Intelligent Vacuum Pumps


Expanding the range of intelligent vacuum pumps, LEM+ and LEMAX+ are more powerful versions of the LEM and LEMAX. LEM+ reaches a flow rate of 125 to 385 NI/min (compared with 29 to 92 for the LEM) and the LEMAX+ reaches a flow rate of 125 to 200 NI/min (compared with 29 to 70 for the LEMAX).


The LEM+ and LEMAX+ are the perfect mixture of more (bigger) power and smaller size. For the integrator and user these two qualities are a guarantee of easy installation and performance. Compared to similar products in terms of power, the LEM+ and LEMAX+ are by far the most compact vacuum pumps on the market.


COVAL has developed two complementary ranges of compact high flow rate vacuum pumps:

  • The LEM+, optimized in terms of energy savings for handling porous pieces with a rough surface
  • The LEMAX+, optimized in terms of energy savings for handling semi-airtight and airtight pieces


For the LEM+, ASR (Air Saving Regulator) technology regulates working pressure at 3.5 bar, whatever the pressure supplied by the compressed air network. Any unnecessary consumption is thus avoided, ensuring energy savings of 40% on average.


For the LEMAX+, once vacuum is created ASC (Air Saving Control) technology enables the piece to be held without any energy consumption. The result is energy savings of 90% on average.


The design of the LEM+ and LEMAX+ is based on constant concern for integrator and user comfort; in a word: optimized ergonomics. Here is a human-machine dialogue façade, bringing together all use accesses: follow-up information, settings, controls on a high visibility screen. In addition, each vacuum pump is factory preset per standard criteria to facilitate implementation. Finally, the automatic timed blow-off after each hold saves using one automaton output.

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