- 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-7000 Control Ring type Bellows Expansion Joint
| Number | Name | Material |
|---|---|---|
| 1 | Bellows | SS400,S25C,SUS304,316,316L |
| 2 | End Pipe | SGP,STPG370,SUS304,316,316L |
| 3 | Flange | SS400,S25C,SUS304,316,316L |
| 4 | Guide Flange | SS400,SUS304 |
| 5 | Internal Cylinder | SUS304,SUS316,SUS316L |
| 6 | Strengthening Rib |
SS400,SUS304 |
| 7 | Control Ring | FC200,SS400,SUS304 |
| 8 | Tie Rod Bolt | SS400,SUS304 |
| 9 | Stopper | SGP,SUS304 |
| 10 | Set Bolt | SS400 |
| 11 | Intermediate Ring | SS400,SUS304 |
Features
Our NK-7000 is composed of bellows expansion joint equipped with control ring fixed at the bottom
of the bellows. The guide flange and guide rod enrich its strength, so that each peak of the bellows
work in exactly the same proportion against the distortion and expanding movements.
Suitable to plumbings with high pressure or high temperature
Fluids: Air / Vapor / Water
Click here for Specifications.
Bellows model
NK-7100 Ring type Bellows Expansion Joint W-model
| Number | Name | Material |
|---|---|---|
| 1 | Bellows | SUS304,SUS316,SUS316L |
| 2 | End Pipe | SGP,STPG370,SUS304,SUS316,SUS316L |
| 3 | Flange | SS400,S25C,SUS304,SUS316,SUS316L |
| 4 | Intermediate Pipe | SGP,STPG370,SUS304,SUS316,SUS316L |
| 5 | Guide Flange | SS400,SUS304 |
| 6 | Control Ring |
SS400,FC20,SUS304 |
| 7 | Rib | SS400,SUS304 |
| 8 | Stopper | SGP,SUS304 |
| 9 | Tie Rod Bolt | SS400,SUS304 |
| 10 | Set Bolt | SS400,SUS304 |
| 11 | Internal Cylinder | SUS304,SUS316,SUS316L |
Features
It's possible to absorb the axial expansion-contraction by equipping
with an anchor chock, setting a pipe between two bellows.
Non anchor chock type is available as well.
