Abstract: The invention relates to a hydraulic valve assembly having a cartridge insert valve in a bore hole designed in a valve block and connected to the flow channels arranged in the valve block comprising a valve sleeve inserted in the bore hole and a closing member guided into said sleeve, wherein the valve sleeve forms a valve seat for the closing member in the closing position thereof and the closing member can be moved by means of a connected hydraulic pre-control between the closed position thereof seated on the valve seat and separating the flow channels from one another, and an opened position pushed into the valve sleeve, and the bore hole is sealed tight by the cartridge insert valve inserted the rein via a valve cover connected to the valve block.