ClearSky™ - Wet-Dry Hybrid Cooling

Overview

The SPX ClearSky Plume Abatement System reduces cooling plumes. Using leading-edge technology, ClearSky provides proven performance and design flexibility as well as lower installation and operating costs.

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Plume from a cooling tower can pose several issues. It may affect visibility and safety as well as public perception.

Plume abatement is the process of removing this visible plume.

ClearSky is a fully integrated system that operates more reliably than coil-based systems. By using a series of PVC heat exchanger modules in the tower plenum, ambient air condenses much of the moisture before it exits the tower thereby reducing the plume.

Why is plume abatement important?

Aesthetics / Neighbor Relations
Even though the cooling tower plume is made up of water vapor, a community may perceive it as unwanted or smoke-related. This may affect the use of nearby land or decrease property values.

Safety
Community concerns regarding visibility can be removed by significantly reducing visible plume.

Retrofit
The ClearSky Plume Abatement System can be added to existing cooling towers in many cases, making plume abatement even more economical.

Permitting
Permitting can be a long and costly process. Eliminating the visible plume may enhance a smooth permitting process.

Water Conservation
Water is increasingly becoming a scarce and valuable commodity. Removing water from the vapor plume can help decrease water-related costs and help the environment.

Benefits include:

Lower Installation Cost—Less piping means less investment than conventional systems
Greater Design Flexibility—Back-to-back design allows for easy installation, including retrofits
Reduced Maintenance Costs—Unique patented design and materials means less need for maintenance
Reduced Auxiliary Power Usage—Driven by reduced pump head, ClearSky towers can effectively reduce auxiliary power usage when compared to coil type hybrid towers
Improved Permitting—Smoother process with reduced likelihood of interruption due to public comment
Lower Cost Versus Dry—The high-performance operation you need with fewer costs
Utilizes less energy and has lower carbon footprint, than dry systems
Improved safety for surrounding transportation and improved neighbor relations

Marley MD - Cooling Towers

Overview

For decades, SPX Cooling Technologies has been a leading producer of counterflow cooling towers for large industrial installations. Today we’re bringing the technology down to size… with the new Marley MD Cooling Tower.

The Marley MD is a packaged counterflow cooling tower. Available as both Factory Assembled or Field Erected, the Marley MD has a smaller footprint while providing comparable capacity as a crossflow cooling tower. This induced-draft counterflow tower is ideal for applications with restricted site conditions and/or low energy requirements.

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CTI Certified
ASHRAE 90.1 compliant
OSHA compliant
Low noise "L" configurations
Single inlet piping
Rugged G600 galvanized steel (G235 in the Americas) is standard with 300 series stainless steel as an optional upgrade to part or the entire tower structure
Triple-pass inlet louvers and drift eliminators that conserve water and improve winter operation
5 year mechanical warranty

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Counterflow towers have different footprints from crossflow towers and offer layout alternatives. Where space is limited or otherwise restricted, the counterflow’s smaller footprint can be a perfect fit. In addition to taking up less site space, counterflow towers may have a lower installed weight. Plus, piping costs can be reduced since a single inlet is usually standard.

The counterflow’s tight louvers prevent sunlight from hitting the collection basin reducing algae growth. Counterflow towers also offer easy access from all tower sides. The wet surface is enclosed for winter operation and protection from environmental elements. It has all of this and a corrosion-resistant spray system, too.

Low Energy Consumption
Induced draft counterflow equipment minimizes the energy consumption by providing a lower fan energy requirement than centrifugal fan counterflow units. And being remarkably energy efficient, it doesn’t waste a single kilowatt.

Superior Water Management
To reduce “splash-out” typically found in competitive counterflow designs, Marley introduces an industry first: a triple-pass inlet louver that conserves water and improves winter operation.

Smaller Footprint
Induced draft counterflow design requires less plan area than crossflow towers. And typically because the tower’s size results in less steel used, its reduced weight requires less support structure.

Long Life Construction
Rugged G600 heavy mill galvanized steel (G235 in the Americas) is standard with 300 series stainless steel as an optional upgrade to part or the entire tower structure. Marley ISO certified plants assure quality factory-assembly.

Low-Noise
The Marley MD comes standard with our low-noise fan, suitable for most noise-sensitive situations.

Unmatched Reliability
Heavy-duty construction, high-performance design, and our five-year mechanical warranty ensure consistent, fully rated cooling over a wide range of flow and temperature requirements.

Ease of maintenance
Marley has worked hard to address the maintenance difficulties long associated with counterflow towers. Our MD tower provides larger access doors and other features that simplify maintenance.

What makes the Marley counterflow tower better?

Triple-pass inlet louvers and drift eliminator for superior splash-out protection and water conservation
SPX’s position as “sole source supplier” for all configurations of cooling towers and fluid coolers
Marley Geareducer option, offering a five-year, no-oil-change interval

Air Movement Package

Eased inlet fan cylinder ensures full area, low turbulent airflow through the cylinder.
High efficiency fan wide-chord design for maximum efficiency at low fan tip speeds.
New Nozzle Design allows for complete coverage without alignment dependency.
Marley PowerBelt™ an industry-leading drive, all aluminum sheaves, easy belt replacement and 100,000-hour bearing life.
TEFC Fan Motor 1.15 service factor, variable torque, and specially insulated for cooling tower duty for extended life.
Removable fan guard welded heavy gauge rods. Hot dip galvanized after fabrication.
The MD air movement package including the structural support the guaranteed against failure for a period of five full years. The motor is warranted separately by the motor manufacturer.

Water Distribution System

Single water inlet and outlet designed to have the right connections for your application.
Pressurized spray distribution system is self-balancing and designed for a range of flows.
Marley NS7 polypropylene nozzles deliver precise distribution of water over the fill area. Grommet style nozzles make replacement easy and are not alignment dependent.
Marley MC thermoformed PVC film fill is assembled in blocks for easy removal and cleaning and is usable as a walking surface.
Industry First Triple Pass Louvers and Eliminators that limit drift losses to no more than .001% of the design flow rate. Less louver “splash-out” than that typically found in competitive counterflow designs.

Structure

Counterflow configuration provides a fully encased fill design inhibiting ice formation.
Steel Construction G600 (G-235 in Americas) heavy mill galvanized steel construction standard. Series 300 stainless steel optional.
Factory assembly ensures hassle-free installation. On site assembly is available.
Easy Access from all four sides of the cooling tower allows entry at any point of the basin.

Quality Parts

High Efficiency Axial Fan Adjustable-pitch fan blades permit the maximum utilization of rated horsepower and optimal tower performance.
Fan Motor TEFC 1.15 service factor, vertical-shaft motor designed to Marley specifications for cooling tower duty. Specially insulated for humid cooling tower service.
SofTork Coupling absorbs excessive shock loads at start-up—forgives minor misalignment between the motor and Geareducer when selected as an option.
Five-Year Mechanical Warranty - Five-year total mechanical equipment warranty including mechanical equipment support, plus our exclusive 5-year maintenance-free System 5 Geareducer.

Popular Options

Mechanical Access Door Platform - steel structure and bar-grating attached to and supported by the tower.
Control Systems - ranges in sophistication from standard fan starters and disconnects to Programmable Logic Controllers that work in conjunction with your building or process system.
Variable Speed Drive - provides the ultimate in temperature control, energy management, sound control and mechanical equipment longevity.
Solid State Water Level Control Package - monitor basin water level with solenoid-valve water makeup. Configurations include makeup along with high and low water level alarm and cutoff and electric basin heater cutoff.
Stainless Steel Collection Basin - all collection basin parts exposed to the circulating water, including structural members projecting into the basin, plus attaching hardware, and all basin options, including sumps, are heavy-gauge series 300 stainless steel. Galvanized steel tower option.
Electric basin heater - a stainless steel electric immersion heater employs a magnetic contactor and solid-state circuit board to help prevent freezing during cold weather.
Sound attenuation - baffles can be installed across the length of the air outlet opening. All baffles are contained within a self-supporting steel box. Splash attenuation is also available.

Air2Air™ - Wet-Dry Hybrid Cooling

Overview

Reduce your cooling tower water consumption up to 30 percent annually with Air2Air™ water recovery technology.

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Air2Air is a fully integrated system that operates more reliably than coil-based systems. By using a series of PVC heat exhanger packs in the tower plenum, ambient air condenses much of the moisture before it exits the tower.

The system can be installed on a single cell, or an entire tower, depending on the required water return rate. It is also available both for existing and new cooling towers.

