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O Ring Mechanical Seals N12
Replacement for:
- John crane type 109B
- Balance PEFE wedge Seals
- Multi-Spring
- Hastelloy C272 metal available
- High pressure
- Corrosion resistance
Performance Capabilities of O Ring Mechanical Seals N12
- Temperature: -50℃ to 400℃
- Pressure: Up to 25 bar (balance type)
- Speed: Up to 20 m/s
- End play/axial float allowance±0.1mm
Sizes of O Ring Mechanical Seals N12
5/8” to 4”Materials Combination of O Ring Mechanical Seals N12
- Face: Carbon, SiC, TC
- Seat: Ceramic, SiC, TC
- O-rings: PTFE
- Spring: SS304, SS316, hastelloy C
- Metal parts: SS304, SS316
Specification of O Ring Mechanical Seals N12
| O Ring Mechanical Seals by Size | d | d1 | D | L2 |
| N12-5/8" | 15.88 | 12.7 | 30.7 | 27.2 |
| N12-3/4" | 19.05 | 15.9 | 34 | 30.2 |
| N12-7/8" | 22.23 | 19.1 | 37.2 | 32.2 |
| N12-1" | 25.4 | 22.2 | 40.3 | 33.2 |
| N12-1 1-8" | 28.58 | 25.4 | 43.5 | 35.2 |
| N12-1 1-4" | 31.75 | 28.6 | 48.3 | 35.2 |
| N12-1 3-8" | 34.93 | 28.6 | 51.5 | 37.2 |
| N12-1 1-2" | 38.1 | 31.8 | 54.6 | 37.2 |
| N12-1 5-8" | 41.28 | 34.9 | 61 | 45.2 |
| N12-1 3-4" | 44.45 | 38.1 | 64.2 | 45.2 |
| N12-1 7-8" | 47.63 | 41.3 | 67.3 | 45.2 |
| N12-2" | 50.8 | 44.5 | 70.5 | 45.2 |
| N12-2 1-8" | 53.98 | 47.6 | 76.9 | 52.2 |
| N12-2 1-4" | 57.15 | 50.8 | 80 | 52.2 |
| N12-2 3-8" | 60.33 | 54 | 83.2 | 52.2 |
| N12-2 1-2" | 63.5 | 57.2 | 86.4 | 52.2 |
| N12-2 5-8" | 66.68 | 60.3 | 89.6 | 52.2 |
| N12-2 3-4" | 69.85 | 63.5 | 92.7 | 52.2 |
| N12-2 7-8" | 73.03 | 66.7 | 95.9 | 52.2 |
| N12-3" | 76.2 | 69.9 | 97.5 | 52.2 |
| N12-3 1-8" | 79.38 | 73 | 100.7 | 52.2 |
| N12-3 1-4" | 82.55 | 76.2 | 105.4 | 52.2 |
| N12-3 3-8" | 85.73 | 79.4 | 108.6 | 52.2 |
| N12-3 1-2" | 88.9 | 82.6 | 111.8 | 52.2 |
| N12-3 5-8" | 92.08 | 85.7 | 115 | 52.2 |
| N12-3 3-4" | 95.25 | 88.9 | 118.1 | 52.2 |
| N12-3 7-8" | 98.43 | 92.1 | 121.3 | 52.2 |
| N12-4" | 101.6 | 95.3 | 124.5 | 52.2 |
Design Drawing of O Ring Mechanical Seals N12
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