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.
Original price was: $144.00.$72.00Current price is: $72.00.
Butterfly Valves: Lug- and Wafer-Type
American Petroleum Institute , 05/01/1997
Pages: 15
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