GB/T 12238-2008 Active National standards

GB/T 12238-2008 Flanged and wafer resilient seal butterfly valves

GB/T 12238-2008 Flanged and wafer resilient seal butterfly valves

Publish Date: 2008-12-23 Implement Date: 2009-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12238-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Other valves

Publish Date: 2008-12-23

Implement Date: 2009-07-01

Pages: 12 pages

Scope

This standard specifies the structural forms, technical requirements, materials, test methods, inspection rules, marking, painting, packaging, and storage and transportation of flange and clamp-type connection elastic seal butterfly valves.
This standard applies to: flange-connected elastic seal butterfly valves with a nominal pressure not exceeding PN25 and a nominal size of DN50 to DN4000; clamp-connected elastic seal butterfly valves with a nominal pressure not exceeding PN16 and a nominal size of DN50 to DN1200.
The medium is non-corrosive liquids and gases. When fully open, the flow rate of the medium in the pipeline shall not exceed 5 m/s.

Development Information

Word Count: 22 Thousand words Pages: 12 pages

Replace the following standards

GB/T 12238-1989 General purpose industrial valves—Flanged and wafer butterfly valves

Referenced Standards

GB 150-1998 Steel pressure vessels GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials 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 228-2002 Metallic materials—Tensile testing at ambient temperature 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 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 9113-2010 Integral steel pipe flanges GB/T 9113.1-2000 Integral steel pipe flanges with flat face or raised face GB/T 9113.2-2000 Integral steel pipe flanges with male and female face GB/T 9113.3-2000 Integral steel pipe flanges with tongue and groove face GB/T 9113.4-2000 Integral steel pipe flanges with ring-joint face 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 12223-2005 Part-turn valve actuator attachments GB/T 12223-2023 Part-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 12226-1989 General purpose industrial valves—Specification of flake graphite iron castings GB/T 12226-2005 General purpose industrial valves—Specification of flake graphite iron castings GB/T 12226-2025 General purpose industrial valves—Technical specification for gray iron castings GB/T 12227-1989 General purpose industrial valves—Specification of spheroidal graphite iron castings GB/T 12227-2005 General purpose industrial valves—Specification of spheroidal graphite iron castings GB/T 12227-2025 General purpose industrial valves—Technical specification for ductile iron castings GB/T 12228-1989 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2006 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2025 General purpose industrial valves—Technical specification for carbon steel forgings GB/T 12229-1989 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2005 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2025 General purpose industrial valves—Technical specification for carbon steel castings GB/T 13927-1992 Pressure testing for general purpose valves GB/T 13927-2008 Industrial valves—Pressure testing GB/T 13927-2022 Industrial valves—Pressure testing GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 17241.6-1998 Integral cast iron pipe flanges GB/T 17241.6-2008 Integral cast iron flanges GB/T 17241.7-1998 Specifications for cast iron pipe flanges JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint JB/T 5300-2008 Guidelines for selecting materials for industrial valves JB/T 5300-1991 JBT 5300-1991 General valve materials JB/T 5300-2024 Industrial valve material selection guideline JB/T 7928-2014 Industrial Valve Supply Requirements JB/T 7928-1999 JBT 7928-1999 General valve Supply requirements

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