China Industry Standards for Rubber Joints Manufacturing and Testing

 Gongyi Xinli 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.
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