ISO-KF · SEALING COMPONENTS
ISO-KF O-Ring CR Series
The ZEROVAC ISO-KF O-Ring CR series provides reliable sealing in ISO-KF vacuum connections when used with a centering ring and the appropriate flange components. CR60 construction supports durable, repeatable installation.
- Connection Standard
- ISO-KF
- Nominal Sizes
- DN 10 - DN 50
- Elastomer
- CR60
- Vacuum Level
- Down to 1 × 10⁻⁹ mbar
- Pack Quantity
- 10 pcs.
TECHNICAL DRAWING · DIMENSIONS · ORDER CODES
O-ring dimensions and ordering codes
A denotes the inside diameter and B denotes the cross-section diameter. All dimensions are in millimetres.
Scroll horizontally to review every published dimension and order code.
| ISO-KF | O-Ring Dimensions | A (mm) | B (mm) | Pack | Order Code |
|---|---|---|---|---|---|
| DN 10 | Ø15 × 5 | 15 | 5 | 10 pcs. | 211146 |
| DN 16 | Ø18 × 5 | 18 | 5 | 10 pcs. | 211147 |
| DN 20 | Ø25 × 5 | 25 | 5 | 10 pcs. | 211148 |
| DN 25 | Ø28 × 5 | 28 | 5 | 10 pcs. | 211149 |
| DN 32 | Ø40 × 5 | 40 | 5 | 10 pcs. | 211150 |
| DN 40 | Ø42 × 5 | 42 | 5 | 10 pcs. | 211151 |
| DN 50 | Ø55 × 5 | 55 | 5 | 10 pcs. | 211152 |
Vacuum suitability: down to 1 × 10⁻⁹ mbarStandard pack: 10 pcs.
INSTALLATION NOTE
Use the O-ring corresponding to the correct DN size. Sealing surfaces must be clean, dry and free from damage. Use the appropriate ISO-KF centering ring and clamp.