To understand how the system functions, you must know the working of the solenoid. When electricity passes through the coil in the solenoid, it gets charged. A magnetic field is created which gets the plunger to work. This in turn causes the valve to open and close. The specifications to look for in the solenoid valves is the dry and wet solenoids, the lowest current consumption, a very good force–to-size ratio and the twin coil configuration.

The hydraulic solenoid valve is very reliable. These valves can have a single or a double solenoid. If the valve is a DC type, you will have solenoid coil indicator lights along with 12V power rating. You can look for modular or sub-plate mounted types of valves.

These valves have many applications. They are used in circuits which control the tilting angles of the displacement pumps. They can also monitor the working of multiple control valves. You can see the usage of these valves in aerospace manufacturing. Because of its ease of service, these valves can provide great control in applications related to defense, aerospace and marine. In everyday life, you can see these solenoid valves being used in irrigation systems and the washing machines that we have in our homes.

The solenoid valves are very easy to install and are not very costly too. You can find these being used in low-pressure applications. Besides defense and aerospace, you can also find hydraulic solenoid valves in automobiles and construction.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

Hydraulic power units are used to provide fluid pressure to cylinders, motors and other machines running on hydraulic power. They contain multiple pump stages, a fluid reservoir and coolers. They ensure that all these tools work at ambient temperatures to keep the machine safe. When you decide to buy one of these units for your machine, you must keep in mind a few things like the physical characteristics, features and criteria for calculating performance of the unit.

The criteria for calculating performance of the unit are total power, flow, operating pressure and reservoir capacity. The pressure that the unit gives at the outlet is calculated as the operating pressure. The pressure rating in the unit shows the range in which the unit can operate. Similarly, the fluid flow also has a rating. The total power of the unit is the summation of the output power of all the power sources. The reservoir capacity is measured in gallons and there may be modular reservoirs with varying capacities.

The physical characteristics of the hydraulic power unit are described by the power source, pump type, unit weight and the cooling method. The power source can be electric, gasoline or diesel engine. It can also be a pneumatic compressor. The pumps are usually connected in series and can be single or double stage, or even three and multiple pump units. The cooling can be obtained by a heat exchanger or an oil cooler which is driven by a fan. You should also consider the unit weight before buying.

When buying the units, you should remember that these are used in machines which provide heavy and organized lifting. The units can help the machines to provide great power. There are many examples of these units being used in daily life.

It is a fact that hydraulic power units are very much a part of our lives. Hence, we should ensure that while buying them, we should be very cautious as the smooth running of the machines will depend on it.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

If you look at a typical hydraulic power unit, it will have an electric motor, hydraulic pump, filters, tank and valves. They are used in machinery which can harness fluid power. In fact, you will never have thought of the machines which use these units to be functional. Here are a few examples in daily life where you can find these units.

In the construction field, these units are used in shovels, backhoes, cranes, loaders and fork-lifts. You will find these units being used to run machinery being used in framing, construction and fishing too. You may never have thought of it, but the rides in the amusement park are also powered by these units. In everyday life, you can observe the garbage being compacted with a machine running on hydraulic power.

The cars involved in accidents are extricated with a claw-like machine running on fluid power. Many people are rescued from these situations with these machines. You might have also seen the cars being lifted on machines so that repairs can be done on the underside. The machinery doing this has a hydraulic power unit inside.

The brakes of your car also run on fluid power. You can see this more closely when the brakes are being checked for proper working. Bleeding of the brakes is done to get rid of the air bubbles in the fluid in the brakes. When you apply your brakes, the fluid in the brakes is compressed making the brake pads put pressure on the rotor. This friction leads to slowing of the car. Keeping the hydraulic units well oiled can keep them in good condition.

These units are thus used in many places. Since the fluids comprise of petroleum, care should be taken to keep it free from contaminants and dirt. By keeping the hydraulic power units clean, the problems in the units are minimized and the machines using them will not malfunction easily.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

A hydraulic power unit is a major constituent of many mobile and industrial systems. If you look around, you will find several applications of this unit in scissor lifts, plant trailers, access control systems and industrial machinery. But since this is a mechanical device, it is bound to encounter many problems after a point of time. You can always call in a repair person but knowing simple things can help you to troubleshoot the unit yourself.

• The first problem which may arise in the unit is excessive noise. The source of the noise can be traced to the motor, pump or the relief valve. Noise can occur due to cavities or formation of air bubbles in the fluid of the pump. You can replace the filters, clean the inlet points, and change the fluid and so on. You can also try tightening the connections to stop leaks. Alignment of the unit can also remove the noise.

• Another major problem with the hydraulic power unit can be excessive heat. This too can occur in the relief valve, motor, pump or the fluid. Try to see if all the connections are fine. Then check the load on the motor. The parts may also be worn out and so should be replaced. If the fluid is too hot, then see if it is clean enough. Then see if the cooling system is normal. Damaged parts should be replaced to lessen the heat.

• The third problem which may arise is no flow in the hydraulic motor. For this, you need to see if the fluid is reaching the pump and if the pump is functioning properly. If the pump is not rotating in the right direction or it is damaged, then there will be no fluid flow too. You can replace the pump if necessary.

• Any change in the pressure can also cause the hydraulic power unit to malfunction. If the valve is not adjusted properly or there is a contaminant in the fluid, the unit will also not function correctly. You can also see if the pump is worn out.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

The hydraulic power unit is an integral part of the hydraulic tools used in various job sites. These equipments can still be supplied with power by being connected to a power source. But the power unit is the most efficient mechanism to handle and operate the instruments in a smooth and convenient manner. You have option to power these units through a petrol, diesel or electronic motor. However, it is very much important to follow a number of safety measures while using the power unit.

