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Priority Valve Producer

What are the priorities for a valve producer? Quality? On-time delivery? Customer service? All of the above? At Priority Valve, we know that our customers have different priorities. That’s why we offer a wide range of valves to suit every need. From butterfly valves to check valves, we have something for everyone. But how do you know which valve is right for your application? Read on to learn about the different types of valves and their applications. By the end of this blog post, you’ll know exactly which valve is right for you.

What is a Priority Valve?

A priority valve is a type of valve that is used to regulate the flow of fluids. Priority valves are often used in conjunction with other types of valves, such as check valves and relief valves. Priority valves are typically used in systems where there is a need to control the flow of fluids in order to maintain system pressure or prevent system damage.

Advantages of Priority Valve

If you are wondering what the advantages of a priority valve are, then look no further. In this article, we will explore the top reasons why a priority valve may be the best option for your needs.

A priority valve is a great choice for many different applications because it provides superior flow control. Priority valves are designed to open fully and then close gradually, which allows for a more precise control of fluid flow. This type of valve is also less likely to cause damage to sensitive equipment or materials because of its smooth operation.

Another advantage of using a priority valve is that it can help save energy. When properly installed, a priority valve can help regulate the pressure in a system so that pumps do not have to work as hard. This can lead to significant savings on energy costs over time.

Finally, priority valves are also very durable and reliable. They are built to withstand heavy use and last for many years with proper maintenance. If you are looking for a high-quality product that will provide years of trouble-free service, then a priority valve is an excellent choice.

Priority Valve Producer

As a leading priority valve producer, we offer a wide variety of high-quality products that are designed to meet the needs of our customers. We are committed to providing the best possible products and services to our customers, and we strive to provide the highest level of customer satisfaction. Our priority valve products are manufactured in accordance with the highest industry standards, and we offer a full warranty on all of our products. We also offer a wide range of support services to our customers, including technical support, product training, and installation assistance.

By keeping all of these factors in mind, you should be able to choose the right priority valve hydraulic for your needs with ease.AJA Technology is a priority valve producer.Our products are of high quality and popular in market,welcome to inquire.

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Hydraulic Steering Gear Supplier

Hydraulic Steering Gear Supplier

At first glance, you may not think that the hydraulic steering gear is an important part of a car. But if you take a closer look, you'll see that it's actually a very vital component. The hydraulic steering gear is responsible for providing the power assist to the steering system. Without it, your car would be much harder to steer. And if you're in a tight spot, like parallel parking or making a sharp turn, you'll be glad you have it. In this blog post, we'll take a closer look at the hydraulic steering gear and its supplier. We'll also explore the different types of steering gears and their applications.

What is a Hydraulic Steering Gear?

A hydraulic steering gear is a device that uses hydraulic pressure to assist in steering a vehicle. It is typically used in vehicles with power steering, and can be found in both passenger and commercial vehicles. A hydraulic steering gear consists of a pump, reservoir, hoses, and valves, all of which work together to create the hydraulic pressure needed to assist in steering.

The pump is responsible for drawing fluid from the reservoir and moving it through the hoses to the valves. The reservoir holds the fluid that the pump will draw from, and also provides a place for air bubbles to collect so they don't enter the system. The hoses connect the different components of the system and are responsible for carrying fluid between them. The valves regulate the flow of fluid within the system and direct it to where it is needed.

Hydraulic steering gears are typically more efficient than other types of steering gears, and they require less maintenance. They are also less likely to leak than other types of steering gears.

How Do Hydraulic Steering Gears Work?

Hydraulic steering gears are devices that use hydraulic fluid to transfer force from the steering wheel to the steering linkage. The force is multiplied by a piston, which is actuated by the fluid. The piston is connected to the steering linkage, which in turn is connected to the wheels. When the steering wheel is turned, the fluid pressure causes the piston to move, which in turn moves the steering linkage and wheels.

Types of Hydraulic Steering Gears

Hydraulic steering gears are a type of power steering system that uses hydraulic fluid to assist in turning the wheels. There are two types of hydraulic steering gears: closed-center and open-center.

Closed-center steering gears have a fixed orifice in the center of the steering wheel that restricts the flow of hydraulic fluid when the steering wheel is turned. This type of steering gear is typically used in vehicles that have a lot of weight, such as trucks and buses.

