Anhui Provincial Standard of the People's Republic of China
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DB34/T 1977-2013
Scope
This standard specifies the general requirements for horizontal liquid ammonia storage tanks in use, preparation before inspection, inspection content and methods, pressure test, and inspection conclusions. This standard is applicable to the periodic inspection of horizontal liquid ammonia storage tanks (excluding pressure vessels in small refrigeration units).
DB34/T 1977-2013 history
2013DB34/T 1977-2013 Regulations for Periodic Inspection of Horizontal Liquid Ammonia Storage Tanks