الوصف

API **2 Steel Gate, Globe and Check Valves for Sizes DN **0 and Smaller for the Petroleum and Natural Gas Industries BS ***2 Specification for Steel Wedge Gate, Globe and Check Valves *0 mm and Smaller for the Petroleum, Petrochemical and Allied Industries
ASME B*6.*4 Valves Flanged, Threaded and Welding Ends
ASME B*6.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through
ASME B*6.*5 Buttwelding Ends
ASME B*6.*0 Face to Face and End to End Dimensions of Valves
ASME B1.*0.1 Pipe Threads, General Purpose (inch)
ASME B*6.*1 Forged Steel Fittings, Socket-Welding and Threaded
MSS SP**5 Standard Marking System for Valves, Fittings, Flanges and Unions