Semi-Food Grade Airlocks

The Type 3 airlock is built to handle your sticky or cakey materials and is ideal for semi-food grade applications. The Type 3 is constructed with an epoxy coating of the interior throat for maximum protection, a hard chrome bore, as well as a 304 stainless steel rotor to provide a durable and cost-effective alternative to complete stainless steel.



  • Corrosion-resistant
  • Constructed with cast iron housing
  • Hard chrome plated interior machined surfaces
  • Epoxy coated on interior throats
  • Open end rotor constructed of 304 stainless steel
  • Outboard bearings with 3 polyurethane U-cup packing rings per side
  • Chain and sprocket drive with guard