GB 28053-2011 Translated English of Chinese Standard. GB 28053-2011: Composite cylinders for breathing apparatushttps://www.chinesestandard.net, 25 apr. 2020 - 30 sidor This standard specifies the types and parameters, technical requirements, test methods and qualification standards, inspection rules and markings, packaging, transportation and storage requirements of fully wrapped carbon-fiber reinforced aluminum liner composite cylinders for breathing apparatus. This standard applies to the design and manufacture of gas cylinders which have a nominal working pressure not greater than 30 MPa, a nominal volume of not greater than 12 L, an ambient temperature of use of -40-degree ~ 60-degree, is refillable of breathing gas. |
Innehåll
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Test methods and qualification criteria | 12 |
Inspection rules | 19 |
Appendix B Informative Calculation method of threads shear stress safety | 25 |
Vanliga ord och fraser
Air tightness test aluminum and aluminum batch inspection batch of gas batch of liners certificate for batch cylinder opening design wall thickness DOT-CFFC elastic expansion REE exceed external thread fatigue test gas cylinder manufacturer gas cylinders GB/T glass fiber heat treatment hydraulic burst test Hydraulic pressure burst hydraulic test pressure hydrostatic test internal thread liner materials manufacturing tolerances material shall meet meet the requirements Megapascal Metallographic test method shall comply method shall meet minimum burst pressure Minor diameter Nominal outer diameter nominal volume nominal working pressure outer surface perform the hydraulic pressure burst test pressure cycle test Product certificate provisions of GB/T Qualification criteria quality certificate rejection elastic expansion remaining burst pressure requirements of GB/T screw threads shear strength specimen tensile strength tensile stress test method test of gas test steps thermocouple thread teeth thread’s shear stress torque of gas type test Valve assembly torque wrought aluminum yield strength zero pressure