single vs double acting hydraulic pump quotation

Double-acting hydraulic cylinders have pressure flowing from two ports. One of the ports is where the “advance” hydraulic hose fitting connects to. The hydraulic power of the pump causes the cylinder to extend through that first port. Attached to the second port is the “retract” hydraulic hose fitting. The double-acting hydraulic cylinder uses hydraulic power to extend and retract the cylinder. Force is generated in both directions, unlike the single-acting cylinder that produces force in only one direction. This gives the cylinder the ability to both push and pull.

Pressurised fluid alternates between both sides of the piston, creating the push and pull forces that move the piston rod. The application in which these hydraulic cylinders are installed has more control over its movement. Different levels of movement are achieved by using 2-, 3-, or 4-way position valves.  Double-acting hydraulic cylinders are used in mobile applications like the boom of a TLB or to control the steering in an excavator.

Hydraulic cylinders provide the unidirectional force required to power your industrial equipment for heavy lifting. Telescopic hydraulic cylinders, which are ideal for dump trailers and platform truck trailers, give the extended stroke lengths required for a range of versatile purposes. When purchasing telescopic hydraulic cylinders, consumers are frequently faced with the decision between single-acting and double-acting hydraulic cylinders. Learn what distinguishes the two types of telescopic cylinders to determine which cylinder is appropriate for your high-power hydraulic requirements.

The hydraulic cylinder is the industrial world’s workhorse. Learn about the benefits and drawbacks of single and double-acting hydraulic cylinders. The function of your cylinder decides whether you should choose a single-acting or double-acting hydraulic cylinder.

Single-acting cylinders generate force exclusively in one direction, whether it is a push or pull action. These are also referred to as “plunger” cylinders. They are utilized in lifting operations where hydraulic pump pressure stretches the hydraulic cylinder and a mass or spring retracts it. Single-acting cylinders contain only one port through which the hydraulic pump’s pressurized oil passes. This causes the piston to extend in one direction, compressing the piston’s spring. After releasing the air via the cylinder port where it entered, the spring or associated mass will retract the piston rod.

Single-acting cylinders are classified into two types: push and pull cylinders. The push-type, as the name implies, will allow the air entering to push the piston out of the cylinder. The pull-type hydraulic cylinder allows the oil entering the cylinder to pull the piston inside the cylinder. For one-way linear movement, single-acting cylinders are ideal. They are commonly seen in hydraulic jacks and forklifts.

The lower manufacture, installation, and repair costs of single-acting hydraulic cylinders are an advantage. With only one port to operate instead of two, both piping and valve costs are significantly reduced.

The spring mechanism in single-action cylinder interiors necessitates venting, which provides the unit with an outlet to the outside world. Particles, on the other hand, can enter the cylinder and create potential malfunctions or a slow loss in performance if not adequately monitored.

Single-acting hydraulic cylinders are ideal for use with smaller equipment due to their single port and compact structure. Most of the time, if a smaller equipment design allows for ports, fluid transmission, and venting, then this cylinder will be extremely suitable.

Pressure flows from two ports in double-acting hydraulic cylinders. The “advance” hydraulic hose fitting connects to one of the ports. The pump’s hydraulic power forces the cylinder to extend via the first port. The “retract” hydraulic hose fitting is connected to the second port. Hydraulic power is used to extend and retract the cylinder in a double-acting hydraulic cylinder. In contrast to the single-acting cylinder, which produces force in only one direction, force is generated in both directions. As a result, the cylinder may both push and pull.

The piston rod moves due to the push and pulls forces created by the pressurized fluid that alternates between both sides of the piston. These hydraulic cylinders have more control over their movement in the application where they are installed. Using 2-, 3-, or 4-way position valves, different levels of movement can be produced. Double-acting hydraulic cylinders are utilized in mobile applications such as a TLB’s boom or to control the steering of an excavator.