Open-center steering gears do not have a fixed orifice in the center of the steering wheel. This allows for continuous flow of hydraulic fluid when the steering wheel is turned. Open-center steering gears are typically used in lighter weight vehicles, such as cars and SUV.

How to Choose the Right Hydraulic Steering Gear Supplier

When it comes to choosing a hydraulic steering gear supplier, there are a few things you'll want to keep in mind. First and foremost, you'll want to make sure that the supplier you're considering is reputable and has a good track record. There are a few ways you can go about checking this; one is to ask for references from other businesses or individuals who have used the supplier's services before. Another is to check online reviews, although be aware that these can sometimes be biased.

Once you've narrowed down your options to a few reputable suppliers, it's time to start considering price. Don't just go with the cheapest option, as this could mean compromising on quality. Instead, get quotes from a few different suppliers and compare them based on both price and the included services. For example, some suppliers may offer discounts if you purchase a certain amount of product from them, so it's worth taking this into account when making your decision.

Finally, don't forget to factor in delivery times when choosing a hydraulic steering gear supplier. If you need the gear urgently, then it's worth paying slightly more to ensure that you'll receive it on time. However, if you're not in a hurry then you may be able to get away with opting for a slower delivery service in order to save some money.

By keeping all of these factors in mind, you should be able to choose the right hydraulic steering gear supplier for your needs with ease.AJA Technology is a hydraulic steering gear supplier.Our products are of high quality and popular in market,welcome to inquire.

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Symptoms of a Failing Power Steering Control Valve

When you turn the steering wheel, the power steering control valve tells the fluid where to go. As an instance, when you turn the steering wheel to the right, the power steering control valve turns to apply pressure to the proper side of the cylinder, which causes your car to move in the desired direction. If you are experiencing loose steering, it is likely an indication of another problem because loose steering is not often an issue with a power steering control valve. The following are symptoms of a failing power steering control valve.

1. Leaking power steering fluid

The valve will frequently begin to leak, which is one of its most frequent issues. It's important to call a qualified mechanic if you see a pool of power steering fluid underneath your car so they can examine and/or replace the power steering control valve. Power steering fluid often ranges in color from clear to amber and has a burned marshmallow scent. Also flammable, you should immediately clean up any power steering fluid you uncover.

2. Difficulty steering

A failed power steering control valve may also produce a whining sound. This noise is often audible while you are twisting the wheel or moving in general. Whining may also be audible while inactive. This is a warning sign and has to be investigated right away since whining sounds shouldn't be heard when the car is turning. Unless there is an issue, the power steering control valve is often not examined. You should be ready for this since if the valve has to be changed, it's likely that the power steering pump will as well.

3. Whining noise while turning the wheel

A failing power steering control valve may also produce a whining sound. This noise is often audible while you are twisting the wheel or moving in general. Whining may also be audible while inactive. This is a warning sign and has to be investigated right away since whining sounds shouldn't be heard when the car is turning. Unless there is an issue, the power steering control valve is often not examined. You should be ready for this since if the valve has to be changed, it's likely that the power steering pump will as well.

Have your power steering control valve inspected and/or fixed if you have leaks, difficult steering, or whining noises when turning corners.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. Our products can help you build your low pressure hydraulic system.If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Internal Gear Pump

Internal gear pumps have a wide range of applications. Although they are frequently used for thin liquids like fuel oil and solvents, they are excellent in pumping heavy liquids like asphalt, cocoa, and glue. An internal gear pump may operate with viscosities ranging from 1cPs to more than 1,000,000cP.

Internal gear pumps are pulse-free, self-priming, and can idle for short periods of time. They also rotate in both directions, which means the same pump can be used to load and unload containers. Since the internal gear pump has only two moving parts, it is reliable, easy to operate and easy to maintain.AJA Technology is internal gear pump supplier,welcome to inquiry.

Working Principle of Internal Gear Pump

1. Liquid enters the suction port between the rotor (large external gear) and idler (small internal gear) teeth. The arrows indicate the direction of the pump and liquid.

2. The liquid passes through the pump between the teeth of the "gear in a gear" principle. The crescent shape separates the liquid and acts as a seal between the suction and discharge ports.

3. The pump head is now almost submerged, just before forcing the liquid out of the discharge port. The intermeshing gears of the idler and rotor form a locking pocket for the liquid, ensuring volume control.