Challenges

Water scarcity is a problem. Many industries face serious operating constraints from a lack of water resources. These industries lose millions in revenue in lost production and suffer from increasing water costs each year. Many power plants are finding it more difficult to get approval for plant expansions, solely because of a lack of water.

Solutions

SPX scientists and engineers have developed a simple and effective system for recovering much of the water that is evaporated in a standard cooling tower. Recovered water can be returned directly to the tower basin, or even piped away as a pure water stream for boiler make-up or other plant uses.

Use of this system can allow greater plant production, reduce water consumption and treatment cost, and even replace more costly means of generating pure water. By combining the Air2Air technology with a hybrid, split steam system, steam-plant cooling systems can be optimized to provide the most efficient use of available water resources possible.

Save Water and Save Money

With environmental concerns high than ever, SPX’s Air2Air technology can help you accomplish something concrete and significant — and something that benefits everyone.

Consider this: One large cooling tower fan cell equipped with an Air2Air system can save nearly 270 million 8-ounce glasses of water every year — enough to quench the thirst of every adult in the United States. And that’s only one cell, for only one year.

Annual Water Savings — USA

Water Savings In gallons saved per day for a typical 500 MW combined cycle powerplant.

12%	18%	21%	24%	27%	30%
345,000	515,000	600,000	685,000	770,000	865,000

Benefits include:

Simpler hydraulics for simpler operation
Fewer moving parts, requiring less maintenance
No freezing concerns
Visible plume is greatly reduced along with the headaches associated with conventional coil systems and external plume abatement systems
Less need for costly pure water make-up
Less chemical treatment
High-quality condensate available for other uses
Colder water, less power usage, and lower capital costs compared to ACC Dry Cooling

Hybrid Cell-Type Cooling Tower - Wet-Dry Hybrid Cooling

Overview

The hybrid cell-type cooling tower offers efficient cold water temperatures with reduced visible plume and enhanced water conservation.

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SPX Cooling Technologies has extensive experience designing and constructing hybrid cooling towers globally. Efficient cold water temperatures are achieved with reduced visible plume, similar to dry cooling systems.

Principles of Hybrid (Wet/Dry) Cooling
A hybrid cooling tower functions in principle like a wet cooling tower. An additional dry section installed in the upper part of the cooling tower reduces visible plume by heating wet air coming from the rain zone.
Our engineers and thermo-hydraulic specialists are experienced in the design and construction heat exchangers and the wet cooling equipment to ensure reliable continuous functioning of the cooling tower.

Material of Casing and Structure

FRP (Fiberglass Reinforced Polyester)
Concrete
Wood

Sound Attenuation Options

Low noise fans
Droplet impact absorbers
Sound attenuators

Hybrid Cooling Tower Types

Cell-type forced draft
Cell-type induced draft
Circular cooling tower with forced draft fans — advantages include minimized salt emissions for seawater application and favorable space requirements

Marley MC Fluid Cooler - Evaporative Fluid Coolers

Overview

The Marley MC steel forced draft counterflow fluid cooler is the ideal solution for sound- and space-sensitive applications.

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OSHA compliant
Low noise configurations
Rugged G235 galvanized steel (G600 in Europe/Z600 China) is standard with S300 series stainless steel as an optional upgrade to part or the entire tower structure
5 year mechanical warranty

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Low Maintenance
Unlike most forced draft fluid coolers, the Marley MC Fluid Cooler utilizes large access doors for easy entry and exit. In addition this configuration provides easy access to the motors and fans from grade.

Quiet by Design
All Marley MC Fluid Coolers are designed for low sound levels by utilizing centrifugal fans and a fully contained water splash zone. In addition, For those applications where sound is more of a concern than typical, consider air inlet or outlet attenuation for the ultimate in quiet tower operation.

Long Life Construction
Rugged G235 heavy mill galvanized steel (G600 in Europe/Z600 China) is standard with S300 series stainless steel as an optional upgrade to part or the entire tower structure. ISO certified plants assure quality factory-assembly.

Steel Construction

MC Steel Fluid Cooler use heavy-mill galvanized steel or 300 series stainless steel for high-performance under any operating conditions.

High Performance Inside and Out

Low-sound forward curved centrifugal fans overcome the static pressure imposed by external ductwork for quiet indoor operation
Fully-enclosed falling splash zone water area ensures low noise
Air movement system is belt-driven by means of wedge-belts sized for 150 percent of the nominal power
Water distribution system includes PVC lateral subsidiary pipes and low-clog polypropylene nozzles
Low air resistance keeps power consumption to a minimum
Factory-design tested and rated sound attenuators available for air inlet and discharge

What every premium installation demands

Low energy consumption
Fluid cooling equipment minimizes the energy consumption of the entire system because it provides lower operating temperatures — saving money while conserving natural resources.
Low noise
Centrifugal fans, a fully-enclosed falling water area and optional sound attenuation create one of the quietest fluid cooler configurations on the market.
Smaller footprint
Forced-draft counterflow design requires considerably less plan area than crossflow towers.
Ease of maintenance
An extra large entry panel makes the interior of the unit easy to access for service and maintenance. For even greater access, the motor and drive are located outside the plenum area near the grade.

Hybrid Circular Tower - Wet-Dry Hybrid Cooling

Overview

Circular hybrid cooling towers are the ideal solution for cooling of higher water flow rates with reduced visible plume.

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SPX Cooling Technologies has extensive experience designing and constructing circular hybrid cooling towers. Efficient wet cooling cold water temperatures are achieved with reduced visible plume similar to dry cooling systems. The special advantages of a circular cooling tower is the elimination of recirculation effects, the reduction of operating costs plus the combination of hybrid cooling with higher water flow rates.

Principle of Circular Hybrid Cooling Towers
A hybrid cooling tower functions in principle like a wet cooling tower. An additional dry section installed in the upper part of the cooling tower reduces visible plume by heating wet air coming from the rain zone.
The fans for the wet section are arranged around the circumference of the cooling tower shell at ground level. At the dry section the fans are located above the wet level in front of the heat exchangers. The hyperbolic shell achieves a natural draft effect which supports the fans of both sections. Therefore the power consumption is reduced.

Elimination of the Recirculation Effects
For cell-type cooling towers the recirculation effect needs to be considered with regard to the thermal performance as well as to the plume-free operation. As the plume of the circular cooling tower is conducted by the higher shell, the recirculation effect is eliminated.

Reduction of Operating Costs
As the natural draft effect supports the fans the power consumption is reduced. Considerably lower operating costs are achieved especially by the application of two-speed motors.

Salt Water Application
The higher rise of the plume results in a wider dispersion. That means for seawater application the salt particles are also better distributed in the air and the resulting salt concentration on the ground is considerably reduced. SPX has special experience with the component design and the selection of materials suitable for saltwater application.

Space Requirements
The recirculation effect need not to be taken into account for circular cooling towers therefore the space requirements are reduced. Also the circular shape is more favorable in comparison to cooling tower cells located in defined distances.

Natural Draft - Cooling Towers

Overview

SPX Cooling Technologies has more than 100 years experience designing and constructing natural draft cooling towers up to 200m / 655’ in height.

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With more than 275 natural draft concrete hyperbolic cooling towers installed and operating worldwide, the SPX team offers you an outstanding source of design, engineering, manufacturing, and construction expertise.

Each tower is custom designed for flow rates up to 200.000 m/h / 900,000 GPM.

Minimized Operating Costs
Natural draft cooling towers are particularly attractive as a cost-saving solution for larger power stations and industrial plants requiring greater quantities of cooling water. As this type of cooling tower operates without fans, the substantial amount of electric power otherwise required for large cooling tower systems is not needed. The required cooling air is conveyed through the tower by natural draft thus neither fan nor fan power is required.

International Experience of SPX Cooling Technologies
Each natural draft cooling tower is created by a team involving over 200 specialists, including mathematicians, chemical, civil and mechanical engineers, with expertise in soil mechanics, concrete design, hydraulics, heat transfer, materials and machine design.

Treated Exhaust Gas Discharge via Natural Draft Towers
Apart from the advantages of savings in operating costs the natural draft cooling tower can also be applied for the discharge of the treated exhaust gas. That means that neither chimney nor flue gas reheating are required.

Operation in Cold Seasons
Our thermodynamic and hydraulic experts can design cooling towers for reliable operation during cold seasons.

Round Forced Draft - Cooling Towers

Overview

Round forced draft cooling towers are ideal to process larger cooling water flows.

