mp08The 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 2MP08-30 Manual, Spring Return, Pull-to-Shift DESCRIPTION A 3-way, manual, pull-to-shift, spring-return, directional hydraulic cartridge valve. Series operation is prohibited due to