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Hydraulic pumps come in different forms to accommodate a range of application requirements, from industrial die presses to heavy-duty off road equipment. One hydraulic system can vary greatly from another. For one system, a hydraulic piston pump may be the best solution, while a hydraulic gear pump may be better suited for a different one.

Powered by a hydraulic drive, a piston pump has a reciprocating positive displacement design to manage fluid flow. Pistons, or cylindrical elements within a cylinder block, create a vacuum, generated by a drive mechanism, that draws in fluid. The cylindrical chamber is pressurised by distributing energy into the fluid, compressing and forcing it towards the pump’s outlet.

Basic designs can generate about 4,000 psi, but pumps with up to 14,500 psi operating pressure are available. There are many different models that can displace a specific amount of fluid. Some allow you to adjust the displacement per revolution, which can make them more energy efficient. Piston pumps are relatively complex in design and expensive, but practical in energy-efficient applications that require high pressures and effective oil flow control.

A hydraulic gear pump is a lower-cost option, but it is quite durable, with many options available. The typical pressure rating is about 3,000 psi, but many displacement sizes and pressures can be found. Some gear pumps are rated as high as 4,500 psi, although additional valves will be needed in systems that require regular flow adjustments.

Gear pumps function by drawing fluid between their meshing gears. The adjacent gear teeth form chambers that are enclosed within the housing and pressure plates. A partial vacuum forms at the inlet where the gear teeth unmesh, allowing fluid to fill the space and be moved along the outer edge of the gears; as the gear teeth mesh again, fluid is forced out of the pump.

Both pumps use hydraulic fluid to transfer energy or generate mechanical force. Hydraulic piston pumps rely on reciprocating motion. Rotational forces are generated along an axis. Fixed and variable displacement pumps are available, as are different types, including axial, inline, bent-axis, plunger, and radial pumps, each with its own unique method of pushing fluid.

On the other hand, gear pumps move fluid via tightly aligned cogs that create suction to draw in and discharge fluid. Pumps with internal or external gears can be used, depending on the application requirements. Lobe, screw, and vane pumps are just some available types. A downside of using gear pumps is that additional devices are needed to control the desired amount of displacement, as they operate on fixed displacement only.

While gear pumps are available in a wide range of displacement sizes and pressures, and they suit various machinery applications, piston pumps offer the benefits of higher pressure ratings and are variable displacement and energy efficient. Rapid cooling means each pump is ready for the next operating cycle and can be serviced soon after shut-off.

Gear pumps typically don’t move more than 50 gallons per minute of fluid. On the other hand, some piston pumps can move hundreds of gallons per minute. Either one has advantages, depending on your hydraulic application.

Hydraulic pumps are available in different types, sizes, pressure ratings, and other specifications. It is important to choose the right pump for your hydraulic system. Gear pumps are suited for various types of machinery. Piston pumps are often found in oil field and agricultural applications, as well as in heavy-duty construction equipment. They are reliable and efficient, and they resist leakage at high speeds and pressures.

White House Products, Ltd. supplies, repairs, and maintains hydraulic gear pumps and hydraulic piston pumps from leading manufacturers. We can assist you in choosing a pump that meets your application requirements. Start browsing our catalog or register/login to view prices/availability and place an order. Contact us at +44 (0)1475 742500 for more information.

plunger <a href=''>hydraulic</a> <a href=''>pump</a> price

Wepuko PAHNKE triplex plunger pumps are high-pressure horizontal plunger pumps in series. They can be designed for almost any pumpable medium. Three plungers are a good compromise between low pulsation, cost-efficient and maintenance-friendly design.

Our plunger pumps consist of two main components: the damped-mounted and lubricated drive and the liquid part, consisting of three cylinders and the valve body. The housing of the power unit is in one piece in these high-performance machines, a compact and inexpensive solution. Built-in pressure or wiper lubrication automatically supplies the engine parts with lubricating oil.

plunger <a href=''>hydraulic</a> <a href=''>pump</a> price

Model 1R are small, low weight, rugged oil immersed type Radial Piston Pumps with 3, 5 or 7 pumping elements. These pumps are valve controlled and there is no restriction on direction of rotation of the pump. The pumps with model "IRE have extension shaft for through drive and are available with extension bracket assembly for coupling a low pressure pump having standard flange as per ISO 3019/1. They are available with 18 displacements and 6 pressure ratings.

plunger <a href=''>hydraulic</a> <a href=''>pump</a> price

Hydraulic PumpLeading Manufacturer of hydraulic hand pump, hydraulic variable pump, hydraulic plunger pump, rexroth axial piston hydraulic pump and hydraulic gear pump from New Delhi.

