Chongqing Provincial Standard of the People's Republic of China
Latest
DB50/ 372-2010
Scope
This standard specifies the terms and definitions, inspection agencies, inspection cycles, inspection items, basic inspection methods and technical requirements for periodic inspection of fixed high vacuum multi-layer low temperature insulation and vacuum powder low temperature insulation pressure vessels. This standard is applicable to vacuum insulated low-temperature pressure vessels whose inner vessel design pressure is low pressure or medium pressure and whose interlayer is in a vacuum state.
DB50/ 372-2010 history
2010DB50/ 372-2010 Periodic Inspection of Stationary Cryogenic Insulated Pressure Vessels