Marley / Sigma 1000/1200 CoolingTower / Specifications: Base
Specifications | Specification Value |
6.0Fill, Louvers and Drift Eliminators:
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6.1 | Fill shall be | ■ Louvers integral with the fill |
| thermoformed PVC, with louvers | keep the flowing water within |
| formed as part of each fill sheet. Fill | the confines of the fill. The sep- |
| shall be suspended from stainless | arate external louvers used by |
| steel structural tubing supported from | others permit water to escape |
| the upper tower structure, and shall | the fill and form ice or produce |
| be elevated above the floor of the cold | an unsightly situation adjacent |
| water basin to facilitate cleaning. Air | to the tower. If you plan to use |
| inlet faces of the tower shall be free of | your tower in the wintertime, |
| water | particularly for free cooling, |
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| integral louvers will put your |
6.2 | Drift eliminators shall be PVC, triple- | operating concerns to rest. |
| pass, and shall limit drift losses to no | Vertical |
| more than 0.010% of the design GPM | |
| flow rate. | well as misdirected cellular types, cause |
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| much of the fan power to be wasted in turn- |
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| ing the horizontal flow of air vertical for its exit through the fan |
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| cylinder. This power is, of course, not available for contribution to |
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| thermal performance. |
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| Drift rate varies with design water loading and air rate, as well |
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| as drift eliminator depth and number of directional changes. The |
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| indicated rate of 0.010% or less is easily achievable without pre- |
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| mium cost. If a lower rate is required, please discuss with your |
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| Marley sales representative. |
Louver 
Section
Fill Section
