Duo-Cone™ Seals

Duo-Cone_seal

Hardened, special alloy metal rings are precisely lapped to seal perfectly. Synthetic rubber o-rings position the metal sealing rings, exerting uniform pressure for the life of the seal. Positive sealing contact is maintained regardless of shaft deflection, end play or vibration. The metal faces constantly develop a new sealing surface. As wear occurs, the contact band moves inward (see diagram).

The seals work effectively at temperatures of -65° F to 325° F., at rubbing speeds of 1200 to 1500 fpm and withstand differential pressures of 35 to 50 psi. These seals were originally developed for use in heavy duty Caterpillar™ earthmoving equipment...on rugged jobs and under extreme conditions of mud, rock, sand and water.

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