- NK-6500
- NK-6800
- NK-7000／NK-7100
- NK-7300／NK-7300E
- NK-7400
- NK-7500／NK-7600
／NK-7700 - NK-7800
- NK-7900／NK-7900E
- NK-8900
- NK-9000（Single）
- NK-14000
- D-FLEX
- F-FLEX
Bellows Expansion Joint
Bellows model
NK-7900 Compact Bellows Expansion Joint
| Number | Name | Material |
|---|---|---|
| 1 | Bellows | SUS304,SUS316,SUS316L |
| 2 | Flange | SS400,SUS304,SUS316,SUS316L |
Features
Shortlead time, and high Vibration-proof
The touching sphere of the Flange is flat and has high sealing ability,
which enables to apply this model to the plumbings with negative pressure.
Click here for Specifications.
NK-7900E
Features
NK-7900E adopts thinner bellows than that of NK-7900, low spring constants,
excellent in elasticity.
The material of its bellows is SUS316L. 。
