GB/T 21873-2008
AbolishedRubber 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 sealing rings used in joints of water supply, drainage, and sewerage pipelines. It is applied in municipal infrastructure and building construction to ensure leak-proof connections in piping systems, covering material properties like elasticity, compression set, and resistance to fluids. The standard is used by manufacturers and engineers to select and test rubber compounds for pipe joints in potable water, wastewater, and stormwater networks.
Related Standards
GB/T 19249-2003
Reverse osmosis water treatment equipment
GB/T 16895.3-2004
Electrical installations of buildings--Part 5-54:Selection and erection of electrical equipment--Earthing arrangements,protective conductors and protective bonding conductors
GB/T 7725-2004
Room air conditioners
GB/T 16895.22-2004
Electrical instal lations of buildings--Part 5-53:Selection and erection of electrical equipment isolation,switching and control--Section 534:Devices for protection against overvoltages
GB/Z 28597-2012
Lifts and escalators subject to seismic conditions - Compilation report
GB/Z 28598-2012
Study of the use of lifts for evacuation during an emergency
GB/Z 31822-2015
Study report on the safety requirements of public service escalators and moving walks
GB/Z 35850.3-2021
Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks—Part 3: Life cycle guideline for programmable electronic systems related to PESSRAL and PESSRAE
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.