GB/T 9121.2-2000
Loose plate steel pipe flanges with weld-on collar with male and female face
2011-10
- Standard No.
- GB/T 9121.2-2000
- Language
- Chinese
- Release Date
- 2000
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 9121-2010
- Lastest
- GB/T 9124.1-2019
- GB/T 9124.2-2019
- Scope
- This standard specifies the type and size of steel pipe flanges with concave and convex flat welded ring plate loose sleeves with nominal pressure PN of 1.6, 2.5 and 4.0 MPa. This standard is applicable to loose sleeve steel pipe flanges with concave and convex flat welded ring plate type with nominal pressure PN1.6~PN4.0MPa.
GB/T 9121.2-2000 history
- 2019 GB/T 9124.1-2019 Steel pipe flanges—Part 1：PN designated
- 2011 GB/T 9121-2010 Loose plate steel pipe flanges with weld-on collar
- 2000 GB/T 9121.2-2000 Loose plate steel pipe flanges with weld-on collar with male and female face