JB/T 2878.2-1999
X2-type wedge holding-down clip (English Version)
- Standard No.
- JB/T 2878.2-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2021-07
- Replace By
- NB/T 10557-2021
- Latest
- NB/T 10557-2021
- Replace
- JB 2879-1981
- Scope
- This standard specifies the variety specifications, technical requirements, marking and packaging of X2 type wedge cards. This standard is applicable to the connections between tray plates, between downcomer plates, and between tray plates and support beams in plate tower equipment such as float valves, floating tongues, and sieve plates that do not require water filling and leak testing in the chemical and petroleum industries. Wedge card used.
JB/T 2878.2-1999 history
- 2021 NB/T 10557-2021 Technical Specifications for Tray Column Internals
- 1999 JB/T 2878.2-1999 X2-type wedge holding-down clip
- 0000 JB 2879-1981
JB/T 2878.2-1999 X2-type wedge holding-down clip was changed to NB/T 10557-2021 Technical Specifications for Tray Column Internals.
