GB/T 12221-2025
ActiveMetal valves—Face to face, end to end, centre to face and centre to end dimensions
金属阀门 结构长度
Application Summary AI generated
GB/T 12221-2025 specifies the face-to-face, end-to-end, centre-to-face, and centre-to-end dimensions for metal valves, ensuring interchangeability and proper fit in piping systems. It is applied in industrial fluid systems, including water, oil, gas, and chemical pipelines, where precise dimensional standards are critical for valve installation and maintenance. This standard is used by manufacturers, engineers, and procurement professionals to guarantee compatibility across different valve types and connection methods.
Related Standards
GB/T 12241-2005
Safety Valves-General Requirements
GB/T 12223-2005
Part-turn valve actuator attachments
GB/T 12243-2005
Spring loaded safety valves
GB/T 19672-2005
Specification of pipeline valves
GB/T 12222-2005
Multi-turn valve actuator attachments
GB/T 12242-2005
Performance Test Code-Pressure Relief Devices
GB/T 12221-2005
Metal valves-Face to face,end to end,center to face and center to end dimensions
GB/T 17213.7-1998
Industrial-process control valves--Part 7:Control valve data sheet
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.