Wangen VarioTwin NG Feeder Unit

The VarioTwin NG is a feeder unit add-on for Wangen Twin NG pumps. The hopper and screw conveyor module is ideal for pumping highly viscous media. The design of the hopper allows for it to be produced in a variety of lengths to meet a wide range of application requirements.

The 'coreless screw' conveyor features gentle product handling as well as easy and effective cleaning. The drive speed of the VarioTwin NG has the ability to be controlled separately from the pump speed, allowing for greater application flexibility. With an energy-efficient screw geometry, the feeder offers low energy consumption and minimal dead spaces. The VarioTwin's cantilevered screw support system ensures maximum hygiene.

Operating Principle

When using hopper feed pumps, the media feed can be subjected to severe fluctuations. To mitigate this, the 'coreless' feeder ensures a large buffer volume during media supply. At the front section of the feeder, excess material is returned by the axial feeder cavity to the rear section and balances the feed volume in case of temporarily low material supply. This ensures a constant even filling during the feed process.

key features
  • Ensures gentle handling of high-viscosity media while preventing product damage.
  • Sanitary-Optimized Design: Minimal dead space and cantilevered screw support for maximum hygiene and minimal residue buildup.
  • Compact & Efficient: Requires low energy consumption and minimal space, making it ideal for confined processing environments.
  • Independently Controlled Pump Speed: Allows for precise flow regulation and seamless integration into existing systems.
  • Adjustable Hopper Length: Customizable to meet specific application needs for efficient product feeding.
Technical Specifications 
  • Flow Rate: Up to 44 gpm
  • Max. Differential Pressure: Up to 251 bar
  • Output: Max. 10 m³/h
  • Temperature Range: Max. 194°F
  • Viscosity: Up to 3,000,000 mPa·s
  • Material Contact Parts: FDA-compliant materials for safe food and pharmaceutical processing

Product Resources

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VarioTwin NG Feeder Unit (Wangen)

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