HG 20630-1997
Metal-clad gaskets for steel pipe flanges (American system) (English Version)
- Standard No.
- HG 20630-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- Professional Standard - Chemical Industry
- Status
- 2009-07
- Replace By
- HG/T 20630-2009
- Latest
- HG/T 20630-2009
- Scope
- This standard specifies the type, size and technical requirements for metal-clad gaskets for steel pipe flanges (American System). This standard is applicable to metal-coated gaskets for raised-face steel pipe flanges with nominal pressure PN of 5.0MPa (Class 300) ~ 15.0MPa ~ Class 900) specified in HG 20615.
HG 20630-1997 history
- 2009 HG/T 20630-2009 Metal jacketed gaskets for use with steel pipe flanges(Class designated)
- 1997 HG 20630-1997 Metal-clad gaskets for steel pipe flanges (American system)
HG 20630-1997 Metal-clad gaskets for steel pipe flanges (American system) was changed to HG/T 20630-2009 Metal jacketed gaskets for use with steel pipe flanges(Class designated).
