Overview
A Rotary Feeder is an industrial device designed to control the flow of bulk materials from one process to another in a regulated manner. It is commonly used in pneumatic conveying systems, dust collection systems, and material handling applications to feed material into a system while maintaining an airlock to prevent pressure loss.
What is a Rotary Feeder?
Also known as a rotary valve or rotary airlock valve, a rotary feeder consists of a rotor with multiple vanes housed inside a casing. As the rotor turns, it moves material from the inlet to the outlet in a measured and controlled flow, while maintaining a seal between different pressure zones.
Precise control over material flow rate
Maintains airlock between different pressure zones
Suitable for powders, granules, pellets, and flakes
Heavy-duty construction for durability
Available in various sizes and configurations
Easy to integrate with pneumatic conveying or dust collection systems
Bulk materials enter the feeder through the inlet.
The rotating vanes trap and move a consistent volume of material.
Materials are discharged through the outlet port at a controlled rate.
The rotary feeder maintains a pressure differential, preventing air or gas leakage between systems.
Parameter | Typical Range |
Rotor Diameter | 100 mm to 600 mm |
Number of Vanes | 4 to 12 |
Material Compatibility | Powders, pellets, granules |
Construction Material | Stainless Steel, Carbon Steel |
Operating Temperature | Up to 200°C (varies by model) |
Drive | Electric motor, variable speed |