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Without Oil Reservoir
Without Adjustable Overload Relief Valve
Without Manual Pressure Release Valve


These pumps, either base or flange mounted style, have only check valves. They have no reservoirs, overload relief, or release valves, and are used on equipment that has its own reservoir and control valves. These pumps provide a low cost efficient means for manually developing or increasing pressure in a hydraulic system. In emergencies they furnish reliable hydraulic power to operate presses,

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Unit of Measure

Specifications

Mounting

Flange Mounted

Series

SP-PL

Oil Reservoir

false

Adjustable Overload Relief Valve

No

Manual Pressure Release Valve

No

Body Material

Steel

Piston

Hard Chrome Plated
Maximum Pressure Rating1 1000 psi

Piston Diameter

1 1/2 in

Volume per Stroke

2.65 inĀ³

Lever
Load per 100 PSI

11.0 lb
Inlet Port Size (NPTF)2 3/8

Outlet Port Size (NPTF)

3/8

Net Weight

10 lb

Operating Lever Size

24 in

Technical Information

N/A Limited Warranty

      All Star pumps are covered by a limited warranty on materials and workmanship for one year from the date of manufacture. Star will repair or replace at its option any pump in which Star finds manufacturing defects. In order to get warranty service a pump must be returned to the Star plant freight prepaid with a written explanation of the problem.


Technical Data

      Light hydraulic oil is recommended for use with Star pumps. Oils with SUS viscosity of 75 to 150 at 100 degrees Fahrenheit will give satisfactory performance (ISO grade 15, 22, or 32). In an emergency situation when the above oils are not available, use 5 W or 10 W motor oil or automatic transmission fluid.

    All exposed surfaces of standard Star pumps are painted with one coat of industrial quality paint. Pumps painted with special colors with two coat finishes, or with prime coat only, and pumps with special plated or polished parts, are also available.

  • 1 These pumps have no overload relief valve and will exceed maximum rated pressure if too much force is applied by the operator. System designer must provide overload relief protection for system if required.
  • 2 PL Pumps do not have threaded inlet ports. They must be gasket mounted to reservoir.