4. The rotor and idler teeth are fully engaged to form a seal equidistant from the discharge and suction ports. This seal forces liquid out of the drain.

Advantages of Internal Gear Pumps

Only two moving parts and only one stuffing box

non-pulsating discharge

Ideal for high viscosity liquids

Consistent and even discharge regardless of pressure conditions

Works well in either direction

Can be operated in one flow direction by either rotation

easy to maintain

Flexible design provides application customization

Disadvantages of Internal Gear Pumps

Medium speed is usually required

medium pressure limit

One bearing runs in the pumped product

Suspended loads on bearings

Application of Internal Gear Pump

Common internal gear pump applications include, but are not limited to:

Various fuel oils and lubricants

Resins and Polymers

Alcohols and Solvents

Asphalt, bitumen and tar

Polyurethane foams (isocyanates and polyols)

Foods like corn syrup, chocolate, and peanut butter

Paints, Inks and Pigments

Soaps and Surfactants

Ethylene Glycol

AJA Technology is a hydraulic pumps and motors manufacturer and internal gear pump supplier. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Disc Valves

There are several names and uses for valves. Due to their low cost, simplicity of usage, and effectiveness, these technical components enable operators to safely regulate the flow of process fluids and have established themselves as standard technologies in most markets.

What Is a Disc Valve?

The Disc valve is not so much a unique valve as it is a closing device for a wide variety of valves. Disc valves can be actuated manually and automatically, and are made in various sizes to fit standard piping.

How Do Disc Valves Work?

A disc valve's functionality is determined by the particular device of which it is a component. All disc valves share the fact that the valve disc serves as the main pressure barrier, though. In order to hold back the entire power of the input flow pressure and depressurize the output, this disc will either allow fluid to flow around it or be fully perpendicular to the flow. To withstand this level of stress, the valve disc is normally forged from harder metals, and several actuation techniques are employed to put the disc in this position.

Types of Disc Valves

Butterfly valves

Butterfly valves use a disc to completely close the pipe. The most common designs are zero-eccentric, double-eccentric, and triple-eccentric butterfly valves. Zero offset valves employ a disc that revolves around the pipe's axis and are typically used for applications up to 200 psi and 400 degrees F. Double offset butterfly valves employ two offset stems to move the valve disc in a cam-like fashion, which can often withstand greater pressures. To provide a frictionless seal against the disc seat, triple offset valves use three offset stems.

Disc check valves

Disc Check Valves are specified for one-way/non-reverse flow. They provide some "check" to the system so that the operator knows that the process fluid is not moving in an undesired direction after passing the check point.

Sanitary disc valves

Although they are specifically designed to offer the working fluid abiotic, sanitary conditions, sanitary valves are functionally identical to earlier disc valves. To facilitate an uninterrupted product flow, the disc is often rounded. They often handle dairy, medications, drinks, cooking oils, and other foods and chemicals and are composed of inert metals like stainless steel.

Choose Disc Valves

Valve specifications are an important part of the design process as they affect efficiency, operating time and many other factors that can make or break a project.

Disc valves size

This question will give insight into how big your valve must be, the type of disc valve chosen, the flow rate for your project, and the force the disc valve must hold.

Pressure and temperature

These valves can be rated in many different ranges, so it is important to know the working pressure and temperature of the process fluid before looking for the right disc valve. Make sure the valve is also rated for the proper temperature. A valve that is not suitable for these two properties is sure to fail, so please specify your operating temperature and pressure.

Actuator type

There are many options to choose from: manual drive, automatic drive, motor drive, hydraulic/pneumatic and other methods to provide the right type of drive for your project.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Low Pressure Hydraulic Motor-System

In many applications, medium or high pressure is necessary just to make the cylinder size realistic. So what is the significance of low pressure hydraulic system?

Low Pressure Hydraulic System

Staying below 50 or 60 bar, this hydraulic system gives you 5 advantage opportunities:

Low pressure pumps are a little different, it's not diving directly into gear and piston pumps for high pressure. The Low Pressure Hydraulic System provides the opportunity for the right job.

Use pneumatic and low pressure technology in your valve instead of the mainstream medium pressure spool and hard seat designs. There are many suppliers of low pressure valves that work really well below the magic 50-60 bar.

The Low Pressure Hydraulic System uses simple plumbing work and connectors that are very useful.