Though this hydraulic cylinder is not appropriate for small places, double-acting hydraulics are extremely versatile. Two ports provide hydraulic power in both directions and are readily operated with a push-and-pull motion. As a result, they are the most popular hydraulic cylinder.

Unlike single-acting variants, double-acting cylinders are sealed from the outside world. As a consequence, you will not require repairs as a result of particles invading inside pipes and valves.

Precision work that needs hydraulic pistons to stop at specific lengths regularly can stretch and deform the hydraulics over time. However, double-acting hydraulic cylinders are constructed with exact, very precise dual ports, enhancing the product’s longevity.

The choice between a double-acting and a single-acting cylinder is frequently a matter of control. How precisely do you need to be while exerting force in your hydraulic system? A single-acting cylinder may be sufficient if you need to produce a large force to move a load in a single direction, such as in heavy lifting applications. However, if you need to direct a load in two directions or have more control over the cylinder’s movements, a double-acting cylinder will provide you with more control.

When deciding to purchase telescopic hydraulic cylinders, buyers are often tasked with choosing between single-acting and double-acting hydraulic cylinders. Learn what differentiates the two telescopic cylinder types to see which cylinder is best for your high-power hydraulic needs.

Offering a simple cylinder design with easy maintenance, single-acting hydraulic cylinders extend by relying on pressure from one side of the piston. The cylinders retract via gravity or weight of the load.

Double-acting cylinders provide more versatility than single-acting cylinders. Single-acting hydraulic cylinders have fluid pressure applied on one side of the piston, whereas double-acting cylinders have hydraulic fluid applied to both sides of the piston.

Know what you need? Check out our replacement telescopic hydraulic cylinders. We stock a wide selection of cylinders, well-suited for a variety of mobile equipment types and functions. We also manufacture custom telescopic cylinders built to spec.

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.

When comparing single-acting vs double-acting hydraulic cylinders, the most visible difference is the number of couplers or connection ports. A single-acting hydraulic cylinder includes just one port. This is where the hydraulic fluid enters and forces the plunger out in one direction. A double-acting cylinder includes two ports. One for the hydraulic fluid to enter and extend the plunger, and the other for retracting the cylinder.

The plunger in a single-acting hydraulic cylinder extends when hydraulic fluid under high pressure is pumped into the cylinder. When it is time to retract the cylinder, depending upon the cylinder design, the plunger can be retracted using a return spring, by the load, or simply by gravity.

In a double-acting hydraulic cylinder, the plunger retracts when hydraulic fluid is pumped under high pressure into the top port, forcing the plunger back to its original position. This can be done quickly, if required, or very gradually with precise control.

The single-acting cylinder is simpler than its double-acting counterpart. With fewer components, there is much less to go wrong, which is good news when it comes to maintenance.

Single-acting cylinders are ideal for straightforward jobs – especially when fast or controlled retraction isn’t essential. Hollow plunger versions including a thread are also available to handle pulling applications.

Double-acting hydraulic cylinders have the ability to pump hydraulic fluid to both sides of the plunger. Connection ports positioned near both ends allow the piston rod to move both forwards and backwards. The extra port also allows more control of the plunger during retraction and ensures it always returns back to its starting point.

Pneumatic cylinders, also referred to as air cylinders or actuators, are mechanical devices which use compressed air to move a load in a linear path. The most common type of pneumatic actuator includes a piston and rod moving inside a closed cylinder, where the piston performs the desired movement. In pneumatic systems, air is used as the source of energy to operate and complete a given task, in this case, extending and retracting the piston inside a cylinder.

Pneumatic cylinders are commonly applied as two types of pneumatic cylinders: single acting and double acting. The main design difference between both cylinders is the number of ports. Single acting cylinders has one port where pressurized air enters, while double acting cylinders use two ports to operate. This simple design difference distinguishes both cylinders in terms of movement and speed. When choosing a design, it is important to know the application of each device, their differences, advantages and disadvantages.

