GB/T 34527-2017: Translated English of Chinese Standard. (GBT 34527-2017, GB/T34527-2017, GBT34527-2017): Specification of gas cylinder valve for air rebreather
https://www.chinesestandard.net, 11. apr. 2020 - 22 sider
This Standard specifies the terms and definitions, basic structural style and model, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of gas cylinder valve for air rebreather.
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able to withstand according air inlet air outlet air rebreather air tightness test Appendix applicable basic structural style carried close the valve Code connection type copper alloys copper and copper deformation Determination diameter dimension of valve direction document Durability Equipment Figure fill nitrogen function gas cylinder valve gauge GB/T handwheel implemented increase inlet and outlet inspection items Install the valve leakage least less manufacturer Marking materials mechanical properties meet the requirements metal method Name nitrogen or air nominal working pressure opening and closing operating mechanism packaging permanent pressure cap pressure relief device range references result shall meet rubber seals rules safety pressure relief sampling inspection Schematic diagram screw threads serial number shown specified in 5.3.1 Standard taken taking Technical temperature test box test device Tolerances torque specified type and dimension type test valve body valve inlet valve outlet ventilation Vibration