SPX Cooling Technologies marley sigma wood coolingtower 1200 用户手册

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 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!

 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?

 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.

 Precise factory fabrication 

assures that every component in your Sigma tower will 
fit as designed. And SPX Cooling Technologies offers 
an unparalleled nationwide construction organization to 
build your tower quickly and economically.

 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.

 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.

 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 winter. 
And they offer simple maintenance all year long. We 
guarantee it!

 SPX designs, 

manufactures, guarantees, and stocks all major 
components of the Sigma cooling tower except 
motors. We’ll have the parts if you ever need them.