They are used to close/open the bottom chute in funnel silos, side chute in funnel and flat-bottomed silos, and to close the chute in chain conveyors. They are used in technological lines that transport grain. Their advantages: simple construction, easy operation, high reliability and durability, control of the position of the plate which closes the valve/bolt. The design of the valve is adapted to the outdoors work.Depending on the type of drive, they are available in three variants: electric (screw, slatted), pneumatic (with a tension-rod), manual (with crank, screw, slatted, chain, slatted with rod).
