API STD 673-2014 PDF

Scope: This standard covers the minimum requirements for centrifugal fans for use in petroleum@ chemical@ and gas industry services. Fan static pressure rise is limited to differential usually not exceeding 130 in. (330 cm) of water equivalent air pressure from a single impeller or each impeller in a two stage fan. This standard does not apply to axial flow@ aerial cooler@ cooling tower@ and ventilation fans and positive displacement blowers. This standard covers equipment for both general purpose and special purpose applications. The purchaser shall determine which classification applies. NOTE Refer to Section 3 for definition of the terms general purpose and special purpose. Additional or overriding requirements applicable to special purpose applications are included at the end of each section (e.g. 6.7.5@ etc.).

API STD 673-2014 history

2014 API STD 673-2014 Centrifugal Fans for Petroleum@ Chemical@ and Gas Industry Services (THIRD EDITION)
2002 API STD 673-2002 Centrifugal Fans for Petroleum@ Chemical and Gas for Industry Services (Second Edition; Errata: 10/2002)