GB/T 12235-2007
Steel globe valves and lift check valve for petroleum, petrochemical and allied industries (English Version)

Standard No.

GB/T 12235-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 12235-2007

Replace

GB/T 12235-1989

Scope

This standard specifies the structural type, technical requirements, materials, test methods and inspection rules, signs, packaging, storage and transportation of bolted bonnet steel globe valves and lift check valves. This standard applies to nominal pressure PN16～PN420, nominal size DN15～DN400, operating temperature -29℃～538℃, bolted valve cover, end connection form is flange or welding, used in petroleum, petrochemical and related industries steel globe valve and lift check valve. This standard applies to steel globe valves, steel lift check valves, and steel globe check valves with straight-through structure, angle structure and Y-type structure. Steel throttle valves can also be implemented with reference to this standard.

GB/T 12235-2007 Referenced Document

• GB 150 Pressure Vessels (Bound Edition)*， 2024-04-18 Update
• GB/T 12220 Industrial valves.Marking*， 2015-05-15 Update
• GB/T 12221 Metal valves-Face to face,end to end,center to face and center to end dimensions
• GB/T 12222 Connection of multi-turn valve actuators*， 2023-03-17 Update
• GB/T 12224 General requirements for industrial steel valves*， 2015-12-10 Update
• GB/T 12228 General purpose industrial valves.Specification of carbon steel forgings
• GB/T 12229 General Purpose industrial valves.Specification of carbon steel castings
• GB/T 12230 Specifications for stainless steel castings for general valves*， 2023-05-23 Update
• GB/T 152.4 Fasteners--Counterbores for hexagon bolts and nuts
• GB/T 196 General purpose metric screw threads--Basic dimensions
• GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
• GB/T 228 Metallic materials--Tensile testing at ambient temperature
• GB/T 5796.1 Trapezoidal screw threads—Part 1: Profiles*， 2022-03-09 Update
• GB/T 5796.2 Trapezoidal screw threads—Part 2: General plan*， 2022-03-09 Update
• GB/T 5796.3 Trapezoidal screw threads—Part 3: Basic dimensions*， 2022-03-09 Update
• GB/T 5796.4 Trapezoidal screw threads—Part 4: Tolerances*， 2022-03-09 Update
• GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 2:Taper internal and external threads
• GB/T 798 Eye bolts*， 2021-12-31 Update
• GB/T 9113 Integral steel pipe flanges*， 2011-01-14 Update
• GB/T 9124 Specifications for steel pipe flanges*， 2011-10-01 Update
• JB/T 106 Valves marking and paint
• JB/T 6440 Methods of radiographic examination for steel castings valves*， 2008-02-01 Update
• JB/T 8859 Static Pressure Life Test Regulations for Globe Valves*， 2018-04-01 Update
• JB/T 9092 Valve inspection and testing

GB/T 12235-2007 history

• 2007 GB/T 12235-2007 Steel globe valves and lift check valve for petroleum, petrochemical and allied industries
• 1990 GB/T 12235-1989 General purpose industrial valves--Flanged steel globe valves and lift check valves