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Balcke Counterflow Cooling Tower

Reduced power consumption, favorable space requirements, minimized recirculation effects, optimum operational behavior for salt water application and the aesthetic look are only some advantages of round cooling towers with forced draft fans.

Principle of Circular Cooling Towers with Forecd Draft Fans
The hyperbolic shell achieves a natural draft effect which supports the fans arranged around the circumference of the cooling tower shell. Therefore the power consumption of the fans is reduced. The cooling tower is separated in different sections, which can be isolated, to ensure operation with lower water quantities. Also maintenance activities can be accomplished in shut-off sections while the rest of the cooling tower is still in operation.

Elimination of the Recirculation Effects
The plume is conducted by the higher shell, therefore the recirculation effect is eliminated. In contrary to the cell-type cooling towers where the risk of the plume falling on the ground and being drawn into the cooling tower must be considered.

Space Requirements
The recirculation effect needs not to be taken into account for circular cooling towers therefore the space requirements are reduced. Also the circular shape is more favorable in comparison to cooling tower rows located in defined distances.

Balcke CP - Cooling Towers

Overview

The Balcke CP fiberglass, induced draft, counterflow cooling tower is the ideal solution for larger space-sensitive applications where the CTF is simply not big enough. Its corrosion resistant fiberglass construction makes it an excellent alternative to stainless steel products. While the choice of high performance, low clog, or splash fill options ensures the product flexibility to meet your exact water quality issues at the maximum efficiency possible. The CP is factory fabricated and designed to be assembled at the job site.

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Europe, Middle East, & Africa

Marley CTF - Cooling Towers

Overview

The Marley CTF is a forced draft, counterflow cooling tower constructed from fiberglass and is an ideal solution for space-sensitive applications where corrosion may be an issue.

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Its fiberglass construction makes an excellent alternative to stainless steel products. The choice of high-performance film fill or non-clogging splash fill ensures flexibility to meet your exact water quality needs.

The Marley CTF is factory fabricated and shipped to the job site as two easily assembled modules.

Marley NC [Fiberglass] - Cooling Towers

Overview

For performance that exceeds specifications on a tight budget, the Marley NC Fiberglass incorporates field-proven, industrial-quality components. You get the unsurpassed integrity, performance, and reliability you’d expect… at a price that may surprise you.

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ASHRAE 90.1 compliant
Stainless steel sub-structure available
Integral louvers standard for zero-water splashout and superior winter operation

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Not Available in the U.S., Canada, or Europe.

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Low Maintenance/Less Downtime
The Marley NC Fiberglass is one of the few tower configurations that can be maintained while online, since cleaning and inspecting the distribution system does not require turning off the pumps.

Long Life Construction
The NC Fiberglass is manufactured and assembled from corrosion-resistant materials. Fiberglass and hot-dip galvanized construction meet the corrosion resistance and equipment life requirements of your most demanding HVAC and light industrial applications while still delivering an outstanding value. Also available with optional stainless steel sub-structure.

CTI Certified
The NC Fiberglass sets the benchmark for thermal performance. Each model is tested and certified by the Cooling Technology Institute for guaranteed thermal performance.

Low Operating Costs
Marley high-efficiency fill and fans, gravity-flow water distribution, and efficient mechanical drive systems work together to offer maximum cooling with minimum power use.

All Season Performance
Performs as specified in the heat of summer — responds well to energy-management techniques in the Spring and Autumn — integral louvers allow virtually ice-free operation in the dead of winter — and offers simple maintenance all year long.

Air Movement Package

Removable fan guard welded heavy gauge rods. Hot dip galvanized after fabrication.
Eased inlet fan cylinder ensures full area, low turbulent airflow through the cylinder.
High efficiency fan aluminum alloy. Adjustable pitch blades.
TEAO Fan Motor specially insulated for cooling tower duty.

Water Distribution System

Gravity flow distribution system easy, nonrestrictive on-line maintenance. Basin covers are standard.
Marley Spiral Target polypropylene nozzles easy maintenance and reduced clogging.
Marley MX thermoformed PVC film fill suspended from structural steel tubing. Integral eliminators and louvers keep circulating water confined to fill, even at low air rates.
Drift Eliminators limit drift losses to no more than .005% of the design flow rate.
Heavy-duty cast iron inlet and outlet flanges.
Sloping collection basin for ease of cleaning.

Structure

Crossflow configuration provides easier and safer on-line maintenance. Interior walkway is standard
FRP and galvanized steel Construction Stainless steel sub-structure available.
Field assembled simplifies transportatiion to job-site
Large access door provides nonconfining, quick visual inspection of cold water basin, internal structure, drift eliminators and mechanical equipment in the plenum area.

Indirect Dry Cooling - Dry Cooling

Overview

An indirect dry natural draft condensing system, in the example above, couples a dry cooling tower with a steam surface condenser. Such a condensing system is particularly suited for large power plants. The concept can also be applied with mechanical draft dry towers over a wide range of plant sizes.

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Turbine exhaust steam condenses in the surface condenser, which utilizes a secondary cooling water loop to reject the heat from the cooling water to the ambient air via the Natural Draft Cooling Towers fin tube bundles. The condensed steam is returned to the boiler circuit.

The cooling bundles are horizontally inclined within the tower shell or vertically arranged at the tower circumference.

The bundles consist of high quality fin tubes such as elliptically shaped with wound steel fins that are hot dip galvanized.

Benefits

No effect on environment.
No water consumption water treatment represents and provides a safety barrier for nuclear power applications.
No visible plume compact simplified design with greater degree of prefabrication in workshop.
No fan power consumption small power consumption in water loop circulation pump.
Negligable noise generation
Outstanding corrosion protection
A separated loop for steam and cooling water avoid contamination or high water treatment requirements

Balcke Crossflow Steel -

Overview

A film-filled crossflow cooling tower of steel construction offering complete flexibility to meet all system design requirements to maximize the total, year-round system energy efficiency.

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Guaranteed thermal performance
Lowest installed cost
Reduced basin cost
Quiet operation
Design flexibility
Factory-trained installation personnel

This highly efficient PVC film-filled crossflow tower utilizes prefabricated and assembled structural frames of hot-dip galvanized or optional stainless steel construction to minimize field labor. The FM approval for use without a fire protection sprinkler system allows for service in a broad range of air conditioning, refrigeration and industrial applications.

Balcke Counterflow Timber -

Overview

Cell-type cooling towers consist of one or several rectangular cells. Being the type most frequently built, cell-type cooling towers are widely used in all industry branches. Timber cooling towers require minimal capital expenditure. They are often used in plants with short depreciation periods.

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The water to be cooled trickles through the cooling fill from top to bottom whilst the air is conveyed through the fill from the bottom (counterflow cooling tower).

Cooling is achieved both through evaporation of a small quantity of the water, latent heat being taken from the cooling water flow, and also through transfer of heat from the water to the cooling air by convection.

The required cooling air is drawn through the cooling tower by fans. We are experienced in the design and construction of both the fans and the mechanical equipment to ensure reliable continuous functioning of a cooling tower.

The cooling fill is the most important part of a cooling tower. As a contact surface it has to ensure optimum heat exchange between water and air. Several types of cooling fills are available for each particular application, such as film packs, trickle grids or blocks, splash grids or splash slats.

Where necessary, reliable operation during cold seasons is ensured by closing down cells or by by-pass operation.

If required, various options of sound attenuation measures can be implemented by installing for example low noise fans, sound attenuation walls, impingement baffles or sound attenuators.

Balcke Crossflow Timber -

Overview

A film or splash filled crossflow cooling tower of redwood or Douglas Fir construction offering complete flexibility to meet all system design requirements to maximize the total, year-round system energy efficiency.

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Guaranteed thermal performance
Lowest installed cost
Reduced basin cost
Quiet operation
Design flexibility
Factory-trained installation personnel

A versatile cooling tower available in a wide selection of frame sizes for service in a broad range of air conditioning, refrigeration and industrial applications. These wood structure, fiberglass cased towers with a multitude of available fills provide the most efficient fill configuration, allowing longer water/air contact with more cooling per square foot.

Balcke Counterflow FRP -

Overview

Cell-type cooling towers consist of one or several rectangular cells. Being the type most frequently built, cell-type cooling towers are widely used in all industry branches.

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Fiberglass (FRP) cooling towers consist of fire-retardant, low-maintenance, corrosion-resistant and anti-fouling FRP structures.