The Low Pressure Hydraulic System is more reliable if the sealing requirements are not high at low pressure. There are many reasons why hydraulic systems leak, but higher pressures are definitely more troublesome.

What does a successful Low Pressure Hydraulic System need?

If your working pressure is limited, using hard anodized extruded aluminum alloy cylinder sections can also provide significant cost savings. In addition to the main hole, you can extrude external features or additional flow paths.

Keep in mind some advantages of low pressure pump piston rods at low loads. Single-shot pumps may be more attractive than reciprocating piston and gear pumps.

If traditional hydraulic hoses with swivel fittings are cumbersome in high pressure systems, taking a step back and feeding the system up with small bore nylon tubing is the deciding factor. Nylon can provide benefits where the run is tortuous, the radii are tight, the tube needs to pass through small holes, or where cost needs to be addressed.

Will low pressure make the system more reliable?

Yes. Seals must withstand much lower stress than high pressure systems. The seal will not extrude under low pressure. In the event of a malfunction, the leak may not be as noticeable, although a leak is still a leak.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. Our products can help you build your low pressure hydraulic system.If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Hydraulic Motor Type

A mechanical actuator called a hydraulic motor uses hydraulic pressure to convert fluid power into rotating mechanical energy (torque) and angular displacement (rotation). Considering its small size, a hydraulic motor is capable of powerful producing torques. Since they serve the opposite purpose, hydraulic pumps and hydraulic motors can be used interchangeably. However, because they cannot be back-driven, many hydraulic pumps cannot be employed as hydraulic motors. Additionally, working pressure on both sides of the motor is something that hydraulic motors are built to handle. In contrast, most hydraulic pumps leak fluid when utilized improperly as a motor since they rely on low pressure from the fluid reservoir on the input side.

Hydraulic motors are used in an increasing number of applications. Whenever a slow or fast rotary movement with continuous speed fluctuations is necessary, they are frequently used.

Hydraulic Motor Type

There are four basic types of hydraulic motors:

Gear-type motors (internal or external gears)

Vane-type hydraulic motors

Radial-piston-type motors

Axial-piston-type hydraulic motors

They are distinguished by:

Since hydraulic motors are volumetric devices, their maximum rotational speed will be roughly inversely proportional to the supply pump's appropriate flow rate capacity.

their highest working pressure.

Their displacement, which may be constant or variable, is the amount of oil required to fuel the engine for one shaft revolution.

Their constant and peak power is divided into two types: power supplied by the hydraulic motor, which is based on the absorbed power and output, and power absorbed by the hydraulic motor, which depends on the flowrate capacity and supply pressure. According to the type of motor, the latter ranges between 70 and 90 percent, and losses are brought on by leakage and friction.

1. Gear-type hydraulic motor

The driving gear and the idler gear, which are coupled to the output shaft, make up the gear-type hydraulic motor. Between the gear tips and the motor housing, on one side of the gears, high-pressure oil flows to the output port . The oil from the outlet side cannot flow back to the inlet side because the gears lock together.

2. A hydraulic motor with a vane

A vane motor is made out of a casing with an eccentric barrel that rotates a rotor with sliding vanes. The rotor spins in one direction because to the force differential produced by the pressurized fluid's uneven push on the vanes.

3. A hydraulic motor with radial pistons

The purpose of a hydraulic radial-piston type motor is to convert fluid pressure energy into rotating mechanical energy. The mechanism's fixed and central component, the directional valve, is a quill shaft with two lines: one for fluid input and one for drainage. The directional valve's rotor is equipped with radial bores in which free-floating pistons move.

4. A hydraulic motor with axial pistons

Axial-piston type motors, also known as barrel motors, have been employed more and more recently in a variety of industries, including iron and steel production, agriculture, industry, and public works.

Heavy vehicle translations, which are rather common in public works and agriculture, are suited for axial piston systems. The following are the key benefits:

high power to weight ratio.

high rate of rotation (up to 3,500 rpm).

operations that are under strain.

How are hydraulic motors classified?

Hydraulic motors are divided into two categories: high-speed hydraulic motors and low-speed hydraulic motors. Low speed hydraulic motors are not designed to exceed 300 rpm. This type of motor is designed because of the need to obtain low speed and high drive torque. Therefore, a low speed motor is a rotating device that converts the hydrostatic energy from the pump into rotating motion with high torque. A low-speed motor is different from a high-speed motor because it acts as a hydraulic retarder. Therefore, it is able to transmit high torque without the use of mechanical reduction gears. For all low speed motors, the speed is about one revolution per minute. The maximum speed limit for a low speed motor is usually determined by the size of the intake and delivery pipes in the receiver. Once a certain rpm is reached, the torque decreases. This drop is primarily due to head losses in the supply piping and viscous torque from the rotation of the components in the fluid.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Gear Pump

What is a gear pump?

