single directional or double directional spiral gate

  The valve has simple structure, flexible operation, light weight, and no jamming. It is especially suitable for the transportation and flow adjustment of various solid materials and about 50mm block and lump materials. The installation is not limited by angle, and the operation is convenient.It can adjust the opening at any time. This valve is a main control device for the flow or conveyance of powder, grain material, granules and small pieces of material. It is widely used in metallurgy, mining, building materials, food, chemical and other industries to control the flow rate change or quickly cut off.     Main shape and connection size: Single and double spiral gate main shape and connection size table:   All unloading valve products can be customized. Including： Electric unloading valve Pneumatic unloading valve Hydraulic unloading valve Electric And Hydraulic unloading valve Manual unloading valve