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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+

COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+
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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+

Product catalog summary
Overview: The document details the LEM+ and LEMAX+ series of vacuum pumps by COVAL, designed for handling various products with a focus on energy efficiency and ease of use. These pumps are suitable for porous, airtight, and rough surfaces.
Specifications:
  • LEM+ Series: Suitable for porous and airtight products with a maximum vacuum of 60% or 85%. Features include NC or NO configurations, optional displays, vacuum sensors, and blow-off functions. Suction flow rates vary based on configuration.
  • LEMAX+ Series: Designed for airtight or semi-airtight products with a maximum vacuum of 85%. Includes advanced electronics, high visibility displays, integrated vacuum sensors, and non-return valves. Offers significant energy savings with ASC technology.
Energy Efficiency:
  • Both series incorporate a venturi regulator (ASR) that optimizes air pressure to 3.5 bar, reducing unnecessary air consumption.
  • LEMAX+ series features Air Saving Control (ASC) for airtight products, achieving up to 90% energy savings by automatically managing vacuum generation and consumption.
Advantages:
  • Easy implementation with plug-and-play design and multiple configuration options.
  • Compact design allows for installation close to vacuum pads, reducing response times.
  • Automatic blow-off function saves on automaton outlets and is configurable from 0 to 10 seconds.
  • Dust-resistant design with non-clogging silencers.
  • Safety features ensure product gripping is maintained even during power failures.
Integration and Intelligence:
  • Modules integrate all industrial vacuum functions with simplified installation and operation.
  • Front communication panels allow for easy access and programming of operations, including monitoring, threshold settings, and diagnostics.
  • High visibility displays provide clear communication of vacuum levels, product status, and energy-saving modes.
Mounting and Connections:
  • Modules can be mounted from the side, front, or on a DIN rail, with various kits available for different mounting needs.
  • 3D models are available for download to assist with installation planning.
Selection and Ordering:
  • LEM+ modules are recommended for porous products, while LEMAX+ modules are optimal for airtight products.
  • Selection tables help determine the most economical nozzle diameter and air flow intake rate based on product type and handling requirements.
Features:
  • Controlled by a Normally Closed (NC) solenoid valve.
  • Blow-off options: controlled by signal or automatic with configurable time (0 to 10s).
  • Powerful blow-off option for quick product release.
  • Safety features ensure product gripping in case of power failure.
  • Integrated non-clogging silencer and adjustable blow-off flow rate.
Electrical Controls:
  • Control voltage: 24V DC (±10% regulated).
  • Current consumption: 30 mA per solenoid valve.
  • Display status with LEDs for vacuum and blow-off control.
Special Specifications for LEM+ and LEMAX+:
  • Black and white LCD display for vacuum level and cycle count.
  • Configurable settings for thresholds and hysteresis.
  • ASC (Automatic Self-Adaptation) for energy savings.
Applications: Suitable for various industrial sectors such as packaging, automotive, plastics, and aeronautics, where vacuum handling is crucial for efficiency and productivity.
Company Information: COVAL, based in France, is an ISO 9001: V2015 certified company specializing in vacuum automation components. It offers global distribution and customer-driven solutions.
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Catalog excerpts

COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-1

LEM+ LEMAX+ Compact, high flow vacuum pumps

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-2

LEM+ For gripping any products: porous, airtight or those with a rough surface. Configurations: - 60 or 85% of maximum vacuum. - NC or NO, depending on safety. - Combined ASR “venturi regulator". - With or without display. - With or without vacuum sensor. - With or without controlled blow-off or automatic blow-off function. - Powerful blow-off as option. - Versions with 1 or 2 M12 connectors. Configurations: - 85% of maximum vacuum. - NC or NO, depending on safety. - ASC advanced electronics. - High visibility display. - Integrated vacuum sensor. - Vacuum non-return valve. - Combined ASR “venturi...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-3

high flow vacuum pumps COVAL Dual Expertise 1- Integration The LEM+ / LEMAX+ compact modules integrate all the functions of “industrial vacuum” including simple, efficient, economical compressed air and are adapted for every application. INTEGRATED FUNCTIONS ➊ 3.5 bar pressure regulator ➋ “Vacuum” solenoid valve ➌ 3.5 bar optimised venturi ➍ Optimized silencer ➎ Electronic vacuum sensor ➏ Integrated electronics ➐ “Blow-off” solenoid valve ➑ Blow-off flow rate regulator ➒ Powerful blow-off valve ➓ Vacuum non-return valve Schematic representation, not contractually binding 2- Intelligence The front...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-4

COVAL Energy Saving Solutions al ps iti o n p u m Trad uum Vac (ASR): Porous Applications The LEM+ and LEMAX+ vacuum pumps, which integrate an ASR “venturi regulator” combination, share values that COVAL values greatly: they greatly reduce the volume of compressed air consumption and noise level. Whatever the pressure supplied by the compressed air network is, the integrated regulator feeds the venturi at 3.5 bar pressure, which is optimal for its operation.  No more unnecessary compressed air consumption.  No external regulator required and thus the risk of inadvertent misadjustment is eliminated....

