round type pneumatic flashboard valve is a main equipment for Powder, grain materials, small particles.its feature: Simple structure, flexible operation, light weight, no jam.it is specially suitable for  solid materials (50mm)it can adjust dimensions.

type pneumatic flashboard valve can be divided into One-way pneumatic flashboard valve, bidirectional pneumatic flashboard valve, round type flashboard valve,square type flashboard valve
feature

It is with Simple structure, flexible operation, light weight, no jam, cut off quickly. It is the ideal equipment to transport or adjust non-glutinosity solid powder, smallgrain and crystalloid material. It is Cylinder driving operation,it can be with Pneumatic FRL.
 working principle：

It is composed of Framework, ] flashboard, cylinder, nut and so on.