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 foot 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 provides several standard stroke lengths, but custom lengths are also available subject to the limitations shown in the specification table below.

Features:

• Full 2000 pound lifting capacity
• Easily operated pedal type pump
• Hard chrome plated piston rod and pump piston
• Release pedal for rapid lowering
• Folding foot pedal
• Top-of-stroke Relief Valve to prevent over-extension
• Optional overload relief valve

Specifications:

• Maximum stroke with 2,000 lb. load with no eccentric loading
• Cylinder and rod pinned ends - 25" stroke maximum
• Cylinder fixed and rod guided - 40" stroke maximum
• Minimum stroke length - 4"
• Force required on pedal = 4.5 lbs. per 100 lbs. of load
• Piston rod travel per pump stroke - 1/2" stroke
• Custom stroke lengths are available

Lift Jacks with Overload Relief Valve:

• Will prevent extension of rod if applied weight is above the overload value
• Overload relief valve - factory set overload value
• To order this part, add "-RV" to the part number (i.e: HF500-12in-RV)

Typical Custom Modifications:

• Custom stroke length
• Compact pedal
• Foot pedal tread plate
• Rod thread type
• Special paints available for food and medical applications
• Paint color
• Special mounting holes and slots
• Special Piston materials
• Soft seat release

Specifying Customization:
Star's customer service and engineering personnel will assist you with customization that is required. Whether we receive your drawing and specification or provide one to you, we strive to meet your special requirements as quickly and efficiently as possible.

In a single, compact unit, Star has combined an efficient pump and durable cylinder that produces 2 tons of lifting capacity. The model HF600 Jacks is easy to operate-takes only 1 1/2 pounds of pedal force per 100 pounds of load, and it is fast acting. For each stroke of the folding pump foot pedal, the cylinder piston rod moves 3/16 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 provides several standard stroke lengths, but custom lengths are also available subject to the limitations shown in the specification table below.

Features:

• Full 4000 pound lifting capacity
• Easily operated pedal type pump
• Hard chrome plated piston rod and pump piston
• Release pedal for rapid lowering
• Folding foot pedal
• Top-of-stroke relief valve to prevent over-extension
• Optional overload relief valve

Specifications:

• Maximum stroke with 4,000 lb. load with no eccentric loading
• Cylinder and rod pinned ends - 22.5" stroke maximum
• Minimum stroke length - 4"
• Force required on pedal = 1.5 lbs. per 100 lbs. of load
• Piston rod travel per pump stroke - 3/16" stroke
• Custom stroke lengths are available

Typical Custom Modifications:

• Custom stroke length
• Foot pedal tread plate
• Rod thread type
• Paint color
• Special mounting holes and slots

Specifying Customization:
Star's customer service and engineering personnel will assist you with customization that is required. Whether we receive your drawing and specification or provide one to you, we strive to meet your special requirements as quickly and efficiently as possible.

In a single, compact lightweight unit, Star has combined an efficient pump and durable cylinder that produces one ton lifting capacity. The model HF500 stainless steel 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 foot 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 provides several standard stroke lengths, but custom lengths are also available subject to the limitations shown in the specification table below.

Features:

• Full 2000 pound lifting capacity
• Easily operated pedal type pump
• All exposed surfaces made of stainless steel
• Release pedal for rapid lowering
• Folding foot pedal
• Top-of-stroke relief valve to prevent over-extension

Specifications:

• Maximum stroke with 2,000 lb. load with no eccentric loading
• Cylinder and rod pinned ends - 21" stroke maximum
• Cylinder fixed and rod guided - 36" stroke maximum
• Minimum stroke length - 4"
• Force required on pedal = 4.5 lbs. per 100 lbs. of load
• Piston rod travel per pump stroke - 1/2" stroke
• Custom stroke lengths are available

Typical Custom Modifications:

• Custom stroke length
• Rod thread type
• Special mounting holes and slots

Specifying Customization:
Star's customer service and engineering personnel will assist you with customization that is required. Whether we receive your drawing and specification or provide one to you, we strive to meet your special requirements as quickly and efficiently as possible.

Now One Man Can Safely Straighten Even The Most Badly Bent Post With A Single Set-up

• 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.

*Clamp QH550-5-1 is not recommended for use with straightener Model No. QH525-2

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 foot 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.

TO ORDER:

• Add stroke and, if desired, optional overload relief valve to basic model number:

Examples:

• HF500-30 is a 30" stroke unit without overload relief valve.
• HF500-25-RV is a 25" stroke unit with overload relief valve.

Specifications:

• Load capacity - 2000 lbs.
• Force required on pedal = 4 1/2 lbs. per 100 lbs of load.
• Maximum stroke with 2000 lb. load and no eccentric loading
    Cylinder and rod with pinned ends - 25" stroke maximum
    Cylinder fixed and rod guided - 40" stroke maximum
• Minimum stroke with pedal return spring - 9"
• Piston rod travel per pump stroke - 1/2"
• Weight: 8 1/2 lbs. 0" stroke - add 1/2 lb. per inch of stroke.

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

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

Design and Engineering Capability : For over 50 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 and pneumatic, from a single cylinder to hundreds.

• Single or Double Acting Cylinders
• 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.

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 shipping to assure you of a properly functioning cylinder ready to be used in your application.

If the cylinder you require for your application can't be purchased "off the shelf", click on the "Request Information" button and fill out the specification form.

Can't buy it off the shelf? Star Hydraulics can design and/or manufacture the custom hydraulics parts you need. One such part is a swivel joint, like the one shown here. Star hydraulic swivels are integrated into heavy machinery applications with rotating platforms.