GB/T 21873-2025
ActiveRubber seals—Joint rings for water supply, drainage and sewerage pipelines—Specification for materials
橡胶密封件 给、排水管及污水管道用接口密封圈 材料规范
Application Summary AI generated
This standard specifies material requirements for rubber joint rings used in water supply, drainage, and sewerage pipelines. It is applied in the manufacturing and quality testing of sealing rings for municipal infrastructure, industrial piping, and building drainage systems to ensure leak-proof joints under pressure and environmental exposure. The standard covers physical properties, aging resistance, and compatibility with conveyed fluids for compliance with Chinese national specifications.
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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.