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MSS SP-71-2018
Gray Iron Swing Check Valves, Flanged and Threaded Ends
This Standard Practice covers gray iron swing check valves with flanged and threaded ends for general purpose service. The use of swing check valves in steeply inclined or vertical lines requires special consideration. This Standard Practice also includes, directly or by reference, stipulations on chemical and mechanical properties of materials and dimensions of end connections in common use.
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Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]