U Finger Spring PTFE Seals
Type M30 and 31
The Axial Face Seals - Type M30 and M31 employ a heavy duty, high load spring, recommended for extreme sealing conditions, static and dynamic.
These are ideal for marine loading arm swivels and similar applications where high torque and clamping forces are available. Recommended for cryogenic applications, Ultra High Vacuum and other thin gases.
| Cross Section | H | T | L3 MIN |
|---|---|---|---|
| 4 | 4.72/4.78 | 0.15 | 7.1 |
| 5 | 6.05/6.12 | 0.20 | 9.5 |
| 6 | 9.35/9.40 | 0.25 | 13.5 |
| 7 | 12.40/12.45 | 0.30 | 16.5 |
U Finger Spring Face Seals for Extreme Duty
M30 and M31 heavy-duty axial face seals are the choice for cryogenic service, ultra high vacuum and thin gas sealing — including marine loading arm swivels. Discuss your extreme sealing conditions with our technical team.
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