reciprocating hydraulic pump supplier

Distributor of positive displacement pumps including metering pump & reciprocating pumps. Available in various configurations & designs including foot & flange mounted, metallic & non-metallic, valve system, dual manifold, split delivery, high pressure, high flow, intermediate, large frame & block style including clutch, gear box, direct, belt, electric & gas driven types suitable for liquid handling applications. Features include any position mounting, abrasion resistance, helical gears, radial & thrust load protection. Materials include ductile & cast iron, plastic, stainless steel, aluminum & brass. Capabilities include up to 260 gpm flow rate, 5,000 psi pressure & 3,600 rpm speed.

Hydraulic pumps have made it possible to harness the energy of water to get work done with little or no external power. A combination of water momentum and placement is used to create the movement necessary to create power from a water source. There are several parts involved in an effective hydraulic pump, and if any of the pieces are not working properly, the entire system can come to a halt.

For example, if your reciprocating pump is damaged and cannot run the water wheel, the water will not be moved through at a quick enough rate to achieve the momentum necessary to create energy. Or if your valve is not closing tightly enough, your pump will not have enough pressure to work properly. Damage to reciprocating pumps, valves, rods or plungers can severely limit the efficiency and life expectancy of your pump product.

If you are an owner of a Wheatley or GASO pump, turn to IEQ Industries for an extensive selection of replacement pump parts. If you perform regular maintenance on your pump by replacing old valves, reciprocating pumps and plungers, the lifetime of your pump will be increased. Also, replacing these items as soon as they show signs of damage will save time and money in the long run.

At IEQ Industries, we"re happy to assist our customers with the regular upkeep and repair of their pumps. We supply both national and international clients with reciprocating pumps and other pump parts. Browse through our available parts and services or speak with us directly at 800.544.9053. You can also fill out our

Explore a wide variety of hydraulic reciprocating pump on Alibaba.com and enjoy exquisite deals. The machines help maintain drilling mud circulation throughout the project. There are many models and brands available, each with outstanding value. These hydraulic reciprocating pump are efficient, durable, and completely waterproof. They are designed to lift water and mud with efficiency without using much energy or taking a lot of space.

The primary advantage of these hydraulic reciprocating pump is that they can raise water from greater depths. With the fast-changing technology, purchase machines that come with the best technology for optimum results. They should be well adapted to the overall configuration of the installation to perform various operations. Hence, quality products are needed for more efficiency and enjoyment of the machines" full life expectancy.

Alibaba.com offers a wide selection of products with innovative features. The products are designed for a wide range of flow rates that differ by brand. They provide cost-effective options catering to different consumer needs. When choosing the right hydraulic reciprocating pump for the drilling project, consider factors such as size, shape, and machine cost. More powerful tools are needed when dealing with large projects such as agriculture or irrigation.

Alibaba.com provides a wide range of hydraulic reciprocating pump to suit different tastes and budgets. The site has a large assortment of products from major suppliers on the market. The products are made of durable materials to avoid corrosion and premature wear during operations. The range of products and brands on the site assures quality and good value for money.

Norman Equipment has been a leading supplier of hydraulic equipment including hydraulic piston pumps and motors for over 70 years. Full-line authorized stocking distributor of quality hydraulic components and systems from top manufacturers renowned for performance and reliability.

We recommend using the piston pumps in high-pressure applications. In some cases, it is more economical to run a piston pump compensated that puts out a very low output flow until needed. This lowers electric cost and pump wear that may reduce system down time.

Norman currently stocks the Parker Denison PV (PVP) units and is part of the Parker Denison Distribution Network if another unit is needed that is not in stock at Norman Equipment. Denison is one of the most recognized names in hydraulic units in the world. For many years, their products were recognized by their distinctive blue color. Today, the Denison brand is part of the Parker-Hannifin family and all pumps are painted black.

We sell hydraulic pumps designed for a variety of industries. Our manufacturing facility houses many late model pumps and components. It’s our promise as the premiere hydraulic pump manufacturers in the USA that our highly affordable pumps will meet or exceed the original component specification. There’s no question that with our hydraulics in place your equipment will continue to operate as efficiently as ever. Some of the hydraulic pump parts we offer include high-pressure gear pumps, piston pumps and centrifugal pumps.

Hydraulic pumps (sometimes erroneously referred to as "hydrolic" pumps) are devices within hydraulic systems that transport hydraulic liquids from one point to another to initiate the creation of hydraulic power. They are an important component overall in the field of hydraulics, a specialized form of power transmission that harnesses the energy transmitted by moving liquids under pressure and converts it into mechanical energy. Other types of pumps that are used to transmit hydraulic fluids may also be called hydraulic pumps. Because of the wide variety of contexts in which hydraulic systems are employed, hydraulic pumps are very important in various industrial, commercial and consumer utilities.

The term power transmission refers to the overall process of technologically converting energy into a useful form for practical applications. Three main branches compose the field of power transmission: electrical power, mechanical power, and fluid power. Fluid power encompasses the use of moving gases and well as moving liquids for power transmission. Hydraulics, then, can be considered as a sub-branch of fluid power which focuses on liquid usage as opposed to gas usage. The other field of fluid power is known as pneumatics and revolves around storing and releasing energy with compressed gas.

As described above, the incompressible nature of fluid within hydraulic systems enables an operator to create and apply mechanical power in a very efficient manner. Practically all of the force generated within a hydraulic system is applied to its intended target.

Because of the relationship between force, area, and pressure (F = P x A), it is relatively easy to modify the force of a hydraulic system simply by modifying the size of its components.

Hydraulic systems can transmit power on par with many electrical and mechanical systems while being generally simpler at the same time. For example, it is easy to directly create linear motion with a hydraulic system. On the contrary, electrical and mechanical power systems generally require an intermediate mechanical step to produce linear motion from rotational motion.

Hydraulic power systems are generally smaller than their electrical and mechanical counterparts while generating similar amounts of power, thus providing the advantage of conserving physical space.

The basic design of hydraulic systems (a reservoir/pump connected to actuators by some sort of piping system) allows them to be used in a wide variety of physical settings. Hydraulic systems can also be used in environments that are impractical for electrical systems (e.g. underwater).

Using hydraulic systems in place of electrical power transmission increases relative safety by eliminating electrical safety hazards (e.g. explosions, electric shock).

A major, specific advantage of hydraulic pumps is the amount of power they are able to generate. In some cases, a hydraulic pump can produce ten times the amount of power produced by an electrical counterpart. Some types of hydraulic pumps (e.g. piston pumps) are more expensive than the average hydraulic component. These types of disadvantages, however, may be offset by the pump’s power and efficiency. For example, piston pumps are prized for their durability and ability to transmit very viscous fluids, despite their relatively high cost.

The essence of hydraulics lies in a fundamental physical reality: liquids are incompressible. Because of this, liquids resemble solids more than compressible gases. The incompressible nature of liquid enables it to transmit force very efficiently in terms of force and speed. This fact is summarized by a version of "Pascal’s Law" or "Pascal’s Principle", which states that virtually all of the pressure applied to any part of a (confined) fluid will be transmitted to every other part of the fluid