Only small cost difference between timber and fiberglass cooling towers, but high durability of fiberglass cooling towers, almost as concrete cooling towers
Short delivery periods.

The water to be cooled trickles through the cooling fill from top to bottom whilst the air is conveyed through the fill from the bottom (counterflow cooling tower).

The cooling fill is the most important part of a cooling tower. As a contact surface it has to ensure optimaum heat exchange between water and air. Several types of cooling fills are available for each particular application, such as film packs, trickle grids or blocks, splash grids or splash slats.

Where necessary, reliable operation during cold seasons is ensured by closing down cells or by by-pass operation.

If required, various options of sound attenuation measures can be implemented by installing for example low noise fans, sound attenuation walls, impingement baffles or sound attenuators.

MarPak - Biomedia

Overview

MarPak® is a modular PVC corrugated fill media specifically designed for biological treatment applications as part of the Biomedia System.

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MarPak is manufactured from rigid PVC sheets that are UV protected and resistant to rot, fungi, bacteria, as well as acids and alkalines commonly found in wastewater.

MarPak includes a full range of modular PVC media geometries for wastewater treatment including complete secondary treatment, nitrification, denitrification, industrial roughing filters and anaerobic treatment. MarPak modules are manufactured in various sheet thicknesses to meet specific structural requirements.

MarPak MXF and MCR Series media can be used to treat a variety of industrial waste streams. Due to the wide variation in treatability of industrial wastes, trickling filter performance is best determined from data from trickling filter installations treating similar wastewater, general design curves for various categories of industrial wastewater, or pilot studies.

MarPak is available in both the highly efficient 60º cross flow design (MXF Series) for complete secondary treatment and nitrification and the vertical flow design (MCR Series) for treating high strength municipal or industrial wastewater. A mixture of cross flow and vertical flow is often utilized for deep filters in order to take advantage of the higher efficiency cross flow in the upper media layers.

MarPak media is available in specific surface areas from 30 to 66 square feet per cubic foot with a void-to-volume ratio of over 95%.

MarGrid - Biomedia

Overview

A part of the Biomedia System, MarGrid custom grid system is designed specifically as top protection and maintenance surface at the top of the filter media.

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MarGrid is rugged and heavy duty, not like thin-section thermoplastic products. The thick-section fiberglass composite is designed to take extensive abuse and last for years and years. The grating panels can be easily cut and modified to fit almost any plant requirement.

MarDek is a high-strength grating support system designed to accommodate all loads associated with trickling filter operation.

With cross-bar construction, MarDek allows the grating panel to be easily cut and modified to fit almost any tank configuration. MarDek can be supported by MarPier, concrete piers, or concrete blocks.

MarDek is a flame retardant high strength pultruded fiberglass composite utilizing a polyester or vinyl ester resin.

It is typically made with 2” tall T-shape beams, spaced apart to allow wastewater passage. The multi-beam design provides an ideal bearing surface which spreads the load of the media.

Typical MarDek panels are one-foot wide and easy to handle and can be supplied in various lengths to accommodate different tank sizes with minimal waste.

MarPier is a specialized support system for the Biomedia System that can be configured to accommodate various media loads, support heights, and floor slopes. MarPier provides a firm foundation for all common filter configurations. MarPier installs quickly and is designed specifically to be used in conjunction with MarDek to provide a strong, versatile, and reliable support for years of trouble-free operation.

open circuit, cooling, Recold, JT, low profile, forced draft, cooling tower,

The Recold JT is a low profile, forced draft tower that is ideal for height limited installations. Combined with its centrifugal, ‘blower’ style fan, it is the perfect indoor fit where ceilings are low, ducting is required, and noise is unacceptable.

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Available in G235 galvanized steel or series 300 stainless steel

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System
The process water enters the spray tree at top of unit, is sprayed down onto the heat exchanger surface or fill, giving up heat to the counterflowing air before returning to the system from the sump pan. Moist air does not enter the fan assembly, resulting in longer life and fewer service problems. Recold solves this problem with the wetted surface downstream of the fan assembly.

Hydro Spray Nozzles
Hydrospray Nozzles are made of non-ferrous material, sized and spaced for optimum wetting of decking. The even distribution of spray across the decking material is extremely important in evaporative equipment.

Accessibility
Recold Cooling Towers are designed for maximum accessibility for inspection and cleaning. Recold patented access doors on both sides of unit provide ample access to spray nozzles, decking, eliminators, bleeds and sump pan for service and maintenance. Recold access doors provide a complete air and water tight seal without gaskets or fasteners, are “quick opening”.

Blowers
A single slow speed forward curve blower is used for optimum efficiency and minimum noise. Recold standardized on slow speed forward curve fans when tests indicated that propeller fans were too noisy for most commercial air conditioning systems. The lower cost of propeller fans can seldom be justified where noise is undesirable. Each blower is balanced to eliminate unit vibration on Recold’s high precision electronic balancing equipment. Large blowers are made from galvanized steel and subject to careful quality control throughout. Fan shafts are coated to prevent corrosion. The blower drives are selected at 150% of rated B.H.P.

Bearings are self-aligning ball-bearing type, with external lubricating fittings and selected for 200,000 hour average bearing life. Rugged, OSHA approved, belt guard and screen are provided for protection. Motor is mounted on adjustable base.

Drift Eliminators
Eliminators are constructed of PVC assembled in removable, easy to handle sections. A three break design allows three changes in air flow. The use of durable plastic eliminates the corrosion problems associated with galvanized eliminators.

Integrated Assembly
Recold Cooling Towers are completely assembled at the factor and shipped as a unit.

Fill
High efficiency is accomplished by using a PVC fill design that provides the maximum of wetted surface within allowable airside pressure drops. Fill units are conveniently sized for easy removal. Cooling tower fill shall be high efficiency, of self-extinguishing Polyvinyl Chloride (PVC), a minimum of 40 mils thick. It shall have a flame spread rating of 25 per ASTM standard E-84 and be impervious to rot, decay, fungus or biological attack.

Testing
All Recold Cooling Towers are tested under the close supervision of the Quality Control Department before being released for shipment. Fans are run and spray systems operated to assure quiet, balanced operation without leaks, water carryover or vibration. Nozzles are checked for proper distribution.

Capacity Controls
All Recold units are provided with a special damper in the discharge section of the blower scroll. This damper is standard equipment which is locked in place to act as a flow control vane.

If automatic control is required, the damper is unlocked and the damper rod is connected to a damper motor. This work should be factory installed and adjusted under good inspection supervision to assure proper operation.

The damper is controlled by a thermostat in the sump water. The water temperature is maintained above a predetermined level. As the water temperature drops the damper closes - in extreme weather closing completely. The fan is stopped by a limit switch on the controller. As water temperature increases the fan starts and the damper opens.

The Recold MW is an induced draft, axial fan design with a weight saving, corrosion free copper coil all in a low height configuration. This Evaporative Fluid Cooler is a ruggedly built unit constructed to provide many years of durable, dependable service with minimal maintenance requirements. Its low profile design simplifies integration into architectural designs and can be placed indoors. Quality materials and workmanship are a key factor in meeting this objective. All units are completely factory assembled and tested to ensure a quick and easy installation with no startup problems.
Operation

Recold’s MW Fluid Cooler utilizes the efficiency of evaporative cooling, along with the superior corrosion and heat transfer characteristics of copper to efficiently cool process fluid while protecting is from the possibility of contamination. Hot process fluid travels through the inside of the copper coil as cold water is sprayed over the exterior of the coil. Fresh air is pulled up over the exterior of the coil while cold water is sprayed down over the coil in an efficient counterflow arrangement. Heat from the process fluid is transferred to the spray water reducing the temperature of the process liquid. Heat from the spray water is discharged through the atmosphere through evaporation of the spray water.

Copper Heat Exchange Coil
Recold’s copper coils offer the advantage of superior corrosion resistance at an affordable price. During manufacturing, the copper coil surface quickly providing a barrier from the corrosive effects of a warm, wet environment. Other manufacturers use materials that are heavier and more prone to corrosion. Copper coils are 30 to 40 percent lighter than comparable galvanized steel coils.

Combining Recold’s 5/8 inch diameter tube with copper’s high thermal conductivity characteristics provides for far better heat transfer properties than heavy wall galvanized steel. In the event of coil damage, copper can be easily repaired with Recold’s optional external header, while galvanized steel coils are almost impossible to repair.

Coil tube bundle is constructed of 5/8 inch O.D. copper tubing with stainless steel tube sheets. The copper construction offers a noncorrosive coil for extended service life. The high quality virgin copper tube conforms with the highest standards in quality control to guard against pitting and defects.

