Drill several holes in a certain arrangement on the tray, and place valve plates that can float up and down in the direction of the hole axis above the holes. The valve plate can automatically adjust its opening degree with the change of rising air volume. Simple structure, high production capacity, flexible operation, high board efficiency, it is a board type with excellent comprehensive performance.
Type: F1 type float valve, cross shaped float valve, directional float valve, JCV float valve tray, etc.
