HG/T 2139-1991
Glass-lined eccentric reducer (English Version)
- Standard No.
- HG/T 2139-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Chemical Industry
- Status
- 2009-07
- Replace By
- HG/T 2139-2009
- Latest
- HG/T 2138-2022
- Scope
- This standard specifies the type, basic parameters, dimensions and technical requirements of glass-lined eccentric reducers. This standard is applicable to glass-lined eccentric reducers with nominal pressure (PN) equal to or less than 1.0 MPa and medium temperature: type A eccentric reducer is -20°C to 200°C, type B and type C are -10°C to 200°C. Tube.
HG/T 2139-1991 history
- 2022 HG/T 2138-2022 Glass lined concentric reducers, eccentric reducers and reducing flanges
- 2015 HG/T 2139-2015 Glass lining eccentric reducer
- 2009 HG/T 2139-2009 Glass lined eccentric pipes
- 1970 HG/T 2139-1991 Glass-lined eccentric reducer