If you are looking to utilize your machine in a linear motion and perform movements such as clamping, positioning and punching, then single acting cylinders might be your solution. How do they work? Single acting cylinders have one port where pressurized air enters in one direction. A spring, or a load, is usually fitted to the piston. Once air is cleaned and compressed it enters through the single port forcing the piston to extend in one direction compressing the spring. The spring (or another external force) will retract the piston back to its original position after releasing air through the same port where it originally entered. Simply put, the compressed air will force a forward stroke inside the cylinder and the spring will return the stroke.

When looking for a device to move load in both directions, double acting cylinders are a useful application when your machine requires more than one movement. Unlike single acting air cylinders, double acting cylinders can extend and retract without the need of a spring. Instead of applying pressurized air into one port, double acting cylinders have two ports where air can enter in and out.

Air enters through one port moving the piston forward and then applies pressurized air into the other port retracting the piston back into the cylinder. Double acting cylinders are the most widely used pneumatic actuators compared to single acting cylinders given their ability to extend and retract within a shorter time period, thus, becoming more efficient and precise.

Double acting pneumatic cylinders are mostly used in industrial and robotics industries. They perform tasks such as opening/closing doors and lifting and moving merchandise off conveyor belts. Other uses include medical applications, earth-moving equipment and space programs.

Although both systems use compressed air as their main source of energy, their port design allows them to perform quite differently.  Single acting cylinders are mainly used in industrial applications where force is needed in one direction, for example, ejecting parts/items off conveyor belts. Double acting cylinders, on the other hand, are widely recognized across many industries for being faster, stronger, and more efficient than single acting cylinders. Applications that require speed and force will need the help of double acting cylinders whereas light assembly work can be deployed by single acting cylinders.

When choosing the correct style of pneumatic actuator for your system it is crucial to take into consideration budgeting. How often are you able to provide maintenance? Does your system require machines to be running all day? These are a few questions to keep in mind when choosing the right pneumatic cylinder. Since single acting cylinders will require more maintenance than double acting cylinders, their initial purchase cost is much lower. Additionally, single acting cylinders will often need to be replaced. Over time the spring will stretch and cause inaccurate precision. In terms of power, double acting cylinders can perform quicker and stronger when compared to single acting cylinders. Despite of their cost, double acting pneumatic cylinders continue to be widely used and recognized for their superior design.

Additional Notes: Pneumatic cylinders require air to be cleaned and filtered and if not properly prepared your system and products are open to contamination and possible malfunctions. It is also important to consider ISO standards when choosing your pneumatic actuator. While single acting cylinders are considered easier to use and maintain, many double acting cylinders meet ISO standards.

There are two most commonly used types of hydraulic cylinder: single acting and double acting cylinders. One type of cylinder is not innately better than the other and the decision is not normally an either/or choice.

Rather, both single and double acting cylinders have their uses and applications where they are better suited than the other type. In this article we take a brief look at each type, explaining how they work and the applications they are found in.

In a single acting hydraulic cylinder, fluid pressure is exerted on one side of the piston only, so that the piston rod acts like a hydraulic ram, pushing outwards but not pulling back on the retract movement. These cylinders need an external force to retract the piston rod, such as a pump, motor or set of internal springs.

While high quality single acting hydraulic cylinders are reliable units, those equipped with retractable springs are vulnerable to component failure as the springs wear out. This manifests as a gradual reduction in force on the retract movement. They are also more difficult to seal and can become damaged over time through exposure to corrosive fluids.

A double acting cylinder is capable of pressure being exerted on either side of the piston alternatively. This means that both outward and retraction movements can be achieved under the cylinder’s own pressure without an external source of power. This can be used simply to return the piston to its starting position, or to apply an alternating force on both sides of the cylinder – for instance to operate a crankshaft.

The decision between a double acting or single acting cylinder often boils down to one of control. How much precision is required when exerting force in your hydraulic system? If you need to exert a large force to move a load in a single direction – e.g. for heavy lifting applications – a single acting cylinder may be sufficient. However, if you need to direct a load in two directions or have greater flexibility over the movements of the cylinder, a double acting cylinder will give you more control.

