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Manual Hydraulic Pumps & Pneumatic Cylinders  
 

Manual Hydraulic Pumps & Pneumatic Cylinders

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Single Speed Pumps

Single Speed Pumps

Single - acting pumps are available with or without reservoirs and control valves.

Two Speed Pumps

Two Speed Pumps

Star two-speed Hi-Lo pumps provide rapid movement at low pressure for the part of a cylinder's stroke where no work is encountered. The pump automatically switches to high pressure when the cylinder must deliver maximum push or pull force. Changeover from high volume - low pressure to low volume - high pressure occurs automatically approximately 300 PSI. Star's unique valving allows a single 24" lever to be used for both high pressure and low pressure pumping so there is no need to interrupt pumping to move the lever to another socket. The hand operated model has a choice of screw or cam release. The foot operated model has a release pedal. Built-in reservoirs of any size may be specified. The adjustable overload will be set at the maximum pressure at the factory unless a lower pressure is specified by the customer. The overload can be adjustedby the customer in the field, if required. Also available without reservoirs.

Double Acting Pumps

Double Acting Pumps

This double acting pump delivers oil whenever the pump handle is moved in either direction. This feature provides a more even flow of oil than the single piston pump which delivers oil when the piston moves in, but no oil when it moves out.
  • Pumps oil when handle is moved in either direction
  • Compact Size
  • Whetted parts are of aluminum, bronze and stainless steel
  • 100% O-ring seals - locally available
  • Pistons ground stainless steel
  • Leakproof O-ring ports
  • Mounts on horizontal or vertical surface
  • 24" operating lever inlcuded


Manifold Mount Pumps

Manifold Mount Pumps

These pumps provide a low cost efficient means for manually developing or increasing pressure in a hydraulic system.
Whether used as the primary pump for a hydraulic system, or a standby pump for emergencies they furnish reliable hydraulic power to operate presses, valves, doors, safety locks and other devices.
They are complete pumps with suction and pressure check valves but without release and overload valve. They are made to mount in your manifold block in a standard SAE O-ring port and they eliminate the need for a costly valve body.
The handle socket is free to rotate 360° allowing the pump to be operated from any position around the axial centerline.


Stainless Steel Pumps w/o Reservoir

Stainless Steel Pumps

Star pumps with wetted parts made of brass and stainless steel are available in the following models:
  • P1A-LR-SC
  • P4A-LR-SC
  • SP1A-SC
  • SP4A-SC

The P1A-LR-SC and SP1A-SC models have one wetted brass part while the P4A-LR-SC and SP4A-SC have all wetted parts made of stainless steel. Lever handle, base plate, socket and links are not stainless steel. Select the required model.
Star will manufacture other models in stainless steel to your requirements. All models also available in 100% stainless steel.


Pumps w/4 Way Valve

Pumps w/4 Way Valve

For Use With Double Acting Cylinders
All of the P, PH and CP series pumps with reservoir are available with 4-way valves for use with double-acting cylinders. This valve allows the pump to advance or retract a double-acting cylinder at full pump pressure.


Reservoirs

Reservoirs

  • All steel construction
  • Can be ordered in any length
  • Mount horizontally or vertically


Hydraulic Jacks

Hydraulic Jacks

In a single, compact lightweight unit, Star has combined an efficient pump and durable cylinder that produces one ton lifting capacity. The model HF500 Jack is easy to operate-takes only 4 1/2 pounds of pedal force per 100 pounds of load, and it is fast acting. For each stroke of the folding pump pedal, the cylinder piston rod moves 1/2 inch. The unit has a built-in release pedal for rapid lowering, and the Jack is equipped with lugs that make it easy to mount. Star will provide any cylinder stroke length subject to the limitations shown in the specification table below.
  • Full 2000 pound lifting capacity
  • Easily operated pedal type pump-4 1/2 pounds pedal force per 100 pounds of load
  • Hard, chrome plated piston rod and pump piston
  • Release pedal for rapid lowering
  • Folding foot pedal
  • Optional overload relief valve.


Hydraulic Cylinders

Hydraulic Cylinders

STAR HYDRAULICS will build the custom cylinder to meet your special requirements - prototype and quantity.

* You can't buy the cylinder you need off the shelf.
* You aren't sure how a cylinder should be designed for your application.

For over 30 years, Star Hydraulics has provided the specialized knowledge and skill required to analyze and solve hydraulic cylinder problems.  Star builds special cylinders in any quantity (Hydraulic or Pneumatic) from a single cylinder to hundreds.

* Single or Double acting
* Telescopic
* Pressures up to 15,000 P.S.I.
* Capacities to 1500 Tons
* Bores to 24 inch
* Strokes to 20 feet
* Solid and Hole-Thru Rods
* Double rod end
* With stroke indicating devices.
* We also use a wide variety of materials to meet all operating conditions.
* Corrosive atmospheres
* Extreme heat and cold
* Special hydraulic fluids
* Special valving can also be built into your cylinder.
* Where extremely adverse environments exist, Star can design cylinders for optimum performance.

Star uses a wide variety of Materials: Steel, Brass, Aluminum, Cast Iron, Cast Steel, Bronze and Stainless Steel. Every type of Seal: O-Rings, T-Seals, U-Cups, Vee Rings and Piston Rings. In all Materials: Buna, Viton, Teflon, Urethane and Cast Iron. All Types of Plating: Chrome, Electroless Nickel, Cadmium, Zinc, plus Teflon Coating.

Special Valving can also be built into the cylinder. Where extremely adverse environments exist, Star can design cylinders for optimum performance.

Meticulous standards of design, engineering and manufacturing assure dependable cylinder performance, long life and minimum maintenance. In addition, at Star we pressure test 100% of our products before shipment.



Hydraulic Post Straighteners

Hydraulic Post Straighteners

  • Heavy-duty model for 2" pipe
  • Hi-capacity heavy-duty model for 2 1/2" pipe
One man can set-up the post straightener, pump until the post is in a fully upright position, and remove straightener in just a few minutes.
The Star post straightener is furnished complete with chain, post clamp, and pump lever bar.

Parts indicated (Stock) are available for shipping within 24 hours of receipt of order.



1 Ton (t) Foot-Operated Hydraulic Jacks

Lift Jacks

Custom Pumps

Custom Hydraulic Pumps

Star has the ability to customize standard pumps in order to match a unique customer application. Often, customization can be accomplished with components common to the standard designs, but we can also customize blocks, pistons and other design features as needed. Some of the more common customization features are listed below.

Items that can be added:
  • 4 way valve
  • Sight glass
  • Gauges
  • Carrying Handle
  • Valves, fittings, clamps, hose


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Parts and Service

At Star Hydraulics, we design and build our pumps builds with heavy duty materials so that they can withstand extensive use in some of the toughest environments. Our pumps are often used in critical applications and must work when called upon. However, even with robust designs and high quality components, since the piston and piston packing materials must be in motion for a pump to work, there will be some wear and tear on some of the pump components.

Over time, it may become necessary to replace some of the piston packing materials such as springs, seals and wipers. At Star, we have designed our pumps to make it easy for our customers to replace these items while in application. We have set-up standard seal kits and repair kits and ...


Wire-Line Oil Saver Piston Pumps

Wire-line Pumps

These MK1728 Single-Piston pumps are specially designed and manufactured for use in wire-line oil saver applications on oil rigs. These pumps include a pressure release valve controlled with an easy access metal release knob. These solid, heavy-duty manual pumps have a built-in 160 cu-in reservoir.

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Star Hydraulics, Inc. | Custom Hydraulic Cylinders, Jacks and Pumps