GB/T 12235-2025 Active National standards

GB/T 12235-2025 Steel globe valves and lift check valve for petroleum,petrochemical and allied industries

GB/T 12235-2025 Steel globe valves and lift check valve for petroleum,petrochemical and allied industries

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
Price: $ 84
Download

Basic Information

Standard Code: GB/T 12235-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nValve
ICS Name: Check valve
Publish Date: 2025-10-31
Implement Date: 2026-05-01
Pages: 28 pages

Scope

This document specifies the structural types, technical requirements, materials, test methods, inspection rules, marking, and packaging, transportation, and storage of steel check valves and lift-type check valves used in the oil, petrochemical, and related industries.
This document applies to the design, production, and inspection of steel check valves and lift-type check valves with nominal sizes of DN15 to DN600 and nominal pressures of PN16 to PN400, as well as those with nominal sizes of NPS1/2 to NPS24 and nominal pressures of Class150 to Class2500, suitable for temperatures ranging from -46°C to 550°C, and with end connections in the form of flanges or welding. The design of throttle valves may be referenced for use.

Development Information

Word Count: 46 Thousand words Pages: 28 pages

Replace the following standards

Referenced Standards

GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 152.4 GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 5796.1-1986 Metric trapezoidal screw threads—Profile GB/T 5796.1-2005 Trapezoidal screw threads—Part 1:Profiles GB/T 5796.1-2022 Trapezoidal screw threads—Part 1:Profiles GB/T 5796.2-1986 Metric trapezoidal screw threads—System of diameter and pitch GB/T 5796.2-2005 Trapezoidal screw threads—Part 2:General plan GB/T 5796.2-2022 Trapezoidal screw threads—Part 2:General plan GB/T 5796.3-1986 Metric trapezoidal screw threads—Basic dimensions GB/T 5796.3-2005 Trapezoidal screw threads—Part 3:Basic dimensions GB/T 5796.3-2022 Trapezoidal screw threads—Part 3:Basic dimensions GB/T 5796.4-1986 Metric trapezoidal screw threads—Tolerances GB/T 5796.4-2005 Trapezoidal screw threads—Part 4:Tolerances GB/T 5796.4-2022 Trapezoidal screw threads—Part 4:Tolerances GB/T 9124-2000 Specification for steel pipe flanges GB/T 9124-2010 Specification for steel pipe flanges GB/T 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 9124.2-2019 Steel pipe flanges—Part 2:Class designated GB/T 12220-1989 General purpose industrial valves—Marking GB/T 12220-2015 Industrial valves—Marking GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions GB/T 12221-2005 Metal valves—Face to face,end to end,center to face and center to end dimensions GB/T 12221-2025 Metal valves—Face to face,end to end,centre to face and centre to end dimensions GB/T 12222-2005 Multi-turn valve actuator attachments GB/T 12222-2023 Multi-turn valve actuator attachments GB/T 12224-1989 General requirements for industrial steel valves GB/T 12224-2005 General requirements for industrial steel valves GB/T 12224-2015 General requirements for industrial steel valves GB/T 26480-2011 Valve inspection and testing GB/T 26481-2011 Valve test for fugitive emissions GB/T 26481-2022 Industrial valves test for fugitive emissions GB/T 40079-2021 Classification system and qualification procedures for fugitive emission type testing of valves HG/T 20592 HG/T 20615 JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint JB/T 6440-2008 The valve is subjected to radiographic inspection of the pressure die-cast steel component JB/T 6440-1992 The valve is subjected to radiographic inspection of the pressure die-cast steel parts JB/T 8859-2017 JB/T 8859-2017 Specification for static pressure life testing of stop valves JB/T 8859-2004 Closing valve static pressure life test procedure NB/T 47013.4-2015 "Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing" NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing SY/T 0599-2018 Natural gas ground facilities technical specifications for metal materials that resist sulfide stress cracking and stress corrosion cracking SY/T 0599-2006 The metal materials for natural gas ground facilities require resistance to sulfide stress cracking and stress corrosion cracking SY/T 0599-1997 Natural gas surface facilities require metal materials that are resistant to sulfide stress cracking

Related Standards

Contact Us