Sdv70-A44A2-Hda491(2500)-Tr55 Inlet 1 Npt Ports At Side And Top With Mrv2 Installed Preset At 2500Psi. 1 Section, Hi-Boy, D/A, Cylinder Spool, Spring Return, 1 Npt Ports. Relief Port A Plugged, Port B Relief Valve With Anti-Cavitation Preset At 2500Psi. Outlet 1-1/4 Npt Ports At Side & Top.