Superior Construction
The Recold M series uses Stainless Steel Collection Basins as a standard on all models. All collection basin parts exposed to the circulating water including structural members projecting into the basin, plus attaching hardware, and all basin options are heavy-gauge series 300 stainless steel. The balance of the tower structure, casing and mechanical support are fabricated from heavy mill galvanized steel. The unit is designed for a 30 psf wind pressure on any projected area and ships in one piece.

Water Circulation System
Water circulation pump is a close coupled, bronze fitted centrifugal type with mechanical seal. Each pump is factory mounted and piped. Standard motor is open drip-proof suitable for outdoor service. Recirculating water is piped directly over the coil, which rejects heat through evaporative cooling using the fresh air stream and spray water. There is no fill media to foul up or clean.

Water Make-Up
Recold’s water make-up is provided by a solid brass float valve with arm and float ball installed inside the basin. This allows for stable, trouble free operation, easy observation of the water operating level and maintenance of the valve with unit in operation. The make-up valve is positioned above the overflow connection so that backflow preventors are not required.

Fan Section
The axial fan is statically and dynamically balanced and constructed of glass reinforced polypropylene. The fan housing has curved inlet rings for efficient air entry and discharge. Fans are mounted on a solid steel shaft coated to resist corrosion. Heavy duty, pillow block type, self-aligning ball bearings are located at each end of the fan shaft. Extended lube lines are supplied as standard equipment to allow servicing bearings without removal of fan guard screens.

Fan Motors
Fan motors furnished as standard equipment meet new governmental EPACT efficiency standards and are open drip-proof type suitable for outdoor service. Motors have a 1.15 service factor and are mounted on a heavy duty adjustable base located for easy access. As a standard, the unit uses an energy efficient NEMA framed ODP fan motor suitable for outdoor service.

Fan Guard Screens
All moving parts are protected with OSHA approved galvanized steel screens. Each guard is easily removed for access to the fan.

Drift Eliminators
Eliminators are constructed of PVC assemblies in removable, easy to handle sections. Each section has a three break design allowing three changes in air flow and measure approximately 5 inches in depth. The use of durable PVC eliminates the corrosion problems associated with galvanized eliminators.

Popular Options

Discrete Spray System
In the unlikely event that the circulation pump fails, the evaporative condenser capacity plummets to between 10-20% of design capacity. Recold has developed an optional Emergency Discrete Spray System that can automatically switch from the standard spray system to the emergency system, providing approximately 85-90% capacity at design conditions, while the pump is repaired/replaced.

Control Systems
Recold can accommodate control systems ranging in sophistacation from standard fan starts and disconnects to Programmable Logic Controllers that work in conjunction with your building or process system. Control options such as variable speed drives provides the ultimate in temperature control, energy management, sound control and mechanical equipment longevity. Solid State water level controls monitor basin water level with solenoid-valve water makeup. Configurations include makeup along with high and low water level alarm and cutoff and electric basin heater cutoff. Consult your local representative for Recold‘s extensive array of controls.

The Recold JW is a low noise, forced draft, centrifugal fan design with a weight saving, corrosion free copper coil all in a low height configuration. This Evaporative Fluid Cooler is a ruggedly built unit constructed to provide many years of durable, dependable service with minimal maintenance requirements. Its low profile design simplifies integration into architectural designs and can be placed indoors. Quality materials and workmanship are a key factor in meeting this objective. All units are completely factory assembled and tested to ensure a quick and easy installation with no startup problems.

Operation

Recold’s JW Fluid Cooler utilizes the efficiency of evaporative cooling, along with the superior corrosion and heat transfer characteristics of copper to efficiently cool process fluid while protecting is from the possibility of contamination. Hot process fluid travels through the inside of the copper coil as cold water is sprayed over the exterior of the coil.

Fresh air is forced up through the exterior of the coil while cold water is sprayed down over the coil in an efficient counterflow arrangement. Heat from the process fluid is transferred to the spray water reducing the temperature of the process liquid. Heat from the spray water is discharged through the atmosphere through evaporation of the spray water.

Copper Heat Exchange Coil
Recold’s copper coils offer the advantage of superior corrosion resistance at an affordable price. The copper coil surface provides a barrier from the corrosive effects of a warm, wet environment. Other manufacturers use materials that are heavier and more prone to corrosion. Copper coils are 30 to 40 percent lighter than comparable galvanized steel coils.

Combining Recold’s 5/8” diameter tube with copper’s high thermal conductivity characteristics provides for far better heat transfer properties than heavy wall galvanized steel. In the event of coil damage, copper can be easily repaired with Recold’s optional external header, while galvanized steel coils are almost impossible to repair.

Coil tube bundle is constructed of 5/8”O.D. copper tubing with stainless steel tube sheets and copper headers. The copper construction offers a noncorrosive coil for extended service life. The high quality virgin copper tube conforms with the highest standards in quality control to guard against pitting and defects.

Superior Construction
The Recold J series uses Stainless Steel Collection Basins as a standard on all models. All collection basin parts exposed to the circulating water including attaching hardware and all basin options are heavy-gauge series 300 stainless steel. Additionally, all internal structural members are fabricated from 300 series stainless steel. The balance of the tower components, casing and mechanical support are fabricated from heavy mill galvanized steel.

All tower components are mounted on a rigid steel skid allowing unparalleled stability and easy installation. Optional components such as pump stations or tower controls are also mounted on the skid as well, reducing costly field assembly labor hours for these ancillary systems.

Water Make-Up
Recold’s unique water make-up is provided by a solid brass float valve with arm and float ball installed in an external float box. This allows for stable, trouble free operation, easy observation of the water operating level and maintenance of the valve with unit in operation.

Fan Section
The centrifugal fan is forward curved, statically and dynamically balanced and constructed of galvanized steel. The fan housing has curved inlet rings for efficient air entry and discharge into the pan. The forward curved centrifugal fans operate at low RPMs offering quiet operation and long service life.

Fans are mounted on a solid steel shaft coated to resist corrosion. Heavy duty, pillow block type, self-aligning ball bearings are located at each end of the fan shaft. Extended lube lines are supplied as standard equipment to allow servicing bearings without removal of fan guard screens.

Fan Motors
Fan motors furnished as standard equipment are open drip-proof type suitable for outdoor service. Motors have a 1.15 service factor and are mounted on a heavy duty adjustable base located for easy access. As a standard, the unit uses an energy efficient NEMA framed ODP fan motor suitable for outdoor service.

Fan Guard Screens
All moving parts are protected with OSHA approved galvanized steel screens. Each guard is easily removed for access to the fan.

Access Doors
Large rectangular access doors are strategically located to provide access to both upper water distribution system and lower pan basin. The patented doors provide a complete air and water tight seal without the use of gaskets or fasteners.

Popular Options

Dual Fan Motor System
For energy conscious users that also require back-up capability, the Recold J series unit also offers the Recold optional Dual Fan Motor System which combines the standard full capacity motor with a much smaller motor. The lower speed fan motor will provide between 65-70% design capacity at approximately 1/8th the horsepower. This secondary motor can also be used as a back-up in the event that the primary motor ever fails. A necessity when the loss of a unit results in spoiled meat and melted ice cream. Running the low speed fan motor results in significant dB noise reduction perfect for noise sensitive locations.

The Recold MC is an induced draft, axial fan design with a weight saving, corrosion free copper coil all in a low height configuration. This Evaporative Condenser is a ruggedly built unit constructed to provide many years of durable, dependable service with minimal maintenance requirements. Quality materials and workmanship are a key factor in meeting this objective. All units are completely factory assembled and tested to ensure a quick and easy installation with no startup problems. By using the superior characteristics of copper, The MC Evaporative Condenser becomes the most cost-effective solution to commercial freon condensing projects.

Operation

Recold’s MC Evaporative Condenser utilizes the efficiency of evaporative cooling, along with the superior corrosion and heat transfer characteristics of copper to efficiently condense a given refrigerant from a hot gas into a cool liquid. Hot refrigerant vapor travels through the inside of the copper coil as cold water is sprayed over the exterior of the coil. Fresh air is pulled up over the exterior of the coil while cold water is sprayed down over the coil in an efficient countflow arrangement. Heat from the refrigerant is transferred to the spray water causing the refrigerant condenses from a gas to a liquid. Heat from the spray water is discharged through the atmosphere through evaporation of the spray water.

