Graco Inc.

EFR 

The Electric Fixed Ratio System (EFR) can handle a wide range of 2K materials, and can provide a precise dispensie for gaskets, beads, shots and potting applications

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The EFR is designed to dispense 2K sealant and adhesives. It is built with an electric motor and mechanically linked Z-Pumps. Each of these features contribute to achieve a perfect result with each dispense. Trust in the EFR, which is Accurate, Versatile and Easy to use.



Accuracy...

Accurate dispensing is key for quality end products. With the EFR you can expect accuracy during every dispense.

 

In Ratio:

The ratio is controlled by our mechanically linked volumetric Z-pumps. These pumps dispense 50% of their nominal volume in each stroke. This allows for accurate ratio control in small shots and in continuous flow

 

In shot sizes from 0,3 cc to any shot:

With the built in encoder, the flow is continuously conrolled to assure a consistent flow rate. And Graco’s control architecture controls the shot repeatability even during pump changeovers

 

From start to stop, even during pump changeovers

The electric motor ensures you the correct flow rate from the moment you start to the moment you stop, without any pulsation. The additional automatic calibration makes sure that snake heads at start & tails at the end are eliminated.

 

Versatility...

Don’t be limited to 1 material or application. The EFR gives you the versatility to choose the flow rate you need with the material you need , whether its for manual or robotic applications.


From low flow to to high flow

  • Lowest Flow: 10 cc/min
  • Highest flows: 3,2 L/min
  • Shot sizes from 0,3 cc


Wide range of Material compatibility

The EFR can be configured to handle a wide range of materials: Thermal interface materials,Epoxies, Silicones, Acrylics, Polysulfide, Urethanes, Filled and unfilled materials

 

Easy...

The EFR was designed with industry proven technologies for simplified configuration, ease of use and maintenance.

  • Simplified configuration and setup
  • Broader hose selection in lengths and sizes
  • Easy to operate
  • Low maintenance

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EFR features

1. Electric Motor

  • Powerful driver reaches high flows up to 3,2L per minute
  • Precise encoder that assures low flows and small shot consistency
  • Direct Pump Control
  • Limited maintenance needs

2. Industry Proven Z-Pumps

  • Multiple Ratio options
  • Only seals are wear parts
  • Abrasive resistant version
  • Mechanically linked pumps offer ratio assurance

3. MD2 Valve

  • Adjustable snuff back
  • Mixing at tip of the gun, limiting purge material waste
  • Multiple seal combinations for material compatibility
  • Available for 1:1 for wide ratio applications
  • For manual or robotic applications

4. Advanced Display Module

  • Easy to use interface
  • Possibility to have it completely integrated
  • Communication Gateway Modules: Profibus, Profinet, Ethernet/IP, Discrete I/O

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