what is a double acting hydraulic pump in stock

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.

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.

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.

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.

This hydraulic pump is widely applied to dump trailers, dump trucks, RV"s, boat lifts, lift gates, tow trucks, wreckers, car haulers, agriculture equipment, snow plow equipment and a variety of other applications that require a powerful and compact hydraulic pump, a perfect replacement pump for 12VDC controlled hydraulic systems.

The dump trailer hydraulic pump is a double acting electric hydraulic pump. It provides rapid lifting and lowering with its super power and large capacities.

This hydraulic power unit with 10 Quart Metal Reservoir, featuring hand-held pendant with 20-foot removal cord and start solenoid. Capable of quick oil output.

High quality starter ensures long service life and a fast starting each time. The standard duty 12V DC motor is built to last. It can work excellent, not crack or leak even in a harsh environment.

The weight of a car is heavy, and it is very difficult to lift a car by muscle power alone, let alone to repair it while suspended in the air. This is the reason why hydraulic systems exist. When you want to work with dump trucks, RVs, boat lifts, lift gates, etc., a hydraulic pump is a must-have tool that allows you to easily complete jobs that are difficult to reach with human power. For some light work, we recommend choosing a 12 volt hydraulic pump, which is a tool of both size and power. Then before buying you"d better choose the type of hydraulic pump you need according to your needs. Next I will give you information about hydraulic pumps you should know.

A hydraulic pump is a machine that works with liquid fluid power, using an incompressible fluid, usually a derivative of petroleum and additives, as the working fluid to convert mechanical energy into hydraulic energy. Should hydraulic pumps be non-sparking due to potentially explosive environments? Keep in mind that most operating fluids are derivatives of petroleum, but there are non-sparking options available. Fluid selection should be determined by the operating environment/temperature.

This hydraulic energy can make a relatively small device very powerful and versatile. In the automotive industry, hydraulic pumps are used in combination with jacks and engine hoists to lift vehicles, platforms, heavy loads and pull engines. They can also be used in production facilities for conveyors, mixers, forklifts, etc.

Electric hydraulic pumps are generally divided into single-acting and double-acting. The most obvious difference is the number of couplers or connection ports. Single-acting hydraulic pumps include only one port. This port is where the hydraulic fluid is allowed to enter and force the plunger to extend in one direction. Double-acting hydraulic pumps have two such ports. The difference is that the first port is where the "push" (extension) hydraulic hose fitting will connect, and the second port is where the "retract" hydraulic hose fitting will connect.

When high pressure hydraulic fluid is pumped into a hydraulic pump, the plunger in the single acting hydraulic cylinder extends. When the cylinder needs to be retracted, depending on the cylinder design, the plunger is retracted by either a load weight or a built-in spring. Single-acting hydraulic pumps have fewer components and less potential for error, which facilitates maintenance of the hydraulic pump. Single-acting is ideal for this simple task when fast or controlled retraction is not required.

In a double-acting hydraulic pump, the plunger retracts as the hydraulic fluid is pumped into the top port at high pressure, forcing the plunger back to its original position. The double-acting principle of operation enables hydraulic oil to be pumped to both sides of the plunger. Connection ports located near each end allow the piston rod to move back and forth. The additional ports also allow for more fine control of the plunger during retraction. Faster and predictable retraction makes double-acting hydraulic pumps a better choice for projects requiring repeatable accuracy.

For lightweight applications, such as rear fender lifts on commercial passenger vehicles, where a low power output is required, a 12v miniature hydraulic power unit is a good choice because the 12v motor can be connected to a standard vehicle circuit for the rear fender lift function. There are other application scenarios such as dump trucks, RVs, boat lifts, lift gates, trailers, clearance trucks, car porters, agricultural equipment, snow plow equipment, and a variety of other applications that require powerful and compact hydraulic pumps.

A hydraulic power unit, or HPU for short, consists of four main components: a prime mover (either an engine or electric motor), a pump, a valve, and a reservoir. Each of these componets are constructed together and form the main component in a dump trailer?s hydraulic circuit. Together, these components provide the flow (movement) that the system needs to operate. Bailey International, LLC offers complete HPU solutions including accumulators, auto hoists, battery chargrse, breathers, double acting units, hand pumps, pumping stations, reservoir tanks, dock levelers, single acting units, strainers and snowplows.

Our power units are some of the most reliable and durable units in the industry for use with dump trailers, dump trucks, RV"s, boat lifts, some liftgates, tow trucks, wreckers, car haulers, agriculture equipment, snow plow equipment and a variety of other applications that require a powerful and compact hydraulic pump. If considering this item for your liftgate, please call to verify compatibility.

Get the most with your hydraulic power unit by upgrading to ourDeluxe Kit. Select theDeluxe Kitoption to include a hydraulic hose and fittings kit with your purchase.

Enerpac C-604, Parker 3000 Series, Safeway S30 Series, Stucchi IVHP Series, Perfecting T Series, Snap Tite 76 Series, Dnp PVM Series, Faster PVVM Series

Push Button Stop/ Start, Lever Valve Action - Control lever forward: Pump into hose A, Returns to reservoir on hose B. Control lever neutral: Returns to reservoir on hose A and B. Control lever backward: Pump into hose B, Returns to reservoir on h

The ordering and shipping was easy. Showed up in just a few days. I bought this one because it says it’s rebuildable components. Hoping I don’t need that but it’s nice to have. I’m a little disappointed in the plastic coverings on the motor. Would like to have seen metal because it’s in a metal shop setting. The valve handle hits the pressure gauge in the far right hand position. Overall I think it’s going to serve it’s purpose well. I’m using it on a 20 ton shop press.

