GB/T 20203-2006 Technical specification for irrigation projects with low pressure pipe conveyance

GB/T 20203-2017 Technical specification for irrigation projects with pipe conveyance

SL 255 SL 256-2000 GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2018 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 1040.4-2006 Plastics—Determination of tensile properties—Part 4:Test conditions for isotropic and orthotropic fibre-reinforced plastic composites GB/T 1040.5-2008 Plastics—Determination of tensile properties—Part 5:Test conditions for unidirectional fibre-reinforced plastic composites GB/T 3039-1994 Asbestos-cement pressure pipes and joints for water GB/T 4084-1999 Self-stressing concrete pipe for water GB/T 4084-2018 Self-stressing concrete pipes GB 5084-1992 Standards for irrigation water quality GB 5084-2005 Standards for irrigation water quality GB/T 10002.1-1996 Unplasticized polyvinyl chloride (PVC-U) pipe for water supply GB/T 10002.1-2006 Unplasticized poly(vinyl chloride)(PVC-U)pipes for water supply GB/T 10002.1-2023 Unplasticized poly (vinyl chloride) (PVC-U) pipes for water supply GB/T 11837-2009 Test methods of the concrete compressive strength of concrete pipes for water GB/T 13663-2000 Polyethylene pipes for water supply GB/T 13663.1-2017 Polyethylene(PE)piping systems for water supply—Part 1:General GB/T 13663.2-2005 Polyethylene(PE)pipings systems for water supply—Part 2:Fittings GB/T 13663.2-2018 Polyethylene(PE)piping systems for water supply—Part 2:Pipes GB/T 13663.3-2018 Polyethylene(PE)piping systems for water supply—Part 3:Fittings GB/T 13663.5-2018 Polyethylene (PE) piping systems for water supply—Part 5:Fitness for purpose of the system GB/T 13664-1992 Thin wall unplasticized polyvinyl chloride (PVC-U) pipes for low-pressure conveyance in irrigation GB/T 13664-2006 Unplasticized poly(vinyl chloride)(PVC-U)pipes for low-pressure conveyance in irrigation GB/T 13664-2023 Unplasticized poly(vinyl chloride)(PVC-U) pipes for low-pressure conveyance in irrigation JB/T 8512-2014 JB/T 8512-2014 Coated Plastic Hose for Water Supply JC/T 743-2018 Fiber-reinforced cement pipe laying guidelines QB/T 1916-2004 Thick-wall rigid PVC-U (Unplasticized polyvinyl chloride) double-walled corrugated pipe JB/T 8512-1996 Piping hose with plastic coating GB/T 11837-1989 Test methods of the concrete compressive strength of concrete pipes for water QB/T 1130-1991 QB/T 1916-1993 Hard PVC (PVC-U) Double Wall Corrugated Pipe Material GB 50288-2018 Design standard for irrigation and drainage engineering GB/T 1040.1-2025 Plastics—Determination of tensile properties—Part 1:General principles