HG 20640-1997 Plastic Equipment

GB 150-1998 Steel pressure vessels GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 10798-2001 Table of universal wall thickness of thermoplastics pipe GB/T 12024-1989 Modified polypropylene laminating plates GB/T 13019-1991 Polypropylene (PP) pipes—Tolerances on outside diameters and wall thicknesses GB/T 13020-1991 Unplasticized polyvinyl chloride (PVC-U) pipes—Tolerances on outside diameters and wall thicknesses GB/T 13527.1-1992 Plasticized polyvinyl chloride tubing for transport of fluids GB/T 4217-2001 Thermoplastics pipes for the conveyance of fluids—Nominal outside diameters and nominal pressures GB/T 4217-2008 Thermoplastics pipes for the conveyance of fluids—Nominal outside diameters and nominal pressures GB/T 4219-1996 Unplasticized polyvinyl chloride (PVC-U) pipes for chemical industry GB/T 4219.1-2008 Unplasticized poly(vinyl chloride)(PVC-U) piping system for industrial applications—Part 1:Pipes GB/T 4219.2-2015 Unplasticizedpoly(vinyl chloride)(PVC-U) piping system for industrial applications—Part 2:Fittings GB/T 4220 GB/T 4454-1996 Rigid polyvinyl chloride laminated plates HGJ 229 HGJ 33 SG 245 SG 246 GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets