Souliou str. 1 & Pigis Avenue , 151 27 Melissia - Athens
Tel. +30 210 6130 366, 6135 866 , Fax +30 210 6139 787 , E-mail: info@cromemco.gr
Cromemco Hellas S.A.
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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.
Rotary Lobe Blowers
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.
