HG/T 2140-1991
Glass-lined reducing flange (English Version)
- Standard No.
- HG/T 2140-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Chemical Industry
- Status
- 2009-07
- Replace By
- HG/T 2140-2009
- Latest
- HG/T 2138-2022
- Scope
- This standard specifies the type, basic parameters, dimensions and technical requirements of glass-lined reducing flanges. This standard is applicable to glass-lined reducing flanges with a nominal pressure (PN) equal to 1.0 MPa and a medium temperature of -20°C to 200°C.
HG/T 2140-1991 history
- 2022 HG/T 2138-2022 Glass lined concentric reducers, eccentric reducers and reducing flanges
- 2015 HG/T 2140-2015 Glass lining reducing flange
- 2009 HG/T 2140-2009 Glass lined flanged tapers
- 1970 HG/T 2140-1991 Glass-lined reducing flange
