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Single screw vacuum pump five sealed basic components
Functions and requirements of the five main sealing elements of a single screw vacuum pump: End seal pair (static and moving ring). The function of the sealing pair of the end face is to make the sealing surface tightly fit and prevent the leakage of medium. It requires the static and moving ring to have good wear resistance, the moving ring can move flexibly in axial direction, automatically compensate the wear of sealing surface, make it fit well with the static ring; The static ring is buoyant and ACTS as a buffer. Therefore, the sealing surface requires good processing quality to ensure the sealing pair has good fitting performance. Elastic element (spring, bellows). It mainly plays the role of compensation and buffering, the requirement always maintain enough elasticity to overcome the inertia of the auxiliary seal, the friction of the transmission part and the moving ring, etc., to ensure the good fitting of the sealing pair of the end face and the tracking of th...
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