GB/T 4622.1-2009
Classification for spiral wound gaskets (English Version)
- Standard No.
- GB/T 4622.1-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2022-10
- Replace By
- GB/T 4622.1-2022
- GB/T 4622.2-2022
- Latest
- GB/T 4622.1-2022
- GB/T 4622.2-2022
- Replace
- GB/T 4622.1-2003
- Scope
- This part specifies the type, code, marking and marking of wound gaskets. This section applies to spiral wound gaskets for pipe flanges.
GB/T 4622.1-2009 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