KAESER Rotary Lobe Blower
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Robuschi Blower
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Rotary Lobe Blower (RBS/AV) Rotary lobe blowers used to increase the capacity of the primary vacuum pumps when operating at their minimum suction pressure (as a booster). The RBS/AV blowers must be used in series with a primary vacuum system ( VP ) and for pressures lower than 50 mbar absolute. The main characteristics of these blowers are as follows:- two conjugate rotors which rotate inside a special design casing with tight clearances in all position, assuring gas sealing without contact between parts- the labyrinth seals avoid the atomized oil to enter into the compression chamber.- the sealing between compression chamber and environment is ensured by O-rings seals, set between ground surfaces.- The shaft end sealing is made by 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.- Suction of gases and vapours;- No sliding parts, therefore no wear;- Safe operation and minimum maintenance; Robuschi can supply primary vacuum systems consisting of liquid vacuum pumps with deliveries up to 4,200 m³/h.
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Rotary Lobe Blower
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