GB/T 7155.1-1987
Abolished
T/WJGY 004-2022
Active
Group standards
T/WJGY 004-2022 Polypropylene composite insulation pipe
T/WJGY 004-2022 Polypropylene composite insulation pipe
Price:
$ 20.00
Basic Information
Standard Code:
T/WJGY 004-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Plastic pipe
Publish Date:
2022-07-04
Implement Date:
2022-07-04
Scope
Scope: This document specifies the definition, classification, and code of polypropylene composite insulation pipes, as well as their structure, requirements, test methods, inspection rules, marking, packaging, transportation, and storage. This document applies to polypropylene composite insulation pipes made from high-density polyethylene outer sheath (hereinafter referred to as the outer sheath), polyethylene foam plastic insulation layer (hereinafter referred to as the insulation layer), and polypropylene working pipes (hereinafter referred to as the working pipes). This document does not apply to pipes used in fire extinguishing systems and systems that do not use water as a medium. Main technical content: appearance, specification and size, hydrostatic pressure strength, physical and chemical properties, hygienic performance, thermal conductivity coefficient.
Development Information
Related Standards
GB/T 7155.2-1987
Abolished
GB/T 7155.2-1987 Determination of density of thermoplastic pipes and fittings—Part 2:Determination of density of polypropylene pipes and fittings
GB/T 13018-1991
Abolished
GB/T 13018-1991 Polyethylene (PE) pipes—Tolerances on outside diameters and wall thicknesses
GB/T 13019-1991
Abolished
GB/T 13019-1991 Polypropylene (PP) pipes—Tolerances on outside diameters and wall thicknesses
GB/T 13020-1991
Abolished
GB/T 13020-1991 Unplasticized polyvinyl chloride (PVC-U) pipes—Tolerances on outside diameters and wall thicknesses
GB/T 13526-1992
Replaced