ISO-KF · SEALING COMPONENTS
ISO-KF Centering Ring with Filter
ZEROVAC ISO-KF centering rings with filter combine accurate flange alignment and FPM vacuum sealing with an integrated AISI 316L filter element that helps limit particle passage through the vacuum line.
- Connection Standard
- ISO-KF
- Nominal Sizes
- DN 10 / 16 / 25 / 40 / 50
- Ring Material
- AISI 303 / EN 1.4305
- Filter
- AISI 316L · 0.02 mm
- Seal
- FPM (Viton) O-ring
- Leak Rate
- < 1 × 10⁻⁹ mbar·L/s
TECHNICAL DRAWING · DIMENSIONS · ORDER CODES
Dimensions, air flow and ordering codes
A, B, C and D are shown in the cross-section. Air-flow values are stated at 20 °C and Δp = 200 mbar.
Scroll horizontally to review every published dimension and order code.
| ISO-KF | A (mm) | B (mm) | C (mm) | D (mm) | Air Flow (m³/h) | Order Code |
|---|---|---|---|---|---|---|
| DN 10 | 12 | 8 | 8 | 3.9 | 0.5 | 211089 |
| DN 16 | 17 | 14 | 8 | 3.9 | 1.2 | 211090 |
| DN 25 | 26 | 23 | 8 | 3.9 | 4.2 | 211092 |
| DN 40 | 41 | 38 | 8 | 3.9 | 11.3 | 211094 |
| DN 50 | 52 | 48 | 8 | 3.9 | 18.1 | 211095 |
Pore size: 0.02 mmAir-flow condition: 20 °C, Δp = 200 mbarSeal: FPM (Viton)
INSTALLATION NOTE
Observe the recommended gas-flow direction shown by the arrow on the filter and install the ring with suitable ISO-KF flanges and a clamp.