Carolina Conveying offers three types of heavy-duty rotary airlocks: Drop Thru, Blow Thru, and Side Entry. All units come standard with regreasable bearings, helical gearboxes, predrilled body vents, and predrilled air purge connections. These valves are rated up to 20 psi pressure differentials, and units are available for temperatures in excess of 1000°F. All units feature large rotor shafts with thick beveled blades as standard. Numerous options are available to meet all application requirements. Carolina Conveying Inc., Canton, NC 828-235-1005 www.carolinaconveying.comCarolina Conveying Inc.