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Valve Specifications یا مشخصات والو

American Petroleum Institute API Q1 Specification for quality programsAPI 6D Specification for pipeline valvesAPI 6FA Fire test for valvesAPI 598 Valve inspection and testingAPI 600 Steel gate valves, flanged and buttwelding ends, bolted and pressure seal bonnetsAPI 602 Compact steel gate valves – flanged, threaded, welding, and extended body endsAPI 607 Fire test for soft seated quarter turn valvesAPI 608 Metal ball valves – flanged and butt welding ends American Society of Mechanical Engineers/American National Standards Institute ASME/ANSI B16.34 Valves – flanged, threaded and welding endASME/ANSI B16.5 Pipe flanges and flanged fittingsASME/ANSI B16.10 Face-to-face and end-to-end dimensions of valvesASME/ANSI B16.11 Forged fittings, socket-welding and threadedASME/ANSI B16.25 Buttwelding endsASME/ANSI B16.47 Large diameter steel flangesNote: This specification for flanges larger than 24″ replaces MSS SP-44 and API 605 with the designations of Series A (MSS SP-44) and Series B (API 605).ASME B31.3 Chemical plant and petroleum refinery pipingANSI B31.4 Liquid petroleum transportation piping systemANSI B31.8 Gas transmission and distribution piping system Manufacturers Standardization Society of the Valves and Fittings Industry MSS SP-25 Standard marking system for valves, fittings, flanges and unionsMSS SP-55 Quality standard for steel castings for valves, flanges, and fittings, and other piping components – visual methodMSS SP-70 Cast iron gate valves, flanged and threaded endsMSS SP-71 Cast iron swing check valves, flanged and threaded endsMSS SP-79 Socket-welding reducer insertsMSS SP-80 Bronze gate, globe, angle and check valvesMSS SP-83 Class 3000 steel pipe unions, socket-welding and threadedMSS SP-85 Cast iron globe and angle valves, flanged and threaded ends National Association of Corrosion Engineers NACE MR0175 Standard material requirements for sulfide stress cracking resistant metallic materials for oilfield equipment. British Standards Institute BSI 1414 Steel wedge gate valves (flanged and butt welding ends) for the petroleum, petrochemical, and allied industriesBSI 1868 Steel check valves (flanged and butt welding ends) for the petroleum, petrochemical, and allied industriesBSI 1873 Steel globe and globe stop and check valves (flanged and butt welding ends) for the petroleum, petrochemical, and allied industriesBSI 5352 Steel wedge gate, globe and check valves 50 mm and smaller for the petroleum, petrochemical, and allied industries

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