1. When you are buying the power units you have to spend some time in understanding its features and specifications exactly. The power unit must be handled in an exact manner to avoid causing any harm to the workers. You should buy the tools that are certified and labeled as non-conductive. Thus, you can ensure the safety of the workers while working near the electric lines.
2. It is also very much important to check the hydraulic power unit on a daily basis to detect any type of leakages. You should take the assistance of an experienced technician to check the various parts of the unit including hose, tool, connectors and couplers. The torn, kinked or damages hoses should be replaced immediately to use the units safely.
3. You have to follow a number of safety measures while checking the various parts of the power unit to detect any leakages. The area should ask all the bystanders to clear the area during the checking process. Similarly, you should wear high quality globes and avoid checking for the leaks. It is also advisable to protect your eyes, ear, hand, foot and head to avoid any physical damages while using the hydraulic power unit.
4. You can easily prevent any damages to the property and workers by using the equipment in a proper manner. The power units should be kept and operated in an area that is wide and spacious. Similarly, you must avoid disconnecting the tool when the power unit is still operating. It is also important to ensure that the engine has completely cooled down before placing the power unit inside the storing room.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

The design and feature of the hydraulic power unit differ based on the manufacturer and brand. Some manufacturers design the units in a more flexible manner by incorporating some additional features and functionality. At the same time, there are a number of power unit models that come only with the most essential options and functionality. Therefore, you have to spend some time in checking the different versions of the power units available in the market based on specific features that improved the performance of the units.

1. There are a number of latest power units available in the market that comes with options to reduce fuel consumption. The units include specific automatic throttle that makes the power unit idle, when the power ring is not used for some time. When you select a unit this features, the length of the operating time will increase by consuming educed amount of fuel and energy.
2. Sometimes the regular usage of the hydraulic power unit results in overheating the device. If the temperature is not regulated in a timely manner, the performance and functionality of the power units will be impacted adversely. A number of manufacturers have incorporated fans to avoid frequent overheating problems. You can select these fan-cooled power units to carry on the activity without any type of interruptions.
3. The functionality of the power unit is also impacted due to changes in the level of fluid. Sometimes the units stop functioning when the fluid level drops below the required level. As you cannot monitor the fluid level while operating the power unit for a longer period of time, you should consider buying the hydraulic power unit that has got the cut-off switches. When the fluid level drops substantially, the power unit stops functioning and gets shut off. The units also automatically shut down when the temperature crosses the specified limit and causes overheating.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

When you decide to operate a tool using hydraulic power unit, it is very much important to understand the exact way to operate and maintain the power unit. Sometimes the equipment may not function in the desired manner due to any small deviation in the operating process. As the tools are essential for some of the activities being carried out on the job site, you have to train the operator the most effective way to handle the tools without facing any type of inconvenience or interruptions.

1. Most the manufacturers prescribe a set of routine checks for smooth performance of the power unit. Before you connect the power unit with any other tool and start operating the equipment, you have to verify and confirm the flow requirement. The suggested routine checks can be performed to follow the required process flow.
2. When you buy the hydraulic power unit, the manufacturer provides you with a set of instructions and guidelines to operate and maintain the unit properly. You should start using the units only after reading and understanding the guidelines completely. The understanding of the instructions will be of great help to check the current level of fuel, engine oil and hydraulic fluid.
3. The manufacturers also recommend regular checking of the various parts of the power unit including fittings, fasteners and hoses. You must ensure that these parts are fitted in a tight and secure manner. It is advisable to include these normal checking as part of the daily maintenance routine.
4. Each hydraulic power unit differs from other due to its design and features. Further, the tools launched by different manufacturers also vary from each other. That is why; each manufacturer provides users with specific instructions to maintain and operate the power unit. You have to avoid following any generic maintenance measures and follow the exact instructions mentioned on the manual received with the power unit.

BROWSE BY PRODUCT TYPE | BROWSE BY MANUFACTURER

The hydraulic power unit is an integral part of a wide range of applications and machinery. These units are used for providing pressurized flow to various hydraulic components of an application including the cylinders and hydraulic motors. Most of such units contain a fluid reservoir. Further, the fluid is reserved at the right working temperature with the use of multiple pump stages and coolers.

When you are planning to buy such units, you have to spend some time in evaluating its functionality based on various physical characteristics and performance specifications. You also have to check the multiple pump stages included in the specific design of hydraulic power unit. It is also very much important to consider the purpose, for which the power unit is going to be used.

Most of these power units come with a specific set of specifications. You can check the list of specifications released by the manufacturer to form an over all idea about the performance of the unit. The specifications can be used evaluate the operating pressure, total power, flow and reservoir capacity of the power unit. However, some of the latest versions of these power units support multiple power sources to function in a smooth way.

However, you have to use the exact measuring units to check the power capacity of the hydraulic power unit. The power is normally measured in terms of horse power, whereas the capacity of the power unit reservoir is measured in terms of gallons. But there are specific designs having the capability to interchange the reservoirs within specific capacities.

In addition to the specifications, you will also be required to consider a number of physical attributes of the power unit including the power source, the type of pump, cooling methods and weight of the unit. Based on the type of pump used in the power unit, you have options to select the units with single, double or multiple integrated pump units.