A gear pump is a positive displacement (PD) pump. It moves fluid by repeatedly enclosing a fixed volume using interlocking gears or gears, and mechanically transfers the fluid using a cyclic pumping action. It provides smooth pulse-free flow proportional to its gear speed.

How does a gear pump work?

Gear pumps use the action of rotating gears or gears to deliver fluids. The rotating element forms a liquid seal with the pump casing and creates suction at the pump inlet. Fluid sucked into the pump is enclosed in the cavity of its rotating gear and diverted to the discharge port.

External gear pump

External gear pumps consist of two identical interlocking gears supported by separate shafts. Typically, one gear is driven by a motor, and the motor drives another gear (the idler). In some cases, both axes can be driven by electric motors. The shaft is supported by bearings on both sides of the housing.

When the gears disengage on the inlet side of the pump, they create an expanding volume. As the gear continues to rotate against the pump casing, liquid flows into the cavity and is trapped by the gear teeth. The trapped fluid moves from the inlet to a drain around the housing.

When the teeth of the gears interlock on the discharge side of the pump, the volume decreases and the fluid is squeezed out under pressure. Since they are interlocked, there is no fluid transfer back through the center between the gears. Tight tolerances between gears and housing allow the pump to create suction at the inlet and prevent fluid leakage from the discharge side (although low viscosity liquids are more prone to leakage).

External gear pump designs can use spur, helical or herringbone gears.

Internal gear pump

Internal gear pumps work on the same principle, but the two interlocking gears are sized differently, one rotating inside the other. The larger gear (rotor) is an internal gear, i.e. its teeth protrude on the inside. In it there is a smaller external gear (idler - which only drives the rotor) mounted eccentrically. This is designed to interlock with the rotor so that the gear teeth mesh at one point. A pinion and bushing attached to the pump casing hold the idler in place. A fixed crescent spacer or gasket fills the void created by the eccentric mounting position of the idler and acts as a seal between the inlet and outlet.

When the gears disengage on the inlet side of the pump, they create an expanding volume. As the gear continues to rotate against the pump casing and diaphragm, liquid flows into the cavity and is trapped by the gear teeth.

The trapped fluid moves from the inlet to a drain around the housing. When the teeth of the gears interlock on the discharge side of the pump, the volume decreases and the fluid is squeezed out under pressure.

Internal gear pump designs use only spur gears.

What are the main features and advantages of gear pumps?

Gear pumps are compact and simple with a limited number of moving parts. They cannot match the pressures produced by reciprocating pumps or the flow rates of centrifugal pumps, but provide higher pressure and throughput than vane or lobe pumps. Gear pumps are especially suitable for pumping oil and other high viscosity fluids.

Of the two designs, external gear pumps are able to handle higher pressures (up to 3000 psi) and flows because of stronger shaft supports and tighter tolerances. Internal gear pumps have better suction capacity for high viscosity fluids, although their useful operating range is from 1cP to over 1,000,000cP. Since output is proportional to rotational speed, gear pumps are often used for metering and mixing operations. Gear pumps can be designed to handle corrosive liquids. While they are typically made from cast iron or stainless steel, new alloys and composites enable pumps to handle corrosive liquids such as sulfuric acid, sodium hypochlorite, ferric chloride and sodium hydroxide.

External gear pumps are also used in hydraulic power applications, typically in vehicles, hoisting machinery and mobile plant equipment. A back-drive gear pump, using oil drawn from elsewhere in the system (usually by a tandem pump in the engine), creates a hydraulic motor. This is especially useful for powering areas where electrical equipment is bulky, expensive or inconvenient. For example, tractors rely on engine-driven external gear pumps to power their services.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Can Hydraulic Pumps Be Used As Hydraulic Motors?

A hydraulic motor is a machine that uses hydraulic pressure to generate mechanical power. A hydraulic pump is a device that extracts energy from hydraulic pressure to generate mechanical work. It should be noted that hydraulic motors can only be used to generate mechanical power, while hydraulic pumps can be used to generate and deliver hydraulic pressure.

