Composition and Key Daily Maintenance Points of Mechanical Seals-Hebei Rongyu Pump Industry Co., Ltd.

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Composition and Key Daily Maintenance Points of Mechanical Seals

Mar 19,2026

Summary: A mechanical seal is a shaft seal device for rotating shafts, primarily composed of a stationary face, a rotating face, a spring, and auxiliary sealing elements.

Composition and Key Daily Maintenance Points of Mechanical Seals

A mechanical seal is a shaft seal device for rotating shafts, primarily composed of a stationary face, a rotating face, a spring, and auxiliary sealing elements. It relies on the force from elastic elements and medium pressure to keep the faces of the stationary and rotating rings in close contact for sealing. In daily maintenance, attention should be paid to abnormal leakage at the sealing faces, ensure the flush fluid path is clear, avoid prolonged pump operation under suction loss conditions, and monitor temperature changes in the seal chamber.

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