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Cromemco Hellas S.A.
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L-Series Liquid Ring Compressors
Vacuum pumps L-BV2
Volume flow
23 to 145 m³/hr
15.9 to 85.3 cfm
The monoblock construction is particularly suited for use in the plastics and medical industries.
Robust and reliable.
Available in various combinations of materials such as stainless steel, bronze, ceramic and cast iron with
ceramic coating.
Long lasting due to ceramic coating.
Can be customized.
Long-term resistance to erosion and corrosion.
Reinforced stainless steel shafts in the pump section.
Roller bearings with additional lubricant reservoir provide safe and maintenance-free operation even
under heavy loads. IE3 / Nema Premium on request.
Units with closed or partial water circuits are available as standard sytems.
Liquid Ring Compressors
Compressors L-BV5
Volume flow
90 to 600 m³/hr
52.9 to 352.9 cfm
The block pumps in the L-BV5 family are characterised by a very high suction volume of up to 600 m³/h
with suction pressures of up to 33 mbar abs. and are primarily used for applications with large quantities
of liquids. The L-BV5 also simultaneously works as a condenser while suctioning condensable steam. This
enables the suction volume to be doubled. The sound pressure level remains under 73 dB(A) and
therefore fulfils even the strictest noise stipulations.
The single-stage compact construction of the L-BV5 reduces the space required for the installation of the
pumps to around half that required by conventional modular machines. The pump can be easily installed
in extruding machines and chemical systems, even when mounted to the underside of the tables. When
developing these liquid ring pumps, Elmo Rietschle placed the focus on robustness and reliability. The L-
BV5 can provide up to 20,000 hours of continuous operation without requiring an interruption for
maintenance, even under the harshest conditions. Reinforced stainless steel shafts, continuously
lubricated bearings and a coated pump housing prevent wear and tear caused by solids that are also
sucked in, and guarantee constant performance, even after many years of use.
Vacuum pumps L-BV7
Volume flow
27 to 145 m³/hr
15.9 to 85.3 cfm
Our new L-BV7 liquid ring pumps are high-powered and multitalented machines which save space and up
to 50 % in operating liquids. They can easily convey eight times the quantity of liquid. The monoblock
construction of the L-BV7 far surpasses conventional modular pumps and is particularly suited for use in
the plastics and medical industries.
The robustness and reliability is unparalleled in operation. The machines are available in various
combinations of materials such as stainless steel, bronze, ceramic and cast iron with ceramic coating. This
enables them to be tailored to the respective operating requirements and thus provides long-term
resistance to erosion and corrosion. The entire L-BV7 range shines with quality: reinforced stainless steel
shafts in the pump section and roller bearings with additional lubricant reservoir provide safe and
maintenance-free operation even under heavy loads.
