China Industry Standards for Rubber Joints Manufacturing and Testing
Gongyi HuanZhong Pipeline Equipment Co., Ltd. manufactures rubber joints mainly based on the following China standards:
Rubber sheet material test
GB/T 1690 Rubber vulcanized or thermoplastic - Determination of the effect of liquids
GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests - Air-oven method
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
GB/T 1682 Rubber, vulcanized - Determination of low-temperature brittleness (single test piece method)
Rubber joint manufacturing and testing
GB/T 26121 Flexible rubber joint
CJ/T 208 Flexible rubber joint
GB/T 5563 Rubber and plastics hoses and hose assemblies - Hydrostatic testing
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
Assembled flange can be of ANSI, API, ASME, BS, DIN, EN, GB, JIS, NF standards etc.
