GB/T 12237-2007
AbolishedSteel ball valves for petroleum, petrochemical and allied industries
石油、石化及相关工业用的钢制球阀
🔗 Related Standards / 同类标准
GB/T 2877-1981
Hydraulic fluid power--Two-port slip-incartridge valves cavities--Mounting dimensions
GB/T 8375-1987
Classification and type nomenclature for taps
GB/T 12249-1989
Automatic steam traps—Marking
GB/T 12248-1989
Automatic steam traps—Definition of technical terms
GB/T 12247-1989
Automatic steam traps--Classification
GB/T 12223-1989
Part-turn valve actuator attachment
GB/T 12220-1989
General purpose industrial valves--Marking
GB/T 12250-1989
Automatic steam traps—Face-to-face dimensions