Check the listing for details. Hydraulic piston hand pump with valve for double acting cylinder 2.7 CID 2 quart. Condition: New. Listed at 165.90 USD. Hydraulic piston hand pump with changeover valve for double-acting cylinder 2.7 CID ---CID/Rev: 2.7 ---Pressure: 3600 PSI ---Piston Action: Double Function ---Working Ports: 3/8" NPTF ---2-quart Steel Vertical Tank ---21" Steel Handle Included ---Tank has four mounting holes 0.3" --- Durable Cast Iron Monoblock Body Hydraulic piston hand pump double-acting function with double-acting changeover valve for a double-acting cylinder. Heavy-duty hydraulic hand pump manually operated. A hydraulic hand pump converts mechanical energy into hydraulic energy (a combination of pressure and flow) by delivering hydraulic fluid under pressure through directly applied manual effort. Hydraulic hand pumps are commonly used to load and test machinery components, materials handling machinery, and for raising and lowering heavy objects.