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


SP-72-1999, $122.00
Ball Valves with Flanged or Butt-Welding Ends for General Service

This MSS Standard Practice covers flanged or butt-weld end ball valves having in general, but not restricted to, round opening which may be full port, regular port, or reduced port types. Valves covered by this standard are suitable for use in general liquid and gas service.