... resistance, wear resistant 3. High feed uniformity Working PrinciplesThe Star-shaped Unloader also named Rotating Feeder Equipment or Airlock, with several ... the material such as Cast Iron, Cast Steel, Stainless Steel, Titanium Steel and the flange connector has square and circuit types ... ,cement,pharmacy,iron and foodstuff. LHX/Y Type Star-shaped Unloader,tripper,rotating feeder,discharg valve