GB/T 12777-2008
General specification for metal bellows expansion joints (English Version)
- Standard No.
- GB/T 12777-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2019-12
- Replace By
- GB/T 12777-2019
- Latest
- GB/T 12777-2019
- Replace
- GB/T 12777-1999
- Scope
- This standard specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules, signs and packaging, transportation and storage of metal bellows expansion joints (hereinafter referred to as expansion joints). This standard applies to the design, manufacture and inspection of expansion joints installed in pipelines whose flexible elements are metal bellows.
GB/T 12777-2008 Referenced Document
- GB 150-1998 Steel pressure vessels
- GB 16749-1997 Bellows expansion joints for pressure vessel
- GB 50235-1997 Code for construction and acceptance of industrial metallic piping
- GB/T 14976-2002 Stainless steel seamless tubes for fluid transport
- GB/T 1800.3-1998 Limits and fits--Bases--Part 3: Numerical values tables of standard toleranes and fundamental deviations
- GB/T 1800.4-1999 Limits and fits Tables of standard tolerance grades and limit deviations for holes and shafts
- GB/T 4171-2000 Superior atmospheric corrosion resisting structural steel
- GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip
- GB/T 710-1991 Hot-rolled quality carbon structural steel sheets and strips
- GB/T 8163-1999 Seamless steel tubes for liquid service
- GB/T 912-1989 Hot-rolled plain carbon and low alloy structural steel sheets and strips
- GB/T 9711.1-1997 Petroleum and natural gas industries--Steel pipe for pipelines--Technical delivery conditions--Part 1: Pipes of requirements class A
- GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding
- JB/T 4711-2003 Coating and packing for pressure vessels transport
- JB/T 4730.2-2005 Nondestructive testing of pressure equipments - Part 2: Radiographic testing
- JB/T 4730.5-2005 Nondestructive testing of pressure equipments - Part 5: Penetrant testing
GB/T 12777-2008 history
- 2019 GB/T 12777-2019 General specification for metal bellows expansion joints
- 2008 GB/T 12777-2008 General specification for metal bellows expansion joints
- 1999 GB/T 12777-1999 General specification for metal bellows expansion joints
- 1991 GB/T 12777-1991 General specification of metallic bellows expansion joints
