
Company Information
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Contact SupplierThin profiled, multi-spring, grub screw mounted seal, conforming
for standard equipment. Commonly specified for ardous applications.
Characteristics
Operating limits
| Imperial Shaft Size DØ | Metric Shaft Size DØ | Size Code | Seat Size Fitted (M549B/BS Only) | D3 | MTS MS45/S L1 | MTS MS45B/BS L1 | |||
| Imperial | Metric | Imperial | Metric | Imperial | Metric | ||||
| 0.5 | 12.7 | 127 | N/a | 0.937 | 23.8 | 0.937 | 23.8 | N/a | N/a |
| 0.625 | 15.8 | 158 | N/a | 1.063 | 27 | 0.937 | 23.8 | N/a | N/a |
| 0.75 | 19.1 | 191 | 158 | 1.189 | 30.2 | 0.937 | 23.8 | 1.25 | 31.75 |
| 0.875 | 22.2 | 222 | 191 | 1.315 | 33.4 | 0.937 | 23.8 | 1.25 | 31.75 |
| 1 | 25.4 | 254 | 222 | 1.437 | 36.5 | 1 | 25.4 | 1.312 | 33.32 |
| 1.125 | 28.6 | 286 | 254 | 1.563 | 39.7 | 1 | 25.4 | 1.375 | 34.93 |
| 1.25 | 31.7 | 317 | 286 | 1.689 | 42.9 | 1 | 25.4 | 1.375 | 34.93 |
| 1.375 | 34.9 | 349 | 286 | 1.941 | 49.3 | 1.375 | 34.93 | 1.685 | 42.8 |
| 1.5 | 38.1 | 381 | 317 | 1.941 | 49.3 | 1.125 | 28.58 | 1.437 | 36.5 |
| 1.625 | 41.2 | 412 | 349 | 2.26 | 57.4 | 1.157 | 29.4 | 1.594 | 40.5 |
| 1.75 | 44.4 | 444 | 381 | 2.315 | 58.8 | 1.375 | 34.93 | 1.75 | 44.45 |
| 1.875 | 47.6 | 476 | 412 | 2.5 | 63.5 | 1.375 | 34.93 | 1.75 | 44.45 |
| 2 | 50.8 | 508 | 444 | 2.626 | 66.7 | 1.375 | 34.93 | 1.75 | 44.45 |
| 2.125 | 53.9 | 539 | 476 | 2.815 | 71.5 | 1.687 | 42.86 | 2.063 | 52.39 |
| 2.25 | 57.1 | 571 | 508 | 2.846 | 72.3 | 1.375 | 34.93 | 1.749 | 44.43 |
| 2.375 | 60.3 | 603 | 539 | 3.008 | 76.4 | 1.687 | 42.86 | 2.063 | 52.39 |
| 2.5 | 63.5 | 635 | 571 | 3.126 | 79.4 | 1.375 | 34.93 | 1.749 | 44.43 |
| 2.625 | 66.6 | 666 | 603 | 3.252 | 82.6 | 1.687 | 42.86 | 2.063 | 52.39 |
| 2.75 | 69.8 | 698 | 635 | 3.374 | 85.7 | 1.687 | 42.86 | 2.063 | 52.39 |
| 2.875 | 73 | 730 | 666 | 3.5 | 88.9 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3 | 76.2 | 762 | 698 | 3.626 | 92.1 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.125 | 79.4 | 794 | 730 | 3.752 | 95.3 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.25 | 82.6 | 826 | 762 | 3.874 | 98.4 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.375 | 85.7 | 857 | 793 | 4 | 101.6 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.5 | 88.9 | 889 | 825 | 4.126 | 104.8 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.625 | 92.1 | 921 | 857 | 4.252 | 108 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.75 | 95.3 | 953 | 889 | 4.374 | 111.1 | 1.687 | 42.86 | 2.063 | 52.39 |
| 3.875 | 98.4 | 984 | 921 | 4.5 | 114.3 | 1.687 | 42.86 | 2.063 | 52.39 |
| 4 | 101.6 | 1016 | 952 | 4.626 | 117.5 | 1.687 | 42.86 | 2.063 | 52.39 |