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Fox Rotary Valve Venting Eductors enable a retrofit of badly leaking rotary airlocks that cannot be replaced by eductors.  Product can be conveyed back into your conveying line or back to the top of your product silo.

Venting eductors can:

What is Blowback?
Rotary Diagram

Airlocks isolate and dose solids sitting above a positive pressure convey line.
Air from the conveying system inevitably leaks past clearances in the rotors, as well as the pulses of air released as each empty 'pocket' is rotated upwards. This release of air is called blowback.
  • Eliminate blowback
  • Reduce required maintenance
  • Increase - sometimes significantly - throughput from existing rotary valves.
Injecting Silo Diagram

Rotary Valve Venting Problem
Rotary Valve Venting Problem

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