We have a range of single acting and double acting hydraulic cylinders available for immediate dispatch from our extensive stock. Click here to check our current availability. For questions and product enquiries, please call 01299 896953.

... two stage hydraulic hand pumps, easy to handle and use, with very high oil flow rates to operate a wide range of hydraulic cylinders or equipment.

... pneumohydraulic pumps that are compact and easy-to-use. It has a standard reservoir of 2.5L in plastic, and 5 or 10L in steel. The pump can be attached with a threaded G¼" fitting to ...

A compact lightweight pump, the Power Team 60 series is designed for rugged applications and low voltage starting. Experiencing a long, trouble-free life in the most demanding work environments, the 60 ...

... hand pumps come in a variety of configurations to meet the requirements of your application. Along with various oil capacities and flow rates, you can choose from the following options:

... lightweight and portable the Power Team PA6D series pumps are single-speed pumps for driving double-acting cylinders. The PA6D series pumps operate at ...

... : industrial tools, lifting systems, car repair, clamping systems, hydraulic equipment (presses, jacks, …), tire changers, bead breakers, automotive.

The HP-AP pump, like all HP Series pumps, can be installed in any hydraulic applications which requires high working pressures and moderate and controllable oil flow. Our HP Series air-hydraulic ...

... this, PN pumps are extremely handy and stand out due to a very low effort on their handle. The practical pedal locking hook allows to use the lever as a handle during transport by holding it in the correct position in ...

... pneumohydraulic pump incorporates a double-acting pneumatic motor. The pump operates on compressed air with 2 to 7 bar pressure for construction of circuits that demand ...

... for use with either single or double acting cylinders and tools. The HP range offers the ideal solution for applications where completely independent, portable hydraulic power is required. ...

Double-acting, single-stage air-powered compact pump. Standard with a 3/8” NPT female thread and compressed air connector. Excluding coupler, hoses and pressure gauge.

the hydraulic single-port hand-pump range is tailored for use with Equalizer international hydraulic equipment. Certified for use in the hazardous areas ll 2 G ex h T5 GB llB, ll 2D ex ...

Air hydraulic pumps, working pressure 700 bar, using a pressure multiplicator. Recommanded solution to replace hand pumps. For single and double acting ...

People prefer them for some of their advantages: no requirement for compressed air, electricity, or hydrostatic flow. Those pumps can be used anywhere, provided that there is somebody that can work with the handle. You can leverage the power of hand pumps while lifting a heavy load and feel like a superman. This is accomplished by transforming mechanical energy into fluid energy. In this way, manual hand pumps differ from pneumatic hand pumps, as the latter generates air pressure instead of non-compressible fluid.

Hydraulic hand pumps are suitable for work where you would need up to 10,000   of pressure. Manual hand pumps are perfect for fieldwork since they are easy to carry and don’t require electric power. They are ideal for places where flammable liquid or gas is present, as they don’t need any electrical power.

When you buy any product, you look for some characteristics according to your needs. This is also the case for hydraulic hand pumps. Here are the top three reasons to choose them:In transferring energy from one form to another, efficiency is crucial. By simply moving the handle, you can move a heavy load.

If you want to achieve an accurate result, manual hand pumps are products you should be seeking. They are engineered to have the highest degree of precision and apply pressure of 10,000 PSI.

During the production process, any stability issues are resolved and maintained accordingly. Therefore, stability is the nature of hydraulic hand pumps.

Magister Hydraulics already has all of those mentioned above. A responsible company with a reliable crew that has the privilege of owning an ISO 9001:2015 certificate. To keep up with the requirements of the certificate, we are delivering high-quality products. All of our products are shipped via FedEx within one business day. We can accomplish this as we have storage facilities all over the USA.

