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Roots Vacuum Pumps PNEUMOFORE

Roots Vacuum Pumps

Hydraulic pumps

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The blowers are made of cast iron with rotors in carbon steel or in spheroidal cast iron depending on the size. These materials assure good performancce in standard operating conditions with gases or vapours.

The RPP series vacuum blowers are made of two conjugate rotors which rotate inside a special design casting with very tight clearances in all positions assuring gas sealing without contact between parts. The rotors are synchronized by high precision helical gears which allow high speed.

Compressor chamber sealing

The sealing between compression chamber and bearing housings is made with labyrinth seals avoiding atomized coolant to enter the compresseion chamber. The sealing between compression chamber and environment is ensured by O-rings seals in Viton set between ground surfaces.

Shaft-end sealing

The shaft-end sealing is made with two seal rings in Viton with opposite lips, lubricated by means of a fitted on oiler. The oil ring housing can be cooled by water circulation. The shaft is protected by an hardened replaceable sleeve.

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