The vacuum system SIHIdry S-Version has been especially developed for use in industrial applications. It is based upon a dry running twin screw principle, which is without any lubricants, sealants or operating liquids. Wide clearances in the pumping chamber make the pump robust when it comes to the handling of particles and liquids. It is supported by top-down pumping (inlet at the top and the outlet at the lowest point in the pumping chamber) and the pump chamber has been designed to eliminate dead space.
To meet the demands of the process industry, Sterling SIHI offers completely dry running vacuum pumps. Dry running vacuum pumps are used increasingly throughout industry where there is a growing demand for uncontaminated vacuum, free from oil or service liquid, a requirement for low operating pressures, a flexibility required from batch processes, concern about storage and disposal costs of service liquids and the pressure to minimise life-cycle costs. The SIHIdry vacuum pump is a vertical twin-screw machine that is completely dry running and has no mechanical shaft seals. Moreover, the hermetically sealed unit has been developed specifically to meet these demands, whilst maintaining a simple, cost-effective solution.
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