This standard covers the minimum requirements for centrifugal fans intended for continuous duty in petroleum, chemical, and gas industry services. Fan pressure rise is limited to differential from a single impeller, usually not exceeding 100 inches of water Equivalent Air Pressure (EAP). Cooling tower, aerial cooler, and ventilation fans; and positive displacement blowers are NOT covered by this standard.
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Centrifugal Fans for Petroleum, Chemical and Gas Industry Services, Second Edition
American Petroleum Institute , 10/01/2002
Pages: 89
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