Ningbo Target Hydraulics is your reliable hydraulic components supplier. We offer you high-quality dc12v hydraulic pump single acting and double acting. There are many different industrial applications for hydraulic pump unit systems.

dc12v hydraulic pump motor combo is the most common electrical hydraulic pump system. They come with dc motor, hydraulic gear pump, and some other hydraulic components such as a hydraulic oil tank ,hydraulic manifold blocks, some hydraulic valves.

Hydraulic AC power packs are widely used in industrial applications. They are designed with AC voltage electric power supply, so, they can work with AC motors. Some of them are designed with standard B14 flange mounted AC motors, It is easy to find flange type AC motors from your local market.

Dump trailers and forklifts are very common applications of DC12 voltage hydraulic pumps. Most of them are designed and manufactured with single-acting hydraulic pump schematics. They work Power up/gravity down.

DC voltage hydraulic pump packs are designed for mobile hydraulic applications. So, they are also called mobile hydraulic power packs. Some of them are double acting hydraulic pumps, Power Up/power down hydraulic systems.Some of others are single acting,power up/gravity down hydraulic pumps.

Target Hydraulics products are used in different hydraulic applications. Electric dump pump is the most popular application. They complete with a dc motor, hydra-gear pump, and some valves that are assembly in center hydraulic block manifolds, also a button remote and cable.

DC hydraulic pumps are most work with mobile hydraulic applications, so, the mounting size is very compact. That is why compact size power packs are designed with such small sizes. They are designed and manufactured for mini and compact mounting size.

Our hydraulic cartridge valves and hydraulic valve manifold blocks are widely used in DC hydraulic power units, AC hydraulic power units, and hydraulic manifold designs.

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

We provide a variety of high-quality single and double-acting 12V hydraulic pumps. Choose from a selection of poly or steel reservoir sizing options. Our pumps are ideal for application with Dump Trailers and more. Browse our shop today and find the right hydraulic pump for your hydraulic circuit needs!

Eagle Pro Industrial Tools, Inc. manufactures hydraulic tools including cylinders, pumps, and jacks for industrial purposes. All of their hydraulic products are engineered and made to meet ISO 9001:2008 standards. Through a quality assurance program including consistent audits of administration, management, manufacturing, and production control results in a reliable, dependable, high-quality hydraulic products that stand the test of time.

Since 1996 Eagle Pro has had the vision to provide complete hydraulic tools. This is reflected in their mission to focus on their customers" needs by providing excellent hydraulic solutions and services in order to consistently provide maximum value. They supply high-quality hydraulic cylinders, pumps, and jacks, and provide excellent customer service.

The Eagle Pro ED series Double Acting General Purpose Hydraulic Cylinder produces a quick, controlled piston contraction allowing for a double acting operation.  A built-in safety valve prevents accidental-over pressurization.  Most models include collar, piston threads, and base mounting holes to make fixturing a simple task. Piston jamming and mushrooming is prevented by the cylinder’s hardened, and E-coated snap-in saddle. The ED series enhances durability with a hardened and chromed piston that reduces wear and corrosion.  A durable, anti-corrosive finish is added using an environmentally friendly coating process.  The ED series comes with a rugged, EAB-201A female coupler, complete with heavy-duty dust covers, preventing dirt and debris from entering the hydraulic system The ED series complies with ASME B30.1 standards.

Eagle Pro"s EDH series Double-Acting, Hollow-Piston Hydraulic Cylinder incorporates a hollow piston design that allows both pushing and pulling forces.  The construction of high strength alloy steel maximizes durability along with the EDH series’ double acting operation ensures fast and controlled piston reaction time. A safety valve prevents over-pressurization. Eagle Pro"s EDH series comes with a rugged female coupler and a heavy-duty dust cover which keeps dirt and debris from entering the system.

