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Valve & Fitting Standards
Manufacturers Standardization Society of the Valve and Fittings Industry


SP-110-1996, $122.00
Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends

This MSS Standard Practice covers round opening, full, regular, and reduced port metal ball valves. End connections covered by this standard are threaded, socket-welding, solder joint, grooved and flared end in nominal pipe sizes 1/4 through 4 inch. These valves are intended for on-off operation and should be used for modulating or throttling service only when recommended by the manufacturer.

This standard covers ball valves of the following materials:

• Carbon Steel
• Alloy Steels
• Stainless Steels
• Gray Cast Iron
• Ductile Iron
• Malleable Iron
• Copper Alloy