MSS - Valve Standards

Manufacturers Standardization Society - MSS - of the Valve and Fittings Industry - valve standards

MSS - Manufacturers Standardization Society of the Valve and Fittings Industry - valve standards:

• MSS SP-6
  Standard finishes for contact faces of pipe flanges of valves and fittings
• MSS SP-9
  Spot facing for bronze , iron and steel flanges
• MSS SP-25
  Standard marking system for valves, fittings, flanges and unions
• MSS SP-42
  Class 150 corrosion resistant gate, globe, angle and check valves with flanged and butt weld ends
• MSS SP-54
  Quality standard for steel castings - radiographic inspection method for valves , flange, fittings and other piping components
• MSS SP-55
  Quality standard for steel castings for valves, flanges and fittings and other piping components
• MSS SP-60
  Connecting flange joint between tapping sleeves and tapping valves
• MSS SP-61
  Hydrostatic testing of steel valves
• MSS SP-67
  Butterfly valves
• MSS SP-70
  Cast iron gate valves , flanged and threaded ends
• MSS SP-71
  Cast iron swing check valves, flanged and threaded ends
• MSS SP-72
  Ball valves with flanged or butt - welding ends for general service
• MSS SP-78
  Cast iron plug valves
• MSS SP-80
  Bronze Gate, globe angle and check valves
• MSS SP-82
  Valves pressure testing methods
• MSS SP-84
  Steel valves socket welding and threaded ends
• MSS SP-86
  Metric data in standards for valves, flanges and fittings

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