CONTROL VALVES ONLINE Independent Authorized Bonomi North America stocking distributor

MSS SP-25

Standard Marking System for Valves, Fittings, Flanges and Unions

MSS SP-55

Quality Standard for Steel Castings for Valves, Flanges, Fittings and Other Piping Components (Visual Method for Evaluation of Surface Irregularities

MSS SP-67

Butterfly Valves

Valve design, manufacturing and testing requirements, include pressure and temperature ratings.

Primary body materials

This standard allows many different body materials, from steel to nickel alloys, to bronze, to cast and ductile iron valves; consult standard for particulars.

MSS SP-68

High Pressure Butterfly Valves with Offset Design

Valve design, manufacturing and testing requirements, including pressure and temperature ratings.

Primary body materials

This standard leans directly on ASME B16.34, consult standard for particulars.

MSS SP-70

Cast Iron Gate Valves, Flanged and Threaded Ends

Valve design, manufacturing and testing requirements, include pressure and temperature ratings.

Primary body materials

ASTM A126 CI B (Cast Iron), ASTM A536 (Ductile Iron), ASTM A395 (Ductile Iron)

MSS SP-71

Gray Iron Swing Check Valves, Flanged and Threaded Ends

Valve design, manufacturing and testing requirements, include pressure and temperature ratings.

Primary body materials

ASTM A126 CI B (Cast Iron)

MSS SP-80

Bronze Gate, Globe, Angle and Check Valves

Valve design, manufacturing and testing requirements, include pressure and temperature ratings.

Primary body materials by pressure class:

ASTM B62 (Pressure Class 125, 150 - ASTM B61 (Pressure Classes 200 and higher)

MSS SP-85

Gray Iron Globe and Angle Valves, Flanged and Threaded Ends

Valve design, manufacturing and testing requirements, include pressure and temperature ratings.

Primary body materials

ASTM A126 CI B (Cast Iron)

MSS SP-110

Ball Valves, Threaded, Socket Welding, Solder Joint, Grooved and Flared Ends

Valve design, manufacturing and testing requirements, include pressure and temperature ratings.

Primary body materials

This standard allows many different body materials, from steel to nickel alloys, to bronze, to cast and ductile iron valves; consult standard for particulars.