mp08The MP08-34X is a 3-way, manual pull to shift, spring return, directional hydraulic cartridge valve. Operation. In its neutral position the valve blocks flow between ports 2 and 3. In the actuatedThe MP08-20X is a 2-way, manual pull to shift, spring return, screw-in, cartridge style directional hydraulic valve. Operation. In the neutral position the MP08-20X valve blocks flow from port 2