Expert Mechanical Seal Repair | Waterjet Cut | Precision Gasket Cutting

A mechanical seal consists of a stationary seat and a rotating head. The head rotates with a pump shaft while the seat is statically sealed to a non-moving cover. The stationary part of the seal is the non-rotating primary seal ring mounted in the gland plate, pump housing or other motionless structural part of the rotating equipment. A stationary seat also called Mating Ring is capable of joining seal parts together to prevent leakage.

Primary sealing takes place where the rotating and stationary faces are in near contact. Mechanical seals leak by design, albeit controlled leakage and must do so to work properly.

Stationary face materials include ceramics, carbon and ni-resists. For extra resistance against abrasive conditions use silicon carbide or tungsten carbide seat face.

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