The Heavy Duty Airlock is designed for feeding and sealing of product streams where a pressure difference exists. Developed to handle a variety of free flowing materials this unit can operate under a 15 PSI pressure differential at upto 500 F. Options packages can allow operation up to 1000 F. Available in cast and stainless steel this unit can be drilled for either a square or round inlet without modifications to the housing. The rotors are available in a variety of configurations to allow for the unit to be optimized for the application. Available is 6″, 8″, 10″, 12″, 14″ and 16″ sizes.