SPECIFICATIONS

COOLING TOWER: Furnish and install (1) Induced Draft Counterflow Cooling Tower. Cooling tower shall be______ft. long x ______ft. wide x ______ ft.

overall height with a maximum operating weight of______lbs. Cooling tower shall consist of_____fan

cells with a maximum of_____total fan horsepower

and a maximum pump head of______ft.

Other contractor(s) will furnish all external piping, valves, pumps, electrical equipment other than cooling tower fan motors, wiring, controls, etc. all in accordance with general overall dimensions to be supplied by cooling tower manufacturer. All internal components of cooling tower as described following will be furnished and installed by the cooling tower manufacturer.

CAPACITY: Cooling tower shall be selected and guaranteed to cool______GPM of water from

______°F to ______°F at ______°F entering wet bulb

temperature.

MECHANICAL EQUIPMENT: Mechanical equipment shall be designed specifically for cooling tower usage and shall be mounted on a rigid unitized HDG steel support to assure permanent drivetrain alignment. Cooling tower manufacturer shall be responsible for equipment warranty.

FANS: Fans shall be of a multi-blade propeller type and blades shall be constructed of solid glass reinforced polyester, cast aluminum alloy or hollow glass reinforced epoxy. Hubs shall be HDG steel cast iron or aluminum plate. Blades shall be individually adjustable for required pitch angles.

DRIVESHAFTS: Driveshaft tubes and flanges shall be manufactured of type 304 stainless steel. Couplings shall be hot dip galvanized cast iron, joined to the driveshaft by flexible neoprene bushings and cadmium plated steel inserts. Connecting hardware shall be 300 stainless steel. Driveshaft assemblies shall be dynamically balanced at the factory at full motor speed.

SPEED REDUCERS: Speed reducers shall be provided for right angle fan drive and shall be designed to AGMA standards for continuous duty operation, capable of reverse operation. Oil fill and drain lines are to be extended outside the fan cylinder to an oil level sight glass.

ELECTRIC MOTORS: Electric motors shall be_______

speed, single winding, variable torque, _____ hp

maximum, TEFC, and specially insulated for cooling tower duty. Speed and electrical characteristics shall be _____ RPM, _____ phase, _____ hertz, _____ volts.

If the load applied to the motor exceeds 90% of the nameplate rating, then the motor shall have a 1.15 service factor and the service factor beyond 1.0 shall not be considered available for load.

FILL: Heat transfer fill media shall be crosscorrugated 20 mil PVC sheets supported by stainless steel tubes which, in turn, are suspended by stainless steel tension hangers from concrete support beam members.

DRIFT ELIMINATORS: Drift eliminators shall be supplied in a 3 pass cellular arrangement of bonded 17 mil PVC sheets. Drift loss shall not exceed ______%

of circulating water.

HOT WATER DISTRIBUTION SYSTEM: Hot water distribution system in each cell shall be supplied with a single interior inlet terminating 1'-0 below bottom of the tower filling. Materials will be of inert PVC and RTR and polypropylene piping supported by the support beams utilized to carry heat transfer fill media.

FAN CYLINDERS: Fan cylinders shall have eased inlet design and be of molded fiber reinforced polyester with a minimum height of 6' 0.

OPTlONS: Factory Mutual Approval. The tower shall include all design and material modifications necessary to meet the fire rating requirements of Factory Mutual. The product proposed shall be listed in the FM Approval Guide, latest edition.

Masonry structure options at owner’s election:

1-Shell structure design shall be by cooling tower manufacturer.

2-Shell structure and cold water basin design shall be by cooling tower manufacturer.

3-Shell structure and cold water basin design shall be by cooling tower manufacturer. Shell structure construction including materials and labor shall be by cooling tower manufacturer.

4-Shell structure and cold water basin design shall be by cooling tower manufacturer. Shell structure and cold water basin construction including materials and labor shall be by cooling tower manufacturer.

WARRANTY: Warranty on all components against defective materials and workmanship will be extended for a period of one (1) year following initial operation but not exceeding eighteen (18) months from date of shipment. Components that may fail within warranty period shall be repaired and/or replaced including freight and installation labor.

Thermal testing of cooling tower will be done within one (1) year following structural completion in accordance with Cooling Technology Institute Acceptance Test Code CTI ATC 105. In the event test results indicate deficiency, manufacturer shall make alterations to overcome indicated deficiency and if such alterations are inadequate manufacturer shall refund a percentage of contract price proportional to tower deficiency.

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SPX Cooling Technologies Marley MS manual Specifications

Marley MS specifications

SPX Cooling Technologies has established a strong reputation in the cooling industry, and one of its standout products is the Marley MS series. Designed for a variety of applications, the Marley MS cooling towers combine advanced technologies with robust construction to deliver efficient and reliable performance.

One of the main features of the Marley MS cooling towers is their modular design, which allows for flexibility in installation. These cooling towers can be configured in various arrangements to suit specific site requirements. This modularity not only optimizes space but also enhances maintenance accessibility, reducing downtime and servicing costs.

The Marley MS series employs a forced draft design, which ensures consistent airflow and efficient heat exchange, essential for maintaining optimal operating temperatures. This design also contributes to a quieter operation, making it suitable for locations where noise reduction is a priority. The innovative air intake design minimizes the chances of recirculation, optimizing cooling efficiency even in adverse conditions.

Energy efficiency is a hallmark of the Marley MS series. The towers utilize advanced fan technology, including high-efficiency, low-noise fans that consume less power while enhancing cooling performance. Additionally, the Marley MS employs a unique fill design that maximizes water film for increased surface area, leading to improved heat transfer and reduced water consumption.

The construction of the Marley MS cooling towers is equally impressive. Made from durable materials such as fiberglass-reinforced plastic (FRP) and non-corrosive metals, these towers are built to withstand harsh environmental conditions. Their robust design also includes UV-resistant properties, ensuring longevity and requiring minimal maintenance.

Another characteristic of the Marley MS series is its adaptability to various applications. Whether for process cooling, HVAC systems, or industrial applications, these cooling towers can easily meet different flow rates and cooling capacities. Moreover, their compatibility with both open and closed-loop systems enhances their versatility.

In conclusion, the SPX Cooling Technologies Marley MS cooling towers stand out as a reliable solution for a wide range of cooling needs. Their modular design, advanced fan technology, energy efficiency, and durable construction make them an ideal choice for those seeking high performance and low operating costs in cooling solutions. With the Marley MS series, users can expect a combination of innovation, reliability, and longevity that sets a benchmark in the cooling industry.