Heavy Duty Extra Tough Airlocks

Heavy Duty Extra Tough (HDX) Drop-Thru rotary airlocks provide reliable service in high pressure, high temperature and other severe service conditions.



The valves can be used in various industries such as food, plastics, chemical, asphalt, mining, baking, cement and paint. The HDX Series valves feature outboard bearings, which are permanently sealed and lubricated to ensure protection from contamination and withstand high temperatures and pressure differentials to 15 PSI. The valves are available with square or round flanges; replaceable packing rings and larger shaft diameters than competition. Cast Iron, 304SST, 316SST and Ni-hard construction available.