Description

Rotary Valves for Dust Extraction Systems

Rotary Valves provide controlled, continuous discharge of collected dust and material from dust collectors, cyclones, hoppers and other industrial equipment.

Also known as rotary airlock or rotary feeder valves, they use a rotating internal rotor to move material through the valve while maintaining separation between the equipment above and the discharge point below.

Airtight Solutions supplies a range of heavy-duty NRS rotary valves for dust extraction, material handling and industrial processing applications, with multiple sizes and configurations available to suit different material volumes and system requirements.

How Does a Rotary Valve Work?

Material enters the valve from the dust collector, cyclone or hopper above and falls into the pockets formed by the rotating internal rotor.

As the rotor turns, the material is carried around the valve body before being discharged from the outlet below.

This controlled movement allows collected material to be continuously discharged while the dust extraction or process system remains in operation.

Dust Collector & Material Discharge

Rotary airlocks are commonly installed beneath dust collectors and cyclones where collected dust or particulate needs to be transferred to a bin, conveyor or other downstream material handling equipment.

Maintaining an airlock between the dust collector and discharge point helps minimise unwanted air entering or escaping through the material outlet.

This makes the valve particularly useful on dust extraction systems operating under negative or positive pressure.

Heavy-Duty Industrial Construction

Airtight Solutions’ standard NRS range features heavy-duty painted construction designed for industrial applications.

Heavy-duty models are also available in painted and stainless steel finishes, along with a floating seal cast iron valve, providing options for different processes, materials and operating environments.

Range of Capacities

The NRS range includes multiple valve sizes to accommodate different material volumes and discharge requirements.

Selecting the appropriate model depends on factors including the type of material being handled, required discharge rate, operating conditions and the equipment the valve is being installed beneath.

Refer to the Technical Specifications tab for available models, capacities, motor ratings and weights.

Part of a Complete Dust Extraction System

Airtight Solutions supplies rotary valves as individual components or as part of complete industrial dust extraction and material handling systems.

They can be integrated with dust collectors, cyclones, hoppers, bins, screw conveyors and other equipment to provide a complete pathway for the collection and management of extracted material.

Our team can assist with selecting and integrating the appropriate valve for your equipment, material and system requirements.

Airtight Solutions standard NRS rotary valves are a heavy duty painted construction, suitable for use across many industries and applications. We can also offer our range of heavy duty valves in both painted finish and stainless along with our floating seal cast iron valve.

Contact your local Airtight Solutions office for assistance.