REMARKABLE APPLICATIONS DOCUMENTATION Hydraulic ramHydraulic version with double way hydraulic ram. Conic-vertical gateStem and chisel are jut one unique piece. Chisel made of bronze or resin. Cleaning rampFor the evacuation of stones, sand... Position sightOptional. It shows the position of the gate valve. Pneumatic ramPneumatic ram with two flow regulators. From 4 to 12 bar pressure operation.