Coil tube bundle is constructed of 5/8 inch O.D. copper tubing with stainless steel tube sheets and copper headers. The copper construction offers a noncorrosive coil for extended service life. The high quality virgin copper tube conforms with the highests standards in quality control to guard against pitting and defects.

Fan Guard Screens
All moving parts are protected with OSHA approved galvanized steel screens. Each guard is easily removed for access to the fan.

Popular Options

Control Systems
Recold can accommodate control systems ranging in sophizistaction from standard fan starts and disconnects to Programmable Logic Controllers that work in conjunction with your building or process system. Control options such as variable speed drives provides the ultimate in temperature control, energy management, sound control and mechanical equipment longevity. Solid State water level controls monitor basin water level with solenoid-valve water makeup. Configurations include makeup along with high and low water level alarm and cutoff and electric basin heater cutoff. Consult your local representative for Recolds extensive array of controls.

The Recold JC is a low noise, forced draft, centrifugal fan design with a weight saving, corrosion free copper coil all in a low height configuration. This Evaporative Condenser is a ruggedly built unit constructed to provide many years of durable, dependable service with minimal maintenance requirements. Its low profile design simplifies integration into architectural designs and can be placed indoors. Quality materials and workmanship are a key factor in meeting this objective. All units are completely factory assembled and tested to ensure a quick and easy installation with no startup problems. By using the superior characteristics of copper, The JC Evaporative Condenser becomes the most cost-effective solution to commercial freon condensing projects.

Operation

Recold’s JC Evaporative Condenser utilizes the efficiency of evaporative cooling, along with the superior corrosion and heat transfer characteristics of copper to efficiently condense a given refrigerant from a hot gas into a cool liquid. Hot refrigerant vapor travels through the inside of the copper coil as cold water is sprayed over the exterior of the coil. Fresh air is forced up through the exterior of the coil while cold water is sprayed down over the coil in an efficient counterflow arrangement. Heat from the refrigerant is transferred to the spray water causing the refrigerant condenses from a gas to a liquid. Heat from the spray water is discharged through the atmosphere through evaporation of the spray water. The unit ships completely factory assembled with optional accessories factory installed unless specified otherwise.

Superior Construction
The Recold J series uses Stainless Steel Collection Basins as a standard on all models. All collection basin parts exposed to the circulating water including attaching hardware and all basin options are heavy-gauge series 300 stainless steel. Additionally, all internal structural members are fabricated from series 300 stainless steel. The balance of the tower components, casing and mechanical support are fabricated from heavy mill galvanized steel.

Fan Guard Screens
All moving parts are protected with OSHA approved galvanized steel screens. Each guard is easily removed for access to the fan.

Popular Options

Dual Fan Motor System
For energy concious users that also require back-up capability, the Recold J series unit also offers the Recold optional Dual Fan Motor System which combines the standard full capacity motor with a much smaller motor. The lower speed fan motor will provide between 65-70% design capacity at approximately 1/8th the horsepower. This secondary motor can also be used as a back-up in the event that the primary motor ever fails. A necessity when the loss of a unit results in spoiled meat and melted ice cream. Running the low speed fan motor results in significant dB noise reduction perfect for noise sensitive locations.

Control Systems
Recold can accommodate control systems ranging in sophistication from standard fan starts and disconnects to Programmable Logic Controllers that work in conjunction with your building or process system. Control options such as variable speed drives provides the ultimate in temperature control, energy management, sound control and mechanical equipment longevity. Solid State water level controls monitor basin water level with solenoid-valve water makeup. Configurations include makeup along with high and low water level alarm and cutoff and electric basin heater cutoff. Consult your local representative for Recolds extensive array of controls.

The Biomedia System is a set of products specially designed to work together for waste water treatment applications. Make your projects and expansions as simple as possible with MarDek, MarGrid, MarPier, and MarPak.

SPX Cooling Technologies’ extensive knowledge and experience in manufacturing Marley cooling tower PVC film-fill carries over into PVC media production for the biomedia market.

Construction Services
As a single-source supplier for cooling tower components, SPX Cooling Technologies extends the same philosophy to wastewater treatment/biomedia installation. Construction is an integral part of the teamwork responsible for function and performance of your biological wastewater treatment. MARPAK biomedia is installed under the supervision of trained and experienced personnel. Our superintendents are trained in the proper procedures for Marley media installation—their many years of experience enables them to spot potential problems during the installation phase, ensuring consistency and quality.

lng, heating tower, vaporization, lng terminal,

A new family of vaporization systems have been developed that use heat from the atmosphere working in parallel with gas combustion units. In these applications, the amount of natural gas required has been reduced by 60-90 percent on an annual basis. SPX Cooling Technologies’ unique, patent-pending heating tower designs offer unique capabilities that allow maximum atmospheric heat transfer while optimizing footprint and electrical power consumption.

Introducing dramatically more efficient re-gasification

Fewer Emissions
Unlike environmentally harmful processes that burn natural gas for energy, Atmospheric Heat Vaporization Systems can reduce carbon dioxide and NOx emissions by as much as 90%.

Less Consumption of Natural Gas
Any major oil company or natural gas marketer operating an LNG terminal can expect to save 20% – 90% of the energy required by traditional methods of heating.

Generate Pure Water
The heat transfer process condenses water from the atmosphere, delivering up to 1 million gallons of water a day to the local community.

Marley MCW, Factory assembled, field erected, steel, forced draft, counterflow, cooling tower,

Factory assembled or field erected, the Marley MCW steel forced draft counterflow cooling tower is an ideal solution for sound- and space-sensitive applications.

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OSHA compliant
Low noise configurations
Rugged G235 galvanized steel (G600 in Europe/Z600 China) is standard with S300 series stainless steel as an optional upgrade to part or the entire tower structure
Easy removal of heat transfer media
5 year mechanical warranty

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Low Maintenance
Unlike most forced draft towers, the Marley MCW utilizes large access doors for easy entry and exit. In addition this configuration provides easy access to the motors and fans from grade.

Quiet by Design
All Marley MCW cooling towers are designed for low sound levels by utilizing centrifugal fans and a fully contained water splash zone. In addition, for those applications where sound is more of a concern than typical, consider air inlet or outlet attenuation for the ultimate in quiet tower operation.

MHF, MH, Fluid, Cooler, Fluid Cooler, Marley, ColdBoost,

Utilizing a low maintenance, hybrid crossflow design, the Marley MH Fluid Cooler is the most efficient fluid cooler in the market. By keeping the process fluid in a clean, closed loop, and combining the function of a cooling tower and heat exchanger into one system, the Marley MH Fluid Cooler provides superior operational and maintenance benefits using CoolBoost™ technology.

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CoolBoost Technology
The Marley MH Fluid Cooler uses mechanical, induced-draft, crossflow technology and fill media located above the coil.

Marley AV Series, single flow, induced draft, crossflow, induced-draft,

Factory assembled or field erected, the Marley AV Series cooling tower is designed to minimize your costs and maximize your cooling performance through quick, easy installation and low maintenance operation. Its single flow, induced draft crossflow design offers you energy savings in a small footprint installation, making it an excellent crossflow replacement for some forced draft counterflow installations.

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Most models ASHRAE 90.1 compliant
OSHA compliant
Rugged G235 galvanized steel is standard with S300 series stainless steel as an optional upgrade to part or the entire tower structure
Integral louvers are also standard for zero-water splashout and superior winter operation
5 year mechanical warranty

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quadraflow, quadra, cooling tower, cooling, factory assembled, field erected, Marley

The QuadraFlow’s unique, compact design is matched by its performance, maintainability, and reliability. This tower makes use of inert, non-corroding construction materials that operate in all seasons and in a wide variety of environments. The QuadraFlow is factory-fabricated and is designed to be assembled at the jobsite.

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CTI Certified
ASHRAE 90.1 compliant
OSHA compliant
Integral louvers are also standard for zero-water splashout and superior winter operation
5 year product warranty

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Long Life Construction
The QuadraFlow is built with corrosion-proof materials for reliability in severe operating environments. It is warranted for five full years, which includes the fill, mechanical equipment, and structure.

Low Operating Costs
Marley’s high-efficiency fill and fans, gravity-flow water distribution, and efficient Geareducer® work together to offer maximum cooling with minimum power use.

All Season Performance
Performs as specified in the heat of summer — responds well to energy-management techniques in the Spring and Autumn — operates virtually ice-free in the dead of Winter — and offers simple maintenance all year long.

