... -moving equipment, pneumatic conveyor. Product Rotary valve Product catalogue:Bulk Handling Valves Product introduction Rotary valve is specially designed as sealed ... feeding device for powder and granule. Feature 1. Anti-blocking design, no vibration, no product destruction, high efficiency 2. Solid ... Industry,Construction Industry,Foodstuff Industry. Model No.:DN60-DN600 Rotary Feeder/Rotary valves