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-5

LEM+ / LEMAX+: Implementation Mountings and Connections 1- Mounting from side Version: one M12 connector Mounting from side is the simplest to implement: Two Ø 5 mm through screws or bolts with large washers. 3/8"BSP 2- Mounting from front For mounting from front, in addition to the module, you need to order an additional kit: Individual installation plate with 4 mounting screws Mounting from front kit: 1 plate + 4 screws For a static mounting (for example, in a cabinet), a module can be clipped onto a DIN rail. For this purpose, the module must first be equipped with an individual plate for...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-6

Reminder: LEM+ modules are adapted for gripping all porous or airtight products. If you handle mostly airtight products, the LEMAX+ (ASC) modules will enable you to achieve remarkable air economy. VACUUM LEVEL NOZZLE DIAMETER 1- Maximum Vacuum Level It depends on the mixer profile: - 85% of maximum vacuum is optimal for gripping airtight products. - 60% of maximum vacuum is optimal for gripping porous products. 2- Nozzle Diameter It reflects the generated vacuum flow rate, as well as the power consumed. Therefore, it must be selected to meet the right requirements, without excess. Handling porous...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-7

NC Vacuum Pump Without Blow-Off LEM__X__RV_C__PG1 Single command signal. NC vacuum command valve. NC Vacuum Pump With Blow-Off LEM__X__SV_C__PG1 2 command signals. NC vacuum command valve. Blow-off configured on site, at choice: --Blow-off controlled by specific signal; --Automatic blow-off function (blowoff time configurable from 0 to 10s), only with next VA option (advantage: economy of an automaton outlet). Adjustable blow-off flow rate. one M12 connector Vacuum Pump 4 pins (C14) Without Vacuum IN Sensor Simplified LEM+ without settings and dialogue. Automatic operation until maximum vacuum...

 Open the catalog to page 7
COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-8

Reminder: LEMAX+ modules are suitable for gripping airtight or semi-airtight products. For handling porous products or rough surfaces, select LEM+ modules. VACUUM LEVEL NOZZLE DIAMETER VENTURI SPECIFICATIONS: 1- Maximum Vacuum Level It depends on the mixer profile: - 85% of maximum vacuum is optimal for gripping airtight or semi-airtight products. 2- Nozzle Diameter It reflects the generated vacuum flow rate, as well as power consumption. The table below helps to optimise the choice depending on the application operating with “ASC” and without “ASC”. nozzle diameter. Handling airtight products:...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-9

MODULE COMPOSITION CONNECTORS POWERFUL BLOW-OFF NC Vacuum Pump With Blow-Off LEMAX90X__SC__PG1 ■ 2 command signals. ■ NC vacuum command valve. ■ Blow-off configured on site, at choice: - Blow-off controlled by specific signal; - Automatic blow-off function (blow-off time configurable from 0 to 10s.). Advantage: economy of an automaton outlet. ■ Adjustable blow-off flow rate. NO Vacuum Pump With Blow-Off LEMAX90X__VC__PG1 ■ 2 command signals. ■ NO vacuum command valve. ■ Blow-off controlled by external signal. ■ Adjustable blow-off flow rate. Safety in Case of Power Failure This version is suitable...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-10

COMMON SPECIFICATIONS ■ Supply: Non-lubricated air 5 microns filtered, according to ISO 8573-1 Class 4 standard. ■ Operating pressure: 4.5 to 7 bar. ■ Blow-off: Adjustable flow rate. ■ Powerful blow-off (option F) P = 3.5 bar without flow rate control. ■ Maximum vacuum: 60% or 85% depending on model. ■ Suction flow rate: From 125 to 275 Nl/min, depending on model. ■ Air consumption: From 179 to 260 Nl/min, depending on model (for LEMAX+, when operating “without ASC”). ■ Integrated non-clogging silencer. ■ Sound level: From 72 to 75 dBA “without ASC”. 0 dBA with ASC available (LEMAX+). ■ Display...

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COMPACT, HIGH FLOW VACUUM PUMPS LEM+ / LEMAX+-11

SPECIFICATIONS ■ Threaded female connectors. ■ PVC covered cable. ■ IP65 protection. Part Number LEM / LEMAX: 2 Complementary Series LEM+ and LEMAX+ meet the “high capacity flow rates” needs of installations. They complement the LEM and LEMAX series provided for average flow rates. 11 LEM Series Designed for any gripping: ■ Porous products: cardboard, coated wood, pastries, etc. ■ Airtight products, when LEMAX is not feasible. LEMAX Series Designed for gripping airtight products: ■ “ASC” self-regulation saves from 60 to 99% of energy without any operating constraints. vacuum managers

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