GB/T 39380.1-2021 Chlorinated poly (vinyl chloride) (PVC-C) piping system for fire sprinkler installations—Part 1:Pipes
GB/T 39380.1-2021 Chlorinated poly (vinyl chloride) (PVC-C) piping system for fire sprinkler installations—Part 1:Pipes
Basic Information
Scope
This part of GB/T 39380 specifies the terms and definitions, symbols and abbreviations, materials, requirements, test methods, inspection rules and markings, packaging, transportation and storage for chlorinated polyvinyl chloride (PVC-C) pipes used for water spray fire extinguishing, which are made from PVC-C compound materials and extruded into shapes (hereinafter referred to as "pipes").
This part is applicable to pipes with a working pressure of 1.2 MPa and an operating temperature of not less than 4 ℃ and not more than 70 ℃, as specified in GB 50084-2017, and is used in automatic water spray fire extinguishing systems in places with fire hazard levels of light hazard and medium hazard I.
This part, together with other parts of GB/T 39380, is applicable to the plastic piping systems specified in GB 50084-2017.