GB/T 18442.4-2011: Translated English of Chinese Standard. (GBT 18442.4-2011, GB/T18442.4-2011, GBT18442.4-2011): Static Vacuum Insulated Cryogenic Pressure Vessel - Part 4: Fabrication
https://www.chinesestandard.net, 08.12.2018 - 29 Seiten
This part specifies the basic fabrication requirements of Static Vacuum Insulated Cryogenic Pressure Vessel. The application scope in this part is the same as that in part 1 of this standard.
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Terms and Definitions
Cold and Hot Forming
Product Weld Test Plate
Cleaning and Assembling
Helium Mass Spectrum Leak Detection
Coating and Appearance Quality
Mark and Sign
arc transition austenitic base material butt joint butt misalignment butt weld carried out according Category A joint Category B welded Cryogenic Pressure Vessel cylinder cylindrical section design drawing emergency shutoff device equal to 250mm fabrication organization Figure flange flight diffraction technique following requirements GB/T greater heat conductivity coefficient helium mass spectrometer helium mass spectrum impulse reflection method inner vessel installed Insulated Cryogenic Pressure internal surface joints for connection lower than Grade mass spectrum leak meet the requirements needle valve non-destructive testing outer shell penetrant testing photoresist pipeline Pressure Equipment pressure test pressure units product weld test qualification grade radiographic testing radius reinforcement panel repair welding requirements of NB/T safety accessories spectrum leak detection stainless steel Static Vacuum Insulated steel plates template Testing JB/T testing of impulse Testing of Pressure tie bar tightness test ultrasonic testing Vacuum Insulated Cryogenic vacuum interspace weld test plate welded joints include welder Welding process qualification