GB/T 34530.1-2017: Translated English of Chinese Standard. (GBT 34530.1-2017, GB/T34530.1-2017, GBT34530.1-2017): Valve for cryogenic insulated cylinder - Part 1: Pressure regulating valve
https://www.chinesestandard.net, 11 maj 2019 - 23 sidor
This part of GB/T 34530 specifies the terms and definitions, basic types, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, product certificate, batch inspection quality certificate of pressure regulating valves for cryogenic insulated cylinders.
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air inlet airtightness at ambient airtightness at high-temperature airtightness at low-temperature airtightness of combination Batch inspection clean nitrogen combination pressure regulator control valve V-2 cryogenic insulated cylinder diagram of test dry and clean fill in dry Flow meter gas cylinders gas phase valve GB/T grade-0.4 pressure gauge high-and-low-temperature box immerse the valve inspection items install the valve liquefied natural gas liquid nitrogen cylinder Meanwhile immerse meet the requirements nitrogen or air nominal working pressure opening performance performance of combination performance of pressure phase space pressure build regulator pressure economizer regulator pressure regulating performance pressure regulating range Pressure regulating valve Product certificate regulator and pressure requirements of 5.3.4 results shall comply results shall meet room temperature Schematic diagram set pressure shown in Figure Shut-off valve test device test method Test of airtightness Test of opening Test of pressure Test of resistance test of volume Tested valve type test valve material