NiHard Body Airlocks

The Type 6 airlock is constructed withstand the most abrasive of materials. The housing is constructed with rugged NiHard steel, a closed end rotor constructed of A36 carbon steel, and Stellite on wear surfaces. The Type 6 is designed to perform with the toughest of materials.



  • Super abrasion-resistant design
  • Cylinder constructed of cast NiHard
  • Closed end rotor constructed of carbon steel with Stellite on wear surfaces
  • Outboard bearings with 3 polyurethane U-cup packing rings per side
  • Chain and sprocket drive with guard
  • Supplied with black neoprene open cellsponge rubber flange gaskets