The liquid ring vacuum pump is one of the workhorses in the chemical and petrochemical industry. The construction provides a nearly isothermal compression at comparatively low temperatures. In some applications of the process industry, stainless steel as normally used for such pumps does not come up to the demands regarding long-life cycle and corrosion resistance of vacuum pumps and systems. Hermetic Pumpen therefore supplies liquid ring vacuum pumps as well as the relevant systems and package units also in metallic special materials like titan and Hastelloy. The vacuum pumps are available with a suction capacity from 50 m³/h to 3000 m³/h. Besides the classic design with me- chanical shaft seal, hermetic drives also can be supplied in design as canned motor or magnetic coupling.
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