GB/T 9121.1-2000
Loose plate steel pipe flanges with weld-on collar with raised face
2011-10
- Standard No.
- GB/T 9121.1-2000
- 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 types and dimensions of raised face flat welded ring plate loose sleeve steel pipe flanges with nominal pressure PN of 0.6, 1.0, 1.6, 2.5 and 4.0 MPa. This standard is applicable to raised face flat welded ring plate loose sleeve steel pipe flanges with nominal pressure PN0.6~PN4.0MPa.
GB/T 9121.1-2000 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 9121.1-2000 Loose plate steel pipe flanges with weld-on collar with raised face
GB/T 9121.1-2000 Loose plate steel pipe flanges with weld-on collar with raised face was changed to GB/T 9121-2010 Loose plate steel pipe flanges with weld-on collar.