Standard No.:	GB/T 12237-2007
Chinese Name:	石油、石化及相关工业用的钢制球阀
English Name:	Stell ball valves for petroleum petrochemical and allied industries
Professional Classification:	J16 Valve
Professional Classification:	GB National Standard
ICS Classification:	23.060.10 Ball valve
Issued by:
Issued on:	2007-04-18
Implemented on:	2007-11-01
Status:	VALID
Replace:	GB/T12237-1989 General purpose industrial valves-Flanged and butt-weld end steel ball valves
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	240 (USD)
Delivery:	via email in 1-3 business day

This Standard specifies the structure types, technical requirements, materials, test methods and inspection rules, marking, packaging, storage and transportation for the steel ball valves for petroleum, petrochemical and allied industries.
This Standard applies for the steel valves with nominal pressure PNl6~PNl00, nominal dimension DN15~DN500, and end connection in the form of flanges and welding; and for the steel valves with nominal PNl6~PNl40, nominal dimension DN8~DN50, and end connection in the form of thread and welding.