Marley / Sigma 1000/1200 CoolingTower / Specifications: Base

Specifications

Specification Value

3.0Construction:

16

3.1

The tower shall be capable of with-

■The limiting water quality values indicated are those which are

 

standing water having a pH of 6.5 to

acceptable for the normal materials of construction specified. If

 

8.0; a chloride content (NaCl) up to 750

water of more aggressive quality is anticipated please change

 

ppm; a sulfate content (SO4 ) up to

hardware material requirement to 300 Series stainless steel, as

 

1200 ppm; a sodium bicarbonate con-

indicated below and following.

 

tent (NaHCO3) up to 200 ppm; a cal-

 

 

cium content (CaCO3) up to 800 ppm;

 

 

silica (SiO2) up to 150 ppm; and design

 

 

hot water temperatures up to 120°F.

 

 

The circulating water will contain no

 

 

oil, grease, fatty acids, or organic sol-

 

 

vents.

 

3.2The structural framework of the tower shall be Douglas Fir, designed in accor- dance with CTI STD-114. Nylon shear plates shall be utilized to transmit loads at critical joints, and all fasteners shall be in accordance with CTI STD-119. Basic design criteria shall be 30 psf wind load and 5%g seismic load.

3.3All wood components shall be treated

 

after fabrication with chromated cop-

Cooling Technology Institute standards take into account the hot,

 

per arsenate (CCA) by the full-cell

humid environment in which a cooling tower normally operates.

 

process to a chemical retention of 0.4

This environment can render the limits of customary construction

 

lbs/ft3.

standards inadequate for cooling tower design.

3.4

Structural columns and diagonals shall

The importance of shear plates is discussed at length in

 

be 4"x4". Framing girts may be 2"x4",

Marley Difference, “Item S-3”. Ask your Marley representative for

 

except for those supporting the hot

a copy.

 

water basins and fill. Those girts shall

See notes on page 27 regarding the use and availability of red-

 

be 2"x6" minimum, located both sides

 

of the support columns.

wood.

3.5

Multicell towers shall include treated

Specification of minimum member sizes assures that all offerings

 

Douglas Fir plywood partitions

will conform to an industrial level of construction.

 

between cells in the plenum area.

Multicell towers must have plenum partitions between cells.

 

Partitions shall extend the full height of

 

the tower from the base of fill to the

Otherwise, air will be induced downward through an inoperative

 

underneath side of the fan deck.

fan, bypassing the fill entirely. Without these partitions, part-load

 

 

or off-season operation of the tower would be completely unsat-

3.6

Column lines shall be on no greater

isfactory.

 

than 4'-0" longitudinal centers, and

 

 

the base of all perimeter columns

 

 

shall be firmly anchored to galvanized

 

 

steel base plates. Framing joints shall

 

 

be made with 1/2" diameter or larger

 

 

series 300 stainless steel machine

 

 

bolts, nuts and washers.

 

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SPX Cooling Technologies 1200, 1000 specifications Construction, Indicated below and following, Wood
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1000, 1200 specifications

SPX Cooling Technologies, a prominent player in the cooling solutions market, is known for its cutting-edge designs and innovations in the field of cooling systems. Among its notable offerings are the SPX Cooling Technologies 1200 and 1000 series, which are engineered to meet the demands of various industrial applications.

The SPX Cooling Technologies 1200 series is renowned for its efficiency and robust construction. One of its main features is its modular design, allowing for easy installation and maintenance. This series is equipped with advanced cooling technology, enhancing energy efficiency while minimizing operating costs. The 1200 series utilizes a counterflow design, promoting improved heat exchange and a more direct airflow pattern. This results in higher thermal performance and reduced energy consumption, making it an ideal choice for operations that prioritize sustainability and cost-effectiveness.

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Both series incorporate advanced fan technology, which is designed to maximize airflow while minimizing noise levels. The fans are individually controllable, allowing for precise adjustments to meet specific cooling demands. Furthermore, these cooling towers are designed with user-friendly accessibility, simplifying maintenance and inspection processes, thereby reducing downtime.

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In summary, the SPX Cooling Technologies 1200 and 1000 series represent a substantial advancement in cooling technology, providing efficient, reliable, and modular solutions for various industrial applications. Their design, efficiency, and advanced features position them as leaders in the market, responding to the evolving needs of industries worldwide.
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