Marley NC, Marley, cooling tower, steel, ASHRAE, FM Approved, low sound, cooling, NC,

For more than 40 years the Marley NC has set the standard for high-efficiency and low-maintenance cooling tower versatility. We’ve utilized over 85 years of engineering experience to bring you the highest capacity package cooling tower on the market, the Latest Generation of the NC.

Available as either a factory-assembled or a field-erected installation, the Marley NC features state-of-the-art components in a time-tested tower design that has been proven effective in thousands of installations worldwide.

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FM Approval option on all models
CTI Certified
ASHRAE 90.1 compliant
OSHA compliant
Wind load modification options to meet the strict Florida Building Code
High seismic options for earthquake zones
Low sound fans standard on all models
Single or dual inlet piping
Rugged G-235 galvanized steel is standard with 300 series stainless steel as an optional upgrade to part or the entire tower structure
Integral louvers are also standard for maximum water containment and superior winter operation
5 year mechanical warranty

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Low Maintenance/Less Downtime
The Marley NC is one of the few tower configurations that can be maintained while operating, allowing cleaning and inspecting the distribution system without requiring the pumps to be turned off. Plus, the standard gear drive system can operate for 5 years without an oil change or loss of efficiency. A tremendous advantage over a belt drive system which will require periodic belt replacement and adjustment. All this means less downtime which is especially important for mission or production critical facilities.

Quiet by Design
All Marley NC cooling towers are designed for low sound levels using high efficiency low sound fans and low splash noise heat transfer media Models using the Quiet fan option are configured with the best available combination of low noise premium efficiency motors, quiet drive reduction with matched gear sets, and high solidity premium efficiency fans. In concert, these components provide quiet operation for all but the most strict requirements and specifications. However, for those extreme cases, the Ultra Quiet fan option, sound attenuation or any combination thereof can meet just about any sound specification.

Long Life Construction
Rugged G235 heavy mill galvanized steel is standard with 300 series stainless steel as an optional upgrade to part or the entire tower structure. Marley ISO certified plants assure quality factory-assembly. Plus, the NC stainless steel tower comes with SPX Cooling Technologies’ exclusive 5-year limited warranty.

Low Operating Costs
Marley high-efficiency fill and fans, gravity-flow water distribution, and efficient mechanical drive systems work together to offer maximum cooling with minimum power use.

All Season Performance
Performs as specified in the heat of summer — responds well to energy-management techniques in the spring and fall — integral louvers allow virtually ice-free operation in the dead of winter — and offers simple maintenance all year long.

4800, Marley, Aquatower, cooling, tower, hvac

One of the very first factory assembled cooling towers ever designed and manufactured, evolutionary enhancements over the last 70 years have made this the tower of choice for over 50,000 installations since 1936! The Aquatower has inspired many imitators, but only Marley can offer you the original. It’s compact size means there are no hidden spray systems, tiny nozzles, or enclosed basins. All primary components of the Aquatower are open to view, which means that maintenance does not get any easier.

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ASHRAE 90.1 compliant
OSHA compliant
G235 galvanized steel, stainless steel or fiberglass
Integral louvers are also standard for zero water splashout and superior winter operation
Available with a one year warranty and global availability

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Compact and Powerful
Your needs have dictated constant technological improvement. Thousands of Aquatower users enjoy the benefits of eight major redesigns and dozens of minor improvements in the past 70 years. For example, PVC film-fill enables the Aquatower to reject more heat per unit size. We also put the air inlet louvers and drift eliminators right on the fill sheets. This new arrangement saves you fan horsepower by improving airflow through the tower.

Simplified Maintance
The Aquatower is a maintenance delight! You’ll appreciate the way the Aquatower simplifies maintenance. No hidden spray systems, tiny nozzles, or enclosed basins here! You can easily replace and align V-belts from outside the tower.

All primary components of the Aquatower are open to view. You can easily remove any debris from the upper basin or nozzles while the tower is in operation.

Heavy mill galvanizing on all steel components prevents base metal corrosion. Optional stainless steel and fiberglass models enhance the Aquatower with proven corrosion resistance.

Ready for Your Job
Above all, the Aquatower is readily available. You won’t have to wait around or accept second best when you need a cooling tower. We maintain an impressive stock of completed towers at our own plants. A growing number of local distributors can draw from that stock.

Contact your local distributor or Marley representative. They’ll be glad to help you choose the proper model for your needs. They can also help you with your layout and piping.

Integrated Parts
You’ll enjoy single source responsibility and reliability because we design and manufacture virtually all major cooling tower components.

All Marley components are designed and selected to be a part of an integrated system. For example, the spray pattern from nozzles and the pressure drop through drift eliminators both affect a fill’s heat transfer capacity. So, we include that impact in our thermal analysis.

Drift eliminators must be effective at the air velocities where fill is most efficient. So, we’ve carefully designed both components to work together efficiently.

Our total system approach assures that all the parts work together to provide you the greatest total performance. And because we design specifically for cooling towers, all our components will provide many years of service with minimal maintenance.

Warranty and Service
Every Aquatower cooling tower carries a full one-year warranty. The Aquatower you buy from us will work on your job or we’ll make it right. Your warranty includes thermal performance and every component of the tower. The SPX Cooling Technologies warranty is your assurance of performance — for a full year.

AirFin Heat Exchangers have been designed, manufactured, and supplied worldwide for over 40 years. Our satisfied customers include the process, and power generation industries.

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AirFin Brochure

The AirFin air-cooled heat exchanger is designed and manufactured as a forced draft or induced draft type. Each tube bundle is constructed, tested, and stamped in strict accordance with rigid industry standards.

Hexacool™ is an air cooled condenser (ACC), well suited for use in smaller waste to energy, biomass and small size electrical power plants and industrial co-generation.

For small power and industrial applications, SPX Cooling Technologies, Inc. specifically developed its Hexacool ACC with the goal of offering a standard modular system that would be low in cost, easy to erect and robust in performance.

A Revolution in Air-Cooled Condensers
For small power and industrial applications, a conventional A-Frame model may not be the most cost effective solution.

We designed a standardized, modular air-cooled condenser system that is low in cost, easy to erect, and robust in performance.

acc, Air Cooled Condensers, Air Cooled, Condensers, Dry Cooling, cooling

Air cooled condensers condense exhaust steam from the steam turbine and return condensate to the boiler. They are frequently used in electrical power plants and waste to energy plants of all sizes.

The SPX Air Cooled Condenser features long-term mechanical and thermal integrity, excellent corrosion and freeze resistance, low fan power consumption, reliable operation and low maintenance.

An Air Cooled Condenser (ACC) is made of modules arranged in parallel rows. Each module contains a number of fin tube bundles. An axial flow, forced-draft fan located in each module forces the cooling air across the heat exchange area of the fin tubes.

The typical scope for an ACC installation includes the supporting structure, the steam ducting from the steam turbine interface, auxiliaries such as the condensate and drain pumps, condensate and duct drain tanks, the air evacuation units and related piping works and instrumentation.

The Fin Tube is the core technology of the Air Cooled Condenser.

Single-Row Condensers (SRC®) - an elongated, flat tube with brazed aluminum fins.
Multi-Row Galvanized (MRC) - an oval tube with hot-dip galvanized steel fins.

The most popular style of Air Cooled Condenser is the modularized A-Frame design, used on power plants of all sizes.

Class 600, class 160

Three words - Proven, reliable, performance. A variety of fill options have made this type of cooling tower the most versatile product for heavy industrial use for over sixty years and counting.

The crossflow cooling tower was invented and patented by Marley in the late 1930s. The crossflow design ensures robust, trouble free operation for years. Splash-fill designs are Ideal for poor water quality applications. High performance film-fill designs have integral louvers and drift eliminators.

Flexibility of Design
Available in various cell sizes, fill air travels and fill heights. Within each of thse cell plans, several aspects of the basic design can be varied in order to achieve optimum operating economy. The choices include variations in fill type and density, fan type and size, fan cylinder height and shape, drift eliminator type and density and water distribution method and operating head.

Choices
For each basic cell size, the designer can choose from a significant number of possible component combinations. Several of these may result in economical selections capable of the thermal performance requirements, but only one will optimally satisfy the fan horsepower (kW), pump head, plan area and other evaluation paramenters that may have been imposed by the owner’s specifications.

Splash Fill
Available in PVC , injection-molded polypropylene and rough sawn, preservative-treated wood configurations. Splash bar grids available in FRP and injection molded polypropylene.

