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| The Type SMB9 incorporates all of the rugged features of the Type SMB4, but is intended for those demanding applications where a dependable, high-strength, rotating seal is preferred. A narrow cross-section design enables the Type SMB9 to fit in the most popular pumps without expensive and time-consuming seal chamber modifications. This makes it the ideal seal for heat transfer,hydrocarbon, and other applications that commonly use pumps with limited seal chamber clearances. | |
| Operation Limits | Combination of Materials |
| Pressure: | Seal Face: |
| Vacuum to 20 bar / 300 psi | Carbon, Silicon Carbide, Tungsten Carbide |
| Vacuum to 69 bar / 1000 psi (DOUBLE-PLY) | Metal Bellows: |
| Temperature: | 17-4PH, AM350, INCONEL 718 |
| - 75℃ ~ 425 ℃ | Secondary Seal: |
| (with flexible graphite static packing) | Graphite |
| Linear Speed: | Metal Component: |
| 25 m/s | SS316, SS304 |
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