GB/T 4622.1-2003
Specification and symbol of spiral wound gaskets
2010-09
- Standard No.
- GB/T 4622.1-2003
- Language
- Chinese
- Release Date
- 2003
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 4622.1-2009
- Lastest
- GB/T 4622.1-2022
- GB/T 4622.2-2022
- Scope
- This part specifies the type, code and marking of wound gaskets. This standard applies to spiral wound gaskets for pipe flanges and pressure vessel flanges.
GB/T 4622.1-2003 history
- 2022 GB/T 4622.1-2022 Spiral wound gaskets for pipe flanges—Part 1: PN designated
- 2009 GB/T 4622.1-2009 Classification for spiral wound gaskets
- 2003 GB/T 4622.1-2003 Specification and symbol of spiral wound gaskets