Film Fill
Thermoformed PVC fill with integral louvers and drift eliminators. Stainless steel structural tubes resting in stainless steel hangers support the non-glued fill sheets above the cold water basin floor to simplify basin cleaning.

Marley Sigma, Sigma, crossflow, cooling tower, field erected, wood, steel, fiberglass, PVC, temperature

The Sigma provides the easy maintenance benefits of a crossflow tower with the high performance of film fill; setting the standard for high efficiency and low maintenance versatility in a field erected design.

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FM Approved (for steel option)
ASHRAE 90.1 compliant
OSHA compliant
Wind load modifications to meet the strict Florida Building Code
High seismic options for earthquake zones
Materials: Proven Douglas Fir, rugged HDG steel, long life pultruded fiberglass, or top of the line stainless steel
Integral louvers are also standard for minimal water splashout and superior winter operation
5 year mechanical equipment warranty for most applications

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Guaranteed Performance
We’ll stand by our responsibility for reliable thermal performance. We designed it. We rate it. We guarantee it!

Exclusive 5-Year Mechanical Warranty—Most Applications
Your no-cost assurance of trouble-free mechanical operation for 5 years. Isn’t that where a lot of your tower maintenance dollars have gone in the past?

Long Service Life
We’ve carefully chosen all the materials used in Sigma towers for their corrosion resistance and suitability for cooling tower service. Pressure-treated lumber, heavy-galvanized steel, stainless steel, PVC and fiberglass keep your Sigma tower working year after year.

Efficient Field Assembly
Precise factory fabrication assures that every component in your Sigma tower will fit as designed. And Marley offers an unparalleled nationwide construction organization to build your tower quickly and economically.

Low Operating Costs
Marley’s high-efficiency fill and fans, gravity-flow water distribution, and efficient Geareducer™ drive work together to offer maximum cooling with minimum power use.

Low Maintenance Costs
Induced-draft propeller fans on Marley right-angle Geareducer units; TEFC, 1.15 service factor motors; and heavy-duty mechanical equipment supports assure long service life with minimal maintenance.

All-Season Reliability
Sigma towers perform as specified in the heat of summer. They respond well to energy management techniques in the spring and fall. They operate virtually ice-free in the dead of winterwhen operated correctly. And they offer simple maintenance all year long. We guarantee it!

Single Source Parts Availability
Marley designs, manufactures, guarantees, and stocks all major components of the tower except motors. We’ll have the parts if you ever need them.

Marley MS, aesthetics, cooling tower, architectural, custom,

We offer custom enclosures and design-sensitive options to help your cooling tower blend in with its environment.

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Where aesthetics require a unique cooling solution, we can help your project succeed. From a water fountain to a pyramid, we have just about done it all. In some cases, we have even buried cooling towers as much as 30 feet below the ground.

Each tower is custom designed to meet the needs of your individual installation. The best part is that all of the internal workings use quality Marley components to ensure a lifetime of trouble free operation.

Similar in design to the Sigma, these highly-efficient, low-maintenance towers offer a wide choice of solutions for heavy industrial plants and large HVAC applications. Available in wood (Douglas fir or redwood). Tower cells range from 1,500 to 11,660 GPM capacities.

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Guaranteed Performance
Don’t rely on outside agencies with limited enforcement powers. We’ll stand by our responsibility for reliable thermal performance. We designed it. We rate it. We guarantee it!

Long Service Life
We’ve carefully chosen all the materials used in Class 160 towers for their corrosion resistance and suitability for cooling tower service. Pressure-treated lumber, heavy-galvanized steel, stainless steel, PVC and fiberglass keep your Class 160 tower working year after year.

Efficient Field Assembly
Precise factory fabrication assures that every component in your Class 160 tower will fit as designed. And SPX offers an unparalleled nationwide construction organization to build your tower quickly and economically.

Easy Maintenance Access
The Class 160’s crossflow design gives you quick, direct access to the open distribution basins, plenum and mechanical components for regular inspection and service.

Low Operating Costs
Marley high-efficiency fill and fans, gravity-flow water distribution, and efficient Geareducer® drive work together to offer maximum cooling with minimum power use.

Low Maintenance Costs
Induced-draft propeller fans on Marley rightangle Geareducer units; TEFC, 1.15 service factor motors; and heavy-duty mechanical equipment supports assure long service life with minimal maintenance.

All-Season Reliability
Class 160 towers perform as specified in the heat of summer. They respond well to energy management techniques in the spring and fall. They operate virtually ice-free in the dead of winter. And they offer simple maintenance all year long.

Single Source Parts Availability
SPX designs, manufactures, guarantees, and stocks all major components of the tower except motors and some fan sizes. In fact, we stock many of those parts, too. We’ll have the parts if you ever need them.

The ultimate in versatility, efficiency, and quality for large scale HVAC, power and industrial facilities. Each tower is customized to meet your exact specifications for performance, structure, drift, and sound.

Counterflow design allows maximum thermal performance capability per unit of plan area. Minimizes pump head requirements. Available with your choice of heat exchange media to satisfy just about any water quality. In addition, fiberglass, concrete or wood structure give you the flexibility to choose the material best for your application.

Fiberglass Pultrusion Counterflow Cooling Towers
Pultruded structural components used thoughout the tower produce an engineered framework of unsurpassed quality, reliability and safety. Structural pultrusions approximate the strength of steel in tension and compression. Fiberglass is impervious to a broad range of corrosive materials—immune to deterioration.

Concrete Counterflow Cooling Towers
Concrete cooling towers are hurricane and typhoon resistant by virtue of mass, and concrete defies the detrimental effects of heat and ultraviolet light. Concrete is a natural material which is ideally suited for long service life in the harshest cooling tower environment. And concrete will never degrade the quality of cooling water circulating through the tower Available in precast concrete for jobs where schedule and economics favor an ‘assembled” product, or cast-in-place when in situ forming and casting are favored. Cellular or multi-fan configurations available to suit site requirements.

Wood Counterflow Cooling Towers
All wood is pressure treated after fabircation. All fabricated steel components are hot dip galvanized or stainless steel. Extensive use of inert plastics for structural and non structural components. Designed for heavy industrial use with long service life.

Series 10 and Series 15 cooling towers are field constructed, splash fill, crossflow, wood cooling towers. They are designed to serve all normal cooling water systems including “dirty water” systems which would place the long term operation of a film-fill tower in jeopardy. The Series 10 and 15 are designed for easy maintenance while operating, which is critical for dirty water applications. For over 50 years, they have set the standard for long term reliability under the worst conditions.

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OSHA compliant
Wind load modifications to meet the strict Florida Building Code
High seismic options for earthquake zones
Ideal for paper, steel, or sugar mills, or where water temperatures exceed 140°F (60°C)
5 year mechanical equipment warranty for most applications

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Lower operating costs
Adjustable pitch fans with true airfoil blades and 98% efficient Geareducer drive assure maximum utilization of applied fan power. Computer-optimized fill configurations and low-pressure drop drift eliminators afford maximum cooling with minimum power input. Gravity flow water distribution minimizes pump power requirements.

Lower maintenance costs
Heavy-duty aluminum alloy or fiber-reinforced epoxy fans, cast-iron Geareducers, and stainless steel driveshafts require only periodic maintenance. Low-maintenance materials are used throughout the cooling tower. Widely-spaced splash fill helps prevent clogging. The fill area is readily accessible for cleaning.

Five-year drivetrain warranty—Most Applications
What other manufacturer will guarantee your tower’s mechanical equipment for five full years? You’ll save valuable equipment maintenance dollars.

Proven Performance
Marley stands by its responsibility for reliable thermal performance. We designed it. We rate it. We guarantee it!

Single-source parts availability
All tower components except the electric motors are designed, manufactured, and guaranteed by SPX Cooling Technologies. You always know who to call for any parts you need. You’re also assured that all components of the cooling tower will work together, because they were designed to work together.

Flexible Cooling Capacity
Twenty-four tower models with capacities to 6720 GPM per fan cell, provide the flexibility to fit almost any job. Greater capacity is available with multiple fan-cells.

Extremely Low Drift
XCEL® drift eliminators really get rid of the costly nuisance of drift spotting on objects around the tower. The corrosion resistance of PVC assures you that you may never have to replace eliminators for the life of the tower. Herringbone wood drift eliminators are available for certain applications that may encounter high temperatures or a high potential for clogging.

Longer Service Life
Pressure-treated Douglas fir structure and splash-fill bars, FRP fill support grids, PVC drift eliminators, and all other tower components are designed for years of service.

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