The Enerpac P-51 single-speed, steel hydraulic hand pump is for lifting, bolting, or applying pressure in intermittent and non-repetitive construction, manufacturing, and maintenance and repair applications. The hand pump can advance and retract a single-acting cylinder or power a hydraulic tool (sold separately) and can hold a load. It has an internal pressure relief valve that helps protect the pump from overload. This single-speed pump is for applications where there is a constantly applied load. It can be operated in either a horizontal or vertical orientation. The all-steel construction makes this pump more durable than lightweight hydraulic hand pumps. It has a built-in handle for carrying the pump between locations. The pump has 3/8" National Pipe Taper (NPT) 1/4" threads ports for connecting to a hose or gauge (sold separately). Specifications Pressure rating 3000 pounds per square inch (psi) Oil displacement, per stroke, first stage 0.25 cubic in. Usable oil capacity 50 cubic in. Maximum handle effort 61 lb. Weight 12 lb. Dimensions 6.31 x 26 x 3.63 inches (H x W x D) H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from back to front.Hydraulic pumps lift, bolt, or apply pressure to objects by pressurizing and moving hydraulic fluid. A hydraulic pump consists of a base, a reservoir that holds hydraulic fluid, and an operating mechanism, such as a handle or foot pedal, an electric motor, compressed air, or a gasoline engine. When the operating mechanism is activated, pressurized hydraulic fluid from the reservoir is delivered through an attached hose to a hydraulic cylinder. The pressurized hydraulic fluid in the cylinder lifts the cylinder’s piston, which in turn lifts the load. Hydraulic hand pumps are usually made of steel, or aluminum and nylon, and can be single-speed or two-speed. They are used in a wide range of applications, such as construction, manufacturing, and maintenance and repair applications in both industrial and home settings. Enerpac manufactures industrial hydraulic equipment for lifting, workholding, and other applications, and provides integrated lifting solutions for bridge construction, mining, shipbuilding, and other industries. The company, founded in 1959, is headquartered in Menominee Falls, WI.
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