GB/T 12235-2007: Steel globe valves and lift check valve for petroleum, petrochemical and allied industries [including MODIFICATION 1]

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Scope

This Standard specifies the structural types, technical requirements, materials, test methods
and inspection rules, marking, packaging, storage and transportation of steel globe valves and
lift check valves with bolted bonnets.
This standard is applicable to the steel globe valves and lift check valves with bolted bonnets
and flanged or welded ends, with a nominal pressure of PN 16~PN 420, nominal dimension
of DN 15~DN 400 and service temperature of -29℃~538℃, for petroleum, petrochemical
and allied industries.
This standard is applicable to the straight pattern, angle or Y pattern globe valves, steel lift
check valves and steel globe stop valves.
Steel throttle valves may refer to this standard.

Basic Data

Standard ID	GB/T 12235-2007 (GB/T12235-2007)
Description (Translated English)	Steel globe valves and lift check valve for petroleum, petrochemical and allied industries [including MODIFICATION 1]
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J16
Classification of International Standard	23.060.50
Word Count Estimation	22,297
Date of Issue	2007-04-18
Date of Implementation	2007-11-01
Older Standard (superseded by this standard)	GB/T 12235-1989
Quoted Standard	GB 150; GB/T 152.4; GB/T 196; GB/T 197; GB/T 228; GB/T 798; GB/T 5796.1; GB/T 5796.2; GB/T 5796.3; GB/T 5796.4; GB/T 7306.2; GB/T 9124; GB/T 12220; GB/T 12221; GB/T 12222; GB/T 12224; GB/T 12228; GB/T 12229; GB/T 12230; JB/T 106; JB/T 6440; JB/T 8859; JB/T 9092; GB/T 9113.1; GB/T 9113.2; GB/T 9113.3; GB/T 9113.4; GB/T 9113.5; GB/T 9113.6; GB/T 9113.7; GB/T 9113.8; GB/T 9113.9; GB/T 9113.10; GB/T 9113.11; GB/T 9113.12; GB/T 9113.13; GB/T 9113.14; GB/T 9113.15; GB/T 9113.16; GB/T 9113.17; GB/T 9113.18; GB/T 9113.19; GB/T 9113.20; GB/T 9113.21; GB/T 9113.22; GB/T 9113.23; GB/T 9113.24; GB/T 9113.25; GB/T 9113.26
Regulation (derived from)	National Standard Announcement 2007 No.4 (Total No.104)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the Bolted bonnet steel globe valves and lift check structural type, technical requirements, materials, test methods and inspection rules, signs, packaging and storage and so on. This standard applies to nominal pressure PN16 ~ PN420, nominal sizes DN15 ~ DN400, Temperature -29��C ~ 538��C, bolted bonnet, end connection flange or welded form for petroleum, petrochemical and allied industries the steel globe valves and lift check valves, this standard applies to straight-through structure, angular form and structure of the Y-shaped structure steel globe valves, steel lift check valves, steel globe valve, steel throttle can also be performed with reference to this standard.