GB/T 19473.2-2020
ActivePolybutene (PB) piping systems for hot and cold water installations—Part 2: Pipes
冷热水用聚丁烯（PB）管道系统 第2部分：管材
Application Summary AI generated
This standard specifies the dimensions, mechanical properties, and physical performance requirements for polybutene (PB) pipes used in hot and cold water supply systems. It is applied in residential, commercial, and industrial plumbing installations where the pipes must withstand continuous operating temperatures up to 80°C and occasional peak temperatures of 100°C. The standard ensures the pipes meet durability and safety criteria for pressurized water distribution in building services.
Related Standards
GB/T 28494-2012
Globe valves of thermoplastics materials
JB/T 51137-1999
Product quality grading of agricultural rubber dust boot
JB/T 51136-1999
Product quality grading of engine rubber seal
GB/T 19274-2003
Geosynthetics--Plastic geocell
GB/T 19470-2004
Geosythetics--Plastic geonet
GB/T 19472.2-2004
Polyethylene structure-wall piping system for underground usage--Part 2:Polyethylene spirally enwound structure-wall pipes
GB/T 19472.1-2004
Polyethylene structure wall pipeline system for underground usage--Part 1:Polyethylene double wall corrugated pipes
GB/T 19473.3-2004
Polybutylene(PB) piping systems for hot and cold water installations--Part 3:Fittings
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.