Unlike conventional pump designs, liquid ring vacuum pumps require a relatively precise and consistently small gap between the rotor and the casing. Tolerances in this area invariably lead to performance loss.
Corrosion is the main enemy as the tight clearance requirements are immediately affected. Means a considerable amount of spare parts has to be available for maintenance. Professional coating materials are a real option for service life extension.
Ask us about: housings / volutes, rotors / impellers, cone clearances, port plates, shafts / bearing seats
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