Performance Capabilities of Elastomer Bellow Seals R91
- Temperature: -20℃ to 150℃, dependent on the elastomer
- Pressure: Up to 8 bar
- Speed: Up to 10 m/s
- End play/axial float allowance ±0.1mm
Sizes of Elastomer Bellow Seals R91
14mm to 90mm
Materials Selection of Elastomer Bellow Seals R91
- Face: Carbon, SiC, TC
- Seat: Ceramic, SiC, TC
- Bellow: NBR, EPDM, VITON etc.
- Spring: SS304, SS316
- Metal parts: SS304, SS316
Specification of Elastomer Bellow Seals R91
| Elastomer Bellow Seals By Size | d | D | D1 | L1 | L2 |
| R91-14 | 14 | 27.5 | 30 | 5 | 18.7 |
| R91-16 | 16 | 28.5 | 32 | 5 | 21 |
| R91-18 | 18 | 31.2 | 35 | 7.5 | 22.5 |
| R91-20 | 20 | 31.7 | 35 | 8 | 21 |
| R91-24 | 24 | 40.2 | 39 | 8 | 25.5 |
| R91-25 | 25 | 40.2 | 40 | 8 | 25.5 |
| R91-28 | 28 | 44.1 | 43 | 8 | 25.5 |
| R91-30 | 30 | 45.1 | 45 | 9 | 25.5 |
| R91-32 | 32 | 49 | 48 | 9 | 33.5 |
| R91-33 | 33 | 49 | 48 | 9 | 33.5 |
| R91-35 | 35 | 50.2 | 50 | 9 | 33.5 |
| R91-38 | 38 | 55.3 | 56 | 9 | 33.5 |
| R91-40 | 40 | 57 | 58 | 9 | 33.5 |
| R91-43 | 43 | 60.7 | 61 | 9.5 | 36.5 |
| R91-45 | 45 | 62.5 | 63 | 9.5 | 38 |
| R91-48 | 48 | 66.5 | 66 | 9.5 | 38 |
| R91-50 | 50 | 68.6 | 70 | 9.5 | 38 |
| R91-53 | 53 | 70.8 | 73 | 9.5 | 41 |
| R91-55 | 55 | 72.4 | 75 | 9.5 | 41 |
| R91-58 | 58 | 80 | 78 | 9.5 | 42 |
| R91-60 | 60 | 83 | 80 | 9.5 | 42 |
| R91-65 | 65 | 87.2 | 85 | 9.5 | 43 |
| R91-70 | 70 | 91.6 | 92 | 11 | 45 |
| R91-75 | 75 | 99.4 | 97 | 12 | 48 |
| R91-80 | 80 | 104.6 | 104 | 12 | 55 |
| R91-85 | 85 | 111 | 109 | 12 | 64.2 |
| R91-90 | 90 | 113 | 114 | 12 | 66.2 |
Design Drawing of Elastomer Bellow Seals R91
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