Closed Circuit Coolers - Tasman Cooling Towers
Closed Circuit Coolers - Tasman Cooling Towers
Closed Circuit Coolers - Tasman Cooling Towers
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LSWA & LRW Owner Advantages<br />
4<br />
Maintenance Free ZM Spray Nozzle Water Distribution System<br />
EVAPCO’S Zero Maintenance ZM Spray Nozzle remains<br />
clog-free while providing even and constant water distribution.<br />
The ZM nozzle provides reliable, scale-free evaporative cooling<br />
under all operating conditions continuously delivering 6 GPM<br />
to every square foot of coil plan area.<br />
The heavy duty nylon ZM Spray nozzles have a 1-5/16”<br />
diameter opening and a 1-1/2” splash plate clearance enabling<br />
EVAPCO to use 75% fewer nozzles. Furthermore, the fixed<br />
position ZM nozzles are mounted in corrosion-free PVC water<br />
<strong>Cooling</strong> Coil<br />
All Evapco <strong>Closed</strong> <strong>Circuit</strong> <strong>Coolers</strong> utilize EVAPCO’s patented<br />
Thermal-Pak ® coil design which assures greater operating<br />
efficiency. The elliptical tube design allows for closer tube spacing,<br />
resulting in greater surface area per plan area than roundtube<br />
coil designs. In addition, the Thermal-Pak ® design has<br />
lower resistance to airflow and also permits greater water loading,<br />
making the Thermal-Pak ® coil the most effective design<br />
available.<br />
Thermal-Pak ® Coil by EVAPCO<br />
Round Tube Coil by Others<br />
distribution pipes that have threaded end<br />
caps. Together, these elements combine<br />
to provide unequaled coil coverage, scale<br />
prevention and make the industry’s best<br />
performing non-corrosive, maintenancefree<br />
water distribution system.<br />
The coils are manufactured from high quality steel tubing<br />
following the most stringent quality control procedures.<br />
Each circuit is inspected to assure the material quality and<br />
then tested before being assembled into a coil. Finally, the<br />
assembled coil is tested at 400 psig air under water to make<br />
sure it is leak free.<br />
To protect the coil against corrosion, it is placed in a heavy<br />
steel frame and then the entire assembly is dipped in molten<br />
zinc (hot dip galvanized) at a temperature of approximately<br />
800°F.<br />
Note: <strong>Closed</strong> <strong>Circuit</strong> <strong>Coolers</strong> should only be used on sealed,<br />
pressurized systems. Continual aeration of the water in an<br />
open system can cause corrosion inside of the tubes of the<br />
cooler leading to premature failure.<br />
Thermal-Pak ® Coil<br />
U.S. Patent No. 4,755,331<br />
ZM Nozzle
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