GB/T 12221-2005
AbolishedMetal valves-Face to face,end to end,center to face and center to end dimensions
金属阀门 结构长度
Application Summary AI generated
GB/T 12221-2005 specifies the face-to-face, end-to-end, center-to-face, and center-to-end dimensions for metal valves. It is applied in the design, manufacturing, and procurement of flanged, threaded, and welded-end valves used in industrial fluid systems, ensuring interchangeability and proper fit within piping assemblies. This standard is critical for engineers and procurement professionals to guarantee consistent valve installation across water, oil, gas, and chemical processing pipelines.
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GB/T 15188.1-1994
Face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves--Buttwelding valves
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.