What is a hydraulic pump?

A hydraulic pump is a device that converts energy in a pressurized fluid into moving pistons or wheels. It is most commonly used in engineering and construction to power machines such as pumps, drills, saws and bulldozers.

A hydraulic pump consists of a housing, pump piston, seals and reservoir. Fluid is pressurized by an engine or other power source and distributed to the pump through hydraulic hoses. The hydraulic piston is moved by the pressure difference between the fluid inside the housing and the fluid outside.

Hydraulic pumps are used for a variety of purposes, including moving fluids, lifting objects, and generating pressure. It is an important part of many machines and is often used in construction to build roads and dams, etc.

What is a hydraulic motor?

A hydraulic motor is an electric motor that uses pressurized fluid to generate power. They are used in a variety of applications including oil and gas production, water pumps and agricultural equipment.

One of the most common uses of hydraulic motors is in oil and gas production. Pressurized fluids are used to power various parts of the production process, including drilling, pumping, and extraction. Hydraulic motors are also used in water pumps and agricultural equipment.

There are many types of hydraulic motors, and they all have different specifications. Some are designed for use with water pumps, while others are more suitable for oil and gas production. It is important to select the correct type of motor for your specific application.

One of the biggest benefits of using a hydraulic motor is that it doesn't require any fuel. This makes them environmentally friendly and can be used in applications where fuel is scarce or hard to find.

How hydraulic motors work?

A hydraulic pump is a device that uses pressurized water or oil to power a rotating shaft. They are most commonly used in industrial and commercial applications such as wastewater treatment plants, grain mills and printing presses.

Hydraulic motors work by using the pressure of a liquid to rotate a shaft. The impeller on the pump works like a fan, moving the liquid through the pump faster than it can escape. This high-speed flow causes the pressure inside the pump to increase, causing the shaft to rotate.

Can a hydraulic pump be used as a hydraulic motor?

A hydraulic pump can be a powerful engine for a hydraulic motor, but there are some drawbacks to consider before using it in your project. Here are the pros and cons of using a hydraulic pump as a motor:

Advantages of using hydraulic pumps as hydraulic motors:

Pumps are efficient engines, so they use less fuel than other types of motors.

Hydraulic pumps are very reliable, so you can rely on them to work even in harsh conditions.

The pump can produce a high level of power, making it ideal for larger applications.

The pump is relatively easy to install and maintain, making it a good choice for small projects.

Disadvantages of using hydraulic pumps as hydraulic motors:

Requires more maintenance than other types of motors. They may require regular oiling, and they can be easily damaged if not maintained properly.

Pumps do not work well in cold weather environments, so they are not suitable for applications requiring low temperatures.

A hydraulic motor is an electric motor that uses hydraulic pressure to drive the movement of its rotor. Hydraulic pumps are designed to deliver large volumes of fluid and are an excellent choice for powering industrial machines and applications that require high levels of torque or RPM. While hydraulic motors are most commonly found in industrial applications, there are alternatives to using hydraulic motors for electric motors.

An alternative is to use an electromagnetic clutch or actuator. While this option may be more expensive than using a hydraulic motor, it does have the advantage of being able to operate in a wider range of applications. Additionally, electromagnetic clutches and actuators typically last longer than conventional hydraulic motors.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Four Signs Your Hydraulic Pump Is Not Running Well

The failure of a hydraulic pump can result in the failure of a project, regardless of whether it's your construction vehicle or another piece of large machinery. A hydraulic pump will, however, frequently present numerous warning signs prior to failing. Keep an eye out for these indicators of a faulty hydraulic pump.

1. Noises from your hydraulic pump

Operating hydraulic pumps generates noise. Whatever noise you hear, you'll get used to it, which will be useful when the noises start to alter. If you hear unusual noises, you may have a problem. Your hydraulic system shouldn't ever make banging or rattling noises.

You hear noises from your hydraulic pump.

Pumping noise is produced by hydraulic machinery. Whatever noise you hear, you'll get used to it, which will be useful when it comes to changes in the noise. You might be experiencing a problem if you hear odd noises. Your hydraulic system should never produce banging or rattling sounds.

Every component of a hydraulic system may sustain damage as a result of the fluid's circulation. Stop using your heavy machinery or vehicle if the hydraulic pump is making strange noises. To decide whether to repair or replace the pump, you must have it examined.

