Schweiß Absperrschieber

welding gate valve Referenced Standards API 600 Bolted Bonnet Steel Gate Valve for Petroleum and Natural Gas Industries BS 1414 Specification for Steel Wedge Gate Valves (Flanged and Butt-welding Ends) for the Petroleum, Petrochemical and Allied Industries ASME B16.34 Valves Flanged, Threaded and Welding Ends ASME B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through 24 ASME B16.47 Series ALarge Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard ASME B16.25 Buttwelding Ends ASME B16.10Face to Face and End to End Dimensions of Valves MSS SP-25 Standard Marking System for Valves, Fittings, Flanges and Unions