Semi-Food Grade Airlocks

Type-3 Nedox Rotary Valve. The Type 3 rotary valves are designed to seal differential pressure up to 14.9 PSIG with minimal leakage by using tightly constructed clearances between the housing and endplates and a rotating center which can meter material out while the valve seals. This unit is constructed of a cast iron housing and endplates that are 100% coated with Nedox SF-2 and a 304 SS stainless steel rotor and shaft.



  • Corrosion-resistant
  • Superior protection against wear
  • Non-stick coating
  • FDA approved