2. Leak in your hydraulic pump

Any hydraulic fluid leak should raise some red flags for you. Sometimes it's thought that leaking in bigger hydraulic equipment is unavoidable. However, you should take fast action to address the problem if heavy machinery or vehicles start to leak.

You should look for a repair if there is a leak inside the pump or close to it. Likewise, if you notice leaks outside the car, you may be sure that an inside leak has gotten worse. A leak makes the hydraulic system unable to sustain pressure, which can cause performance problems or complete system failure.

Sometimes, a loose seal or a break in a line—rather than the pump itself—is the source of the leak. Even then, the leak may cause the pump to function poorly. Starting the examination with the pump can frequently aid in identifying a problem with another hydraulic part.

3.Your hydraulic pump becomes overheated

There's a significant likelihood a buildup of dirt and debris is the root of your hydraulic system's overheating. If the filters clog, your hydraulic pump will have trouble dispersing heat. Temperatures will increase further as a result of the inability to dissipate heat.

The temperature of the fluid rises as the heat does. Hot fluid has the potential to weaken seals and cause premature deterioration. Both of those possibilities might cause your hydraulic pump additional problems.

4. Your hydraulic pump is becoming slower

The performance of a hydraulic pump will be subpar or slow. An ineffective hydraulic pump may result from any of the aforementioned problems. However, even if you don't suffer any other problems, the performance decline is a critical indicator that your hydraulic pump needs to be serviced or replaced.

You must be vigilant about maintaining a good hydraulic system if your equipment depends on it. Monitor your hydraulic system and pay attention to any symptoms that something isn't operating as it should. Regular maintenance of your hydraulic system will keep it operating at peak efficiency while also assisting you in identifying possible issues before they arise.

Frequently, maintaining the functionality of your hydraulic pump only requires that you keep up with fluid changes and minor component replacements as needed. A hydraulic pump that has a problem can frequently be saved if it is repaired or rebuilt by a reputable company.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Replacing a Hydraulic Gear Pump

Throughout your hydraulic system, whether it's a gear pump, vane pump, or piston pump, you may need to replace your hydraulic pump. What do you need to know when your equipment isn't working properly and you've narrowed the problem down to a hydraulic gear pump that needs to be replaced?

Why do hydraulic gear pumps fail?

First you need to check if the hydraulic gear pump is just worn out. Hydraulic gear pumps do have a natural life because they are wearable items in a hydraulic system. Given the different types of hydraulic pumps and differences in operating time, we cannot give an average lifespan for hydraulic gear pumps. But in general, you can expect the hydraulic gear pump in most onboard hydraulic systems to run for years. That said, it may last a lot longer than you think.

If indeed the life of the hydraulic gear pump will end

1. In this case, you need to obtain the brand and specific model of the hydraulic gear pump in order to ensure that your replacement is correct.

2. In any case, when replacing a faulty hydraulic gear pump, you need to make sure you take this opportunity to replace the hydraulic oil. During a failure, your hydraulic pump has introduced contaminants into your hydraulic system that you want to remove before they damage your new pump or any other hydraulic components. When installing a new hydraulic gear pump, you will need to replace the filter element, then replace it after the break-in period of the new pump.

Common reasons for needing to replace a hydraulic gear pump

In addition to the life of the hydraulic gear pump, see more because the hydraulic pump fails, resulting in a gradual decline in its performance.

MECHANICAL FAILURE TO THE INPUT SHAFT

Twisted or broken input shafts are caused by the extreme shock loads of the hydraulic gear pump. Typically, this happens when there is a missing safety valve in the system, is not functioning properly, is set to a value much higher than the pump can handle, or the system flow is too low to function properly.

CAVITATION: THE PUMP HAS BEEN STARVED OF OIL

In this case you need to check that there is enough fuel in the tank. Not only when the system is at rest, but also when all cylinders are extended to their maximum length or all components are in operation. For standard hydraulic gear pumps, the gauge should read a maximum of 5 inches HG at maximum operating speed. A higher number will damage the gear pump, if you have a piston pump, the max number will be lower to prolong the life of the pump.

OVER PRESSURIZATION

The pressure relief setting may have been adjusted or changed and is now higher than the pump can handle without damage. Hydraulic gear pumps don't create pressure, they create flow and can handle pressure. Failure begins when system pressure exceeds pump design. Either gradually or catastrophically.

