Hitech Bulk Handling System Pvt. Limited manufactures Round type Rotary Air Lock. Hitech Bulk Handling System Pvt. Limited offers a wide range of Conveyors, Truck Loading Machines, Elevator, Crushers, Screening and Pneumatic Equipment and material handlings systems. The Round type Rotary Air Lock is suitable for use in equipments handling bulk powders, granules or smaller pellets. Round type Rotary Air Lock is available with rotors of various sizes and has inlet throat specially designed for good product feeding. The Round type Rotary Air Lock comes with heavy-duty shaft drive to ensure minimum deflection and comes with high load carrying capacity and in durable industrial finish.