We are the leading manufacturer of high quality Hydraulic Gear Pump.A gear pump is a type of positive displacement (PD) pump. It moves a fluid by repeatedly enclosing a fixed volume using interlocking cogs or gears, transferring it mechanically using a cyclic pumping action. It delivers a smooth pulse-free flow proportional to the rotational speed of its gears.

plunger <a href=''>hydraulic</a> <a href=''>pump</a> price

Each serves a unique purpose and they’re typically not interchangeable. That’s especially true with plunger pumps and diaphragm pumps. First, we’ll give a brief explanation of how each pump works. Then, we’ll outline the pros and cons of each and how to know which one to choose for your application.

Plunger pumps — sometimes referred to as piston pumps — have a reciprocating plunger that moves back and forth, forcing liquids through a set of valves. Some simple examples in our everyday lives might include a bicycle pump, spray bottle, or squirt gun.

Commercially, plunger pumps are commonly used in soft wash, cleaning, disinfection, pest control, agriculture, and other applications in their electrically powered equipment such as pressure washers, misters and sprayers.

There are similarities between plunger pumps and diaphragm pumps. Both are considered reciprocating pumps, however, the end of the plunger in a diaphragm pump is connected to a flexible diaphragm that flexes back and forth. The human heart, for example, is a type of naturally occurring diaphragm pump.

Another notable difference between plunger and diaphragm pumps that must be considered is the power source. A diaphragm pump can be manufactured to accommodate a gas-powered engine or electric-powered motor. However, a gas-powered diaphragm pump is required to achieve the desired output and power needed for commercial use. Those using electric power are typically sold for residential use in small hand-held sprayers, RV sinks, and other low-impact use.

Positive displacement pumps refers to their ability to capture and move fluid forward through the system. Plunger pumps have a stable flow by use of a pressure regulator. The liquids are dispensed through the plunger pump system at a steady, fixed flow rate due to rigid components, providing consistent, even coverage. Diaphragm pumps also require a pressure regulator but, because some of the components are flexible, the flow is also “flexible,” meaning they’re notorious for losing pressure and having inconsistent flow.

Once again, the flexible components in a diaphragm pump can be its downfall, especially when it comes to applications requiring high PSI. The flexible diaphragm can rupture under high pressure whereas a plunger pump is engineered to withstand repeated high-pressure use. If you’re constantly replacing diaphragm pumps used in your high PSI applications, you may simply need to switch to a more durable plunger pump for an easy solution.

Equipment that uses 12V motors are much quieter than gas engines. If you’re in the pest control industry, for example, but your clients don’t want to call attention to the services you provide to their residences, a 12V pump system will quietly do the job.

Quiet operation also benefits lawn care professionals by increasing the hours of service available to them. In many areas, there are noise restrictions that limit the hours that gas engine diaphragm pumps can be operated. A 12V plunger pump system would not be controlled by this rule.

Unlike a typical centrifugal pump which requires priming to remove air from the pump chamber and avoid becoming inoperable, both the plunger pump and diaphragm pump will self prime. The step of priming a pump isn’t always straightforward, and inexperienced operators may encounter issues, losing precious time and raising labor costs.

Battery technology has advanced significantly in recent years. Today’s 12V plunger pump systems use batteries with extended run times that outlast the capacity of many gas-powered diaphragm pump engines. The operator doesn’t have to stop in the middle of a job to refuel or adjust the throttle, and safety is improved by not having to transport volatile substances. With a 12V system, operators can even ‘refill’ their batteries while driving between jobs.

The battery used in plunger pump systems is comparable to a marine battery and is about the same size. Therefore, the battery-powered unit is much more compact and maneuverable than a gas-powered diaphragm unit, making jobs less taxing on operators and improving safety. If you’re looking for a pump with a smaller footprint, the plunger pump wins out.

If you’re like many organizations that have green initiatives, battery-powered 12V equipment offers the benefits of ‘green’ technology. Concern over gas prices, oil dependency, and pollution will continue to rise, and the latest 12V plunger pump technology is an environmentally responsible power source. Users of 12V equipment may receive more business as a result of these trends in the market compared to diaphragm pumps.

The bottom line is that electric-powered plunger pumps may help your bottom line. Gas engines typically cost more than batteries, and you also need to purchase fuel on an ongoing basis which can experience price volatility over time. Marine-type batteries can be recharged again and again and are generally price-stable. Over time you’ll likely experience significant cost savings with a battery-powered plunger pump, not only from limiting fuel consumption but because of fewer breakdowns, downtime, and repairs.

For commercial cleaning, soft wash, disinfection, pest control, agriculture, lawn care, portable sanitation, and other pump sprayers and misters, an electric-powered plunger pump is clearly the best option. There are several other types of pumps in the industry, too. Learn about seven of the most common types in our Pump Comparison Cheat Sheet below.