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Also called rotary feeders, rotary airlocks, or rotary valves the airlock is actually one component to a complete dust collection solution. Rotary airlock is the name most commonly associated with industry dust collection systems.

Rotary Airlocks

The basic use of the rotary airlock feeder is as an airlock transition point, sealing pressurized systems against loss of air or gas while maintaining a flow of material between components with different pressure and suitable for air lock applications ranging from gravity discharge of filters, rotary valves, cyclone dust collectors, and rotary airlock storage devices to precision feeders for dilute phase and continuous dense phase pneumatic convey systems. 

Rotary Valve Dust Collection 

Rotary airlock feeders/ rotary airlock valves are used in pneumatic conveying systems, dust control equipment, and as volumetric feed-controls. 

Filter Valve 

The filter valve is a low-cost solution designed for light duty dust collector applications.