NORMAS MSS


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.