BS 5351 Ball Valves

BS 5351 Ball Valves: trunnion mounted ball valves or seat-supported ball valves are available in one-piece or split-body construction, with full or reduced bore.

Straightway steel ball valves have specified wall thickness, an antistatic feature, and a fire-tested design.

BS5351: Steel ball valves for the petroleum, petrochemical, and allied industries.

BS 5351 Standard specifies the valve seat and body pressure/temperature ratings and the design, including materials, dimensions, operation,performance, testing, and marking of ball valves.

bs 5351 socket weld ball valve
bs 5351 socket weld ball valve bs 5351 flanged ball valve bs 5351 trunnion ball valve

End Connections:

Flanged End

Butt Weld End

Socket Weld End

Threaded End



Anti-static feature

A feature incorporated in the design of the valve that ensures electrical continuity between the body, ball, and stem of the valve.

Fire-tested design

A design that is capable of complying with API 607/API 6FA.

Anti-blow-out stem

A design that prevents the valve stem from being blown out of the body if the stem seal retainer, such as a gland, is removed while the valve is under pressure. 

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