CONTAMINATION

Over time, the system oil becomes dirty or contaminated and can no longer lubricate the pump, or bring contaminants into the pump. Make sure the oil is clean, the oil filter is changed on schedule, and that there are no entry points for contaminants such as water, dust, or dirt from unfiltered or missing fuel tank filler caps, seals in the motor or cylinder that allow contaminants, etc. .Occasionally, contaminants are accidentally introduced during maintenance work on hydraulic systems.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Hydraulic Pump Efficiency and Electric Motor Size

This article helps you understand how choosing the right electric motor size for your hydraulic pump can help reduce energy consumption and improve operating efficiency. The key is to make sure the pump motor is running at peak sustained load.

Calculation of electric motor size

Before choosing the right electric motor, you must know how much horsepower is required to drive the hydraulic pump shaft. We directly get the following formula:

Of course not everyone knows for sure how efficient a hydraulic pump is, so we generally use a common efficiency of about 85%, which gives us a simplified formula:

Low pressure pump

The above formula applies to most hydraulic pump applications, with one notable exception: if the hydraulic pump is operating at very low pressure, the overall efficiency will be well below 85%. This is because the overall efficiency is equal to the mechanical efficiency (internal mechanical friction) plus the volumetric efficiency. Internal friction is generally a fixed value, but volumetric efficiency varies depending on the pressure used. Low-pressure pumps have higher volumetric efficiency because they are less susceptible to internal leakage. However, as pressure rises and internal fluid passes through working surfaces such as pistons, port plates, and lubrication points, volumetric efficiency drops and the amount of torque required to turn the pump to generate pressure rises.

If you are using the pump at low pressure, this difference makes it very important to know the efficiency of the pump! Calculations that do not account for low pressure will result in a design failure.

Accurately assess hydraulic pump efficiency

There are many factors that affect the overall efficiency of a hydraulic pump, so be as accurate as possible when choosing a motor. The best practice for proper sizing is to use data published by the pump supplier showing actual input torque versus pressure or overall efficiency versus pressure.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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Choose a Hydraulic Motor for Your Hydraulic Application

Matching overall efficiency to application performance objectives is optimal in hydraulic system design. As a result, depending on the motor chosen, the architecture of the entire system will change.

When appropriately coupled to a hydraulic system, a hydraulic motor is an actuator that produces rotating actuation. Depending on the system design, this may be unidirectional or bidirectional. A motor and a pump share a similar construction, however the motor will flow into itself and output a rotating drive while the pump flows hydraulic fluid out of the unit with a linear drive.

Because application design best practices dictate that you start with the load requirement, then work back to the prime mover—the pump that will supply the fluid power into the motor chosen to achieve the performance goal—the motor selection comes first in the process.

There is a specific performance profile for each motor type, including the gear, vane, in-line piston, bent-axis piston, and radial piston. Therefore, the first step is to understand the application performance need and which motor type best achieves the purpose. The cost of your motor alternatives and the level of sophistication you want for the entire system must then be considered.

Common types of hydraulic motor

In general, hydraulic motors can be categorized as either high speed, low torque or low speed, high torque.If you want to know more,click here.

Basic Operation Principle of Hydraulic Motors

When choosing a hydraulic motor, it's critical to consider the answers to the following inquiries:

• What are the application's performance requirements?

• What is the required load, breakaway torque, and running torque?

• What are the horsepower and shaft speed?

• What is the operational flow and pressure?

• Is displacement changeable or fixed?

• What is the temperature during operation?

• Is there a chance of leakage?

• What volume of noise can the application withstand?

• How trustworthy is the motor's design?

• Will mechanical or electrical controls be employed?

• Is installation simplicity important?

• Is maintenance ease a requirement?

• What is the estimated lifespan and bearing type?

• How long should the motor last?

• Is the loop open or closed?

• What accreditations and authorizations are required?

When choosing a hydraulic motor, it is important to consider the application's predicted performance requirements before going back to the pump, which is the prime mover. The cost of your motor alternatives and the level of sophistication you want for the entire system must then be considered.

AJA Technology is a hydraulic pumps and motors manufacturer. We meet the needs of users with continuous innovation, high-quality products and perfect services. If you have any questions about hydraulic pumps or hydraulic systems, please call or email us. We are more than happy to serve you.

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