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Description
The rod style unloaded twin lip U-cup features a secondary “bump” or lip on the inside heel of the seal that provides additional stability in the seal groove. The increased stability enhances the long-term performance of the seal. In rod seal leakage tests, the twin lip rod U-cup had better performance than the conventional U-cup. This is due to the initial leakage of the seal being reduced by the secondary sealing lip.
| Application | Dynamic reciprocating applications and low pressure piston & rod applications. | Inside Diameter | 4 1/2'' | Groove Width | 0.688'' |
| Piston Width | 5 1/8'' | Rod Width | 4 1/2'' | Rod Groove | 5 1/8'' |
| Piston Bore | 5 1/8'' | Piston Groove | 4 1/2'' | Width | 5/16'' |
| Height | 5/8'' | Rod Throat | 4 1/2'' | Outside Diameter | 5 1/8'' |
