GB/T 9121.3-2000
Loose plate steel pipe flanges with weld-on collar with tongue and groove face
2011-10
- Standard No.
- GB/T 9121.3-2000
- 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 loose sleeve steel pipe flanges with tongue and groove flat welded ring plate type with nominal pressure PN of 1.6, 2.5 and 4.0 MPa. This standard is applicable to flat-welded ring-plate type loose sleeve steel pipe flanges with tongue and groove surface with nominal pressure PN1.6~PN4.0MPa.
GB/T 9121.3-2000 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 9121.3-2000 Loose plate steel pipe flanges with weld-on collar with tongue and groove face
GB/T 9121.3-2000 Loose plate steel pipe flanges with weld-on collar with tongue and groove face was changed to GB/T 9121-2010 Loose plate steel pipe flanges with weld-on collar.