I ordered this approximately one month ago and received it within 5 days. Hook up to my project was easy and where I had a technical question I received a quick response from TEMCo. Owner"s / Operator"s manual could be considerably improved which is the reason I"ve not given more stars..

At The Trailer Parts Outlet, we provide the best information available about our product. We take quality seriously so you can have the right part first time around. If something is missing or if you need help with anything at all just let us know.

This dump trailer hydraulic power is ideal for dump truck/trailer or tipper applications. The heavy-duty 12-volt motor operates a double-acting cylinder to deliver the power and performance you need.

There’s been some confusion as to how to configure and use either system effectively without causing damage to the equipment, load, or to the user. Some of this confusion results from misunderstanding the difference between single-acting or double-acting cylinders and being unsure of when either should be used. Hopefully, we can clear the air in this department.

A pump, a hose, and a cylinder round out the basic setup of a hydraulic system, often times referred to as a port-a power. Without each of these components, this system cannot be operated at all.

A single-acting cylinder is one in which the hydraulic fluid performs on just one side of the piston only. Since hydraulic oil does not compress, when applying force via a hand, electric or gas powered pump, the piston rod of the cylinder will extend. More specifically, the pump forces oil into the hose which flows into the bottom connection port of the cylinder, resulting in the ability for pushing, tensioning or jacking applications. The single-acting pump and cylinder are both equipped with one connection port at the lower portion of the cylinder body, for the oil to both advance the piston rod, and when retracting it, allow the oil to flow back into the reservoir of the pump. Many of the single-acting cylinders have springs built in to assist in the retraction process, but if not, they may be a bit more challenging to retract. The pump that you select also plays a role in the retraction process. Some manufacturers have pumps that will pull the oil back into it, rather than allow it to just flow back into the reservoir. The last consideration in selecting either single or double-acting, is whether the cylinder is considered a load-return type. Meaning, that in order for retraction to occur, the load, or a significant force is required, in addition to the pump for it to retract completely. So be careful, if you have an application that requires several complete stroke cycles, such as a jack and crib operation, you will likely want a double-acting cylinder for that task. Most single-acting cylinders are more commonly-used in light industrial and commercial applications. This of course is not an exclusive list, but the majority of single-acting cylinders in use today tend to be on the lower end of the capacity spectrum.

On the other hand, the double-acting cylinder is one in which the hydraulic fluid performs on both sides of an apron portion of the piston. The double-acting pump and cylinder are both equipped with two connection ports; one at the lower portion, the other at the top portion of the cylinder body. This system requires hoses for each port. When advancing the piston rod, oil flows in through the lower connection port. When you have achieved your desired pressure or stroke requirements, putting the pump in the neutral position will hold the cylinder at that resting point, until it is time to either continuing to advance, or when you would begin retracting operations. Double-acting cylinders are more commonly-used in heavy industrial and construction applications, such as lifting bridges to perform bearing maintenance. The majority of double-acting cylinders in use today tend to be on the higher end of the capacity spectrum.

This is a meant to act as a quick guide in the selection of cylinder types. Always work with the proper qualified sources to help select the capacity and type most suitable for your project.

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A self-contained high-pressure hydraulic pump, with manual operation. It is equipped with a 4 HP Briggs & Stratton engine. A four-way valve controls the hydraulic fluid direction for the advance and retracts modes. One double-acting tool can be operated or two single-acting tools at one time. Connection to one port for single acting tools will work since the control valve will dump the fluid when shifted to the retracted position. The pump is very compact and comes with carrying handles.

VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.

VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.

This hydraulic pump is a double-acting power unit for both lifting and lowering. It has a 3-quart sturdy plastic reservoir and is designed with a 12V DC motor that can provide strong power for hydraulic systems like dump trailers, forklifts, lifting platforms, etc.

This double-acting hydraulic power unit has a 12V DC motor (Power:1.6-3.0kw) and a 3-quart plastic reservoir; it has SAE#6 ports with 3200 PSI max relief setting on A and 1500 PSI on B port. Rated speed: 2850 r/min.

Our hydraulic electric pump has been fully assembled. It comes with a hand-held remote control and 4 SAE#6 connectors. The whole power unit is easy to wire and easy to operate.

With the powerful 12V DC electric motor, our hydraulic pump for dump trailers can start rapidly and provide quick oil output. In addition, it can provide strong power that will lift heavy objects in a short period.

You can rely on the quality of this electric hydraulic pump as it is made of special-treated sturdy plastic, and the whole structure has been reinforced. It is also equipped with a powerful electric motor that you can use as often as you like.

All of our 12-volt hydraulic power units have been pre-assembled before delivery, and we provide instructions for operation so that you can install and use the hydraulic pump easily. Horizontal mount is recommended.

As a great power unit, this hydraulic pump can be used for many things, such as truck tailgate lift, RV leveling, scissor lift, dump trailers, lift truck, snowplow, aerial platform, road signs, material handling, wheelchair lifts, etc.

KTI is a leader in Hydraulic Power Unit Manufacturing. They are well known for their Top Quality Construction and Building Units that have Low Noise Emissions.

All KTI hydraulics power units are 100% fully inspected to stringent test specifications. The tests ensure our customers they will receive a reliable, high-quality dump trailer power unit that will perform to our design specifications. KTI hydraulic pumps include a 2-year warranty.