Rotary Air Lock/ Vane Feeder is used in pneumatic conveying system to maintain an even flow of material and also to hold pressure or vacuum in the system. The Vane Feeder offers controlled flow of powder and granules due to its sturdy construction. The Vane Feeder is widely used in silo bin and hopper for volumetric feed and discharge. Rotary Air Lock/ Vane Feeder finds application in various industrial sectors.