Eagle Pro"s ESX Single Acting High Tonnage Hydraulic Cylinder features high strength alloy steel aimed at maximizing durability.  The hardened and chromed piston reduces wear and corrosion damage.  The inclusion of base mounting holes enables easy fixturing.  An environmentally friendly coating process produces a finish that protects against corrosion. The ESX features a single acting, load return operation.  Additionally, optional tilt saddles are available.

The Eagle Pro EL series Single-Acting Cylinder with Locking Collars includes an alloy steel lock nut for mechanical load holding and is constructed of a high strength alloy steel to maximize durability.  The hardened chrome piston reduces damage caused from wear and corrosion.  The over flow port functions as a stroke limiter. The EL series also includes hardened grooved replaceable saddles.  Composite bearings prevent metal-to-metal contact.  Quick reaction times are obtained through heavy-duty straight pull return springs.

Eagle Pro"s ES series Single Acting General Purpose Hydraulic Cylinder redefines durability for the harshest of industrial environments. With its high strength alloy steel construction and hardened chromed piston, it ensures superior product life by reducing wear and corrosion. Heavy-duty, straight pull return springs provide fast retraction with greater flexibility. The ES series comes with collar, multiple piston threads, and base mounting holes. Hardened and E-coated snap-in type saddle prevents piston jamming and mushrooming, practically eliminating downtime.

The Eagle Pro ESL series Low Profile Pancake Style Hydraulic Cylinder features a low-profile flat design and is an optimal choice for tight spaces.  The hardened and chromed high strength alloy steel increases durability by reducing wear and corrosion.  The grooved piston end does not require a saddle and the inclusion of mounting holes permits easy mounting.  Retraction time is quick thanks to the heavy duty, straight pull return springs.

The EPA series Dual Speed Hydraulic Hand Pump features valve blocks that are machined from a single piece of high strength aircraft grade aluminum and high capacity reservoirs made from alloy steel that maximizes durability.  These hand pumps are compact and easy to carry around the job site. To get the job done faster, these powerful dual speed pumps offer some of the best flow rates in the industry. All of the EPA series hydraulic hand pumps feature an internal safety valve to prevent system damage.

Eagle Pro"s EPB series of Electric Hydraulic Pumps feature various flow rates from 16 in3/min, 39in3/min, 60in3/min, and 100in3/min. and industrial strength TEFC (totally enclosed, fan cooled) induction motors that provide performance and reliability when needed.  All single phase EPB pumps come standard with a low voltage remote control.  The EPB series pumps start under full load. Standard reservoirs are available in 1.3 gallons, 2.1 gallons, or 5.3 gallons.  If the application requires a larger reservoir, large reservoir bolt on kits are available up to 20 gallons depending on the pump model.   Roll cage kits and an externally adjustable valve pressure regulator are available to increase the protection and performance of the pump.

The Eagle Pro EPC series Air Over Hydraulic Pumps features an efficient pump and heavy-duty air motor design.  The risk of contamination damage is minimized as pumps feature both air and oil filters. Several types of reservoir materials are available to suit each application.  The built in air exhaust muffler quiets operation.  All Eagle Pro EPC series air over hydraulic pumps features an internal load limiting valve to prevent system damage

Eagle Pro"s Gasoline Powered Hydraulic Pumps allow you to use hydraulics as a work force multiplier in even the most remote locations. Subaru’s EA Series engines are engineered and built specifically for demanding applications and extreme conditions encountered by high force hydraulic equipment.  The EA series offers easier starts, quieter operation, and more power than anything in its class.  Featuring advanced chain-driven overhead cam technology and their impressive three-year warranty, it’s an easy choice for demanding work environments.

The Eagle Pro ETJ Series Hydraulic Toe Jack is designed for lifting loads with very low minimum (foot) clearance or high (head) clearance.  The ETJ series includes a built in safety valve that provides overload protection.  The five and ten-ton models have an added spring assisted return and over travel protection feature.  Strength is assured through the incorporation of a forged base and cylinder.  The Eagle Pro ETJ Series complies with ANSI/ASME B30.1 and CE/GS standards.

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.