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Specifies requirements for the valve seat and body pressure/temperature ratings and the design, including materials, dimensions, operation, performance, testing and marking of lubricated soft seated and lined plug valves having a steel shell. It also specifies anti-static requirements, an optional fire tested design and the option of a steel or cast iron plug. This standard is applicable to short, regular or venturi pattern valves. The range of valves covered by this standard are given in table 1. Pressure/temperature ratings of the linings of lined valves and flange attachment methods, are outside the scope of this standard.
||Industriële afsluiters - Stalen plugafsluiters
||Industrial valves - Steel plug valves