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Cromemco Hellas SA
Rotary Lobe Blowers
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R-Series – Rotary Lobe Blowers
Rotary lobe blower R-VPA
Volume flow 430 to 3960 m³/hr 252.9 to 2329.4 cfm Pumpset consisting of a V-VWZ rotary vane and a rotary lobe pump. They combine the advantages of fresh oil lubricated vacuum pumps with the high suction capacity of a rotary lobe pump. Primarily used for generating fine vacuum in general industrial applications and for chemical processes. ATEX compliant versions are available on request.
These compact rotary lobe blowers belong to the group of dry running positive displacement pumps. This means that there is no need for oil or grease in the compression chamber. Only gear box and bearings, which are separated from the pumping chamber, are oil lubricated. Two non contacting triple lobed rotary lobe rotors rotate against each other in the compression room. The triple lobed rotors avoid pulsation problems. The blowers are customized to cater for the varying demands of our customers‘ applications.
Rotary lobe blower R-VPR
Volume flow 485 to 2752 m³/hr 285 to 1619cfm Ultimate vacuum of 0.01 mbar (abs) Pump set consisting of a V-VC rotary vane in combination with a rotary lobe vacuum pump. Primarily used for production of fine vacuum for general industrial applications.
Rotary lobe blower R-WVB
Volume flow 22 to 8580 m³/hr 12.9 to 5,049.4cfm Maximum vacuum 0.5 bar (abs) Dry running two (R-WVB 25) or three (R-WVB 120) lobed rotary blowers. Designed for use with vacuum operations up to a maximum of 0.5 bar (abs). The variable capacity blowers cover a range from 22 to 8,580 m³/hr (12.9 to 5,049.4 cfm) in 16 sizes. Low noise level and low pulsation. High efficiency due to optimal speed Robust design. Easy to service.
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επίσημος αντιπρόσωπος Elmo Rietschle