Sdv40-A88A 1800Psi-Sv7-Dv7-Tr88 Inlet Sae 16 Ports At Side & Top With Mrv Installed Preset At 1800Psi Adjustable Form 800 - 2500Psi 1St Section S/A Cylinder Spool Metering Air Shift Spring Return Sae 12 Ports 2Nd Section D/A Cylinder Spool Metering Air Shift Spring Return Sae 12 Ports Tank Return Outlet Sae 16 Ports At Side & Top