![](https://en.nfk-jp.com/wp-content/uploads/sites/2/2018/03/nk7500.jpg)
Feature
This product wraps a bellows in an inner cylinder and an outer cylinder, and has a structure that does not carry out compression buckling that
if it’s big axial move.
NK-7500 is Single bellows NK-7700 is Double bellows
Applicable fluid: Steam, Exhaust gas, Water, Air
Applicable bellows: MF, HF
Material: SUS304, SUS316L,
*Please contact us for material.
Standard: JIS, ANSI, DIN
NK-7500
![](https://en.nfk-jp.com/wp-content/uploads/2018/03/dia_nk7500.png)
NK-7700
![](https://en.nfk-jp.com/wp-content/uploads/sites/2/2019/12/1758b894c947145fe024ce6a6b480a05.png)
Materials
Bellows | Stainless Steel |
---|---|
Inner Sleeve | Stainless Steel |
Outer Cylinder | Carbon steel, Stainless Steel |
End Pipe | Carbon steel, Stainless Steel |
Flange | Carbon steel, Stainless Steel |
Neck Ring | Carbon steel, Stainless Steel |
Middle Ring | Carbon steel, Stainless Steel |
Tie Rod | Carbon steel, Stainless Steel |
Holder | Carbon steel, Stainless Steel |
Specification table
X=Axial Movement
The drawing can be downloaded from the link below.