API Std 609

Butterfly Valves: Double Flanged, Lug- and Wafer-Type

American Petroleum Institute , 05/01/2004

Publisher: API

File Format: PDF

$72.00$144.00


This standard covers design, materials, face-to-face dimensions; pressure-temperature ratings; and examination, inspection, and test requirements for gray iron, ductile iron, bronze, steel, nickel-base alloy, or special alloy butterfly valves that provide tight shutoff in the closed position and are suitable for flow regulation.

API Std 609 History

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