All spools are standard double acting with spring return to neutral position which are ideal for double acting cylinders. Used for open center systems (Pump to Tank Flow). Anti-drop load checks on each spool. Adjustable Relief Valve Range: 1500 to 3625 PSI.Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva. The item "Caterpillar Komatsu Monoblock Hydraulic Directional Control Valve, 6 Spool NEW" is in sale since Saturday, April 6, 2019. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Valves". The seller is "express4less" and is located in Overland Park, Kansas. This item can be shipped to United States.