GB/T 2550-2016 Translated English of Chinese Standard (GBT 2550-2016, GB/T2550-2016, GBT2550-2016): Gas welding equipment - Rubber hoses for welding, cutting and allied processes
https://www.chinesestandard.net, 2017. 4. 2. - 24페이지
This Standard specifies the requirements for rubber hoses (including twin hose) for welding, cutting and allied processes. This Standard specifies the requirements for medium-sized 2 MPa and light (limited to the maximum working pressure of 1 MPa, nominal diameter less than or equal to 6.3 mm) rubber hoses and acetylene hose (maximum working pressure 0.3 MPa).
acetone acetylene hose allied processes autotransformer chrome nickel wire colored and marked corresponding number cutting and allied Dc is 80 dimethylformamide Edition elongation at break equivalently used International Figure C.1 flux gas hose gas marking hose assemblies Hose color hose should meet Hoses and Hose hoses for welding hot particles hot surface inner diameter International Standard laboratory temperature specified Liquefied petroleum gas mass and volume Mass fraction maximum working pressure methane methanol minimum of Dc Nominal diameter outer cladding oxygen particles and hot plastic lining plastics hoses provisions of GB/T reinforcement layer replace ISO Resistance to n-pentane Rubber and plastics rubber hoses rubber lining sample mass signs of burning specified in GB/T standard laboratory temperature Standard to replace strength and elongation tensile strength test liquid Test method test piece tested in accordance thermoplastic thickness is 1.5 trimethyl borate azeotrope trimethyl borate-methanol azeotrope twin hose Type test requirements verification pressure vulcanized