Butterfly Valves Books

Green Butterfly Valve, meet ISO, ANSI, JIS standard, with A type, LT type structure, is the normal control butterfly valves, design in Italy, high quality ...

By Lapar Control Valve

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-based alloy, or special alloy butterfly valves that provide tight shutoff in the closed position. The following two categories of butterfly valves are ...

By American Petroleum Institute (API)