Under-Compression Valves

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FREDDY - your protection system against a vacuum
The pressure balancing valve protects the containers or silos from a vacuum. The application of these valves is governed by the accident prevention regulations.


  • Underpressure -5mbar
  • Special pressure on request
  • Weather protection hood


  • Model in stainless steel 1.4301/304
  • Compact and easy
  • Variable integration possibility: horizontal to vertical
  • Completely ready for connection

 Fields of application

  • These models are especially suited for all containers, scales, bag dump
    chutes, loading sets where the low pressure must be limited
  • Due to the stainless steel design, the valves can be used in all
    industries ranging from the building trade to the pharmaceutical
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