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Valve Protects Centrifugal Pumps.

A temperature-actuated valve from Therm-Omega-Tech Inc. that operates without an external power source protects centrifugal pumps from the damaging effects of high temperature water. The ECONO/HAT/RA valve is suited for centrifugal pumps that pump water in high rise buildings, where water temperature can cause rotating parts to expand and ultimately seize. The valve uses a thermal actuator that opens the valve when water temperature rises above the desired limit. The actuator continues to test water until the temperature returns to a safe range, when the valve modulates back to the closed position, reducing waste. The valve resists clogs and corrosion, and features an all brass body and fittings, with a stainless steel spring and plug.
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Title Annotation:from Therm-Omega-Tech Inc.
Publication:Journal of Property Management
Article Type:Brief Article
Geographic Code:1USA
Date:Sep 1, 2001
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