ISO-KF · HOSES & FLEXIBLE CONNECTIONS
ISO-KF Stainless Steel Bellows
ZEROVAC ISO-KF stainless steel bellows accommodate vibration, installation tolerances and limited axial, angular or lateral movement in vacuum lines. AISI 304 flanges combine with an AISI 316Ti flexible bellows element.
- Connection Standard
- ISO-KF
- Nominal Sizes
- DN 10 - DN 50
- Flange Material
- AISI 304 / EN 1.4301
- Bellows Material
- AISI 316Ti / EN 1.4571
- Max. Internal Pressure
- 4 bar
- Leak Rate
- < 1 × 10⁻⁹ mbar·L/s
TECHNICAL DRAWING · DIMENSIONS · ORDER CODES
Movement dimensions and order codes
A is the unstressed length; B is the maximum axial compression; C is the maximum axial extension; D is the angular deviation and E is the lateral displacement.
Scroll horizontally to review every published dimension and order code.
| ISO-KF | A (mm) | B (mm) | C (mm) | D (°) | E (mm) | Max. Internal Pressure | Order Code |
|---|---|---|---|---|---|---|---|
| DN 10 | 70 | 3.5 | 3 | 23° | 5 | 4 bar | 211326 |
| DN 16 | 70 | 6.4 | 4.1 | 21° | 4 | 4 bar | 211327 |
| DN 25 | 80 | 8 | 5 | 17° | 3.5 | 4 bar | 211328 |
| DN 40 | 100 | 11 | 7 | 15° | 7 | 4 bar | 211329 |
| DN 50 | 100 | 10 | 6 | 15° | 8 | 4 bar | 211330 |
A, B, C and E: mmD: degreesMaximum internal pressure: 4 bar
INSTALLATION NOTE
Install the flanges concentrically and free from mechanical stress. Do not twist the bellows, exceed the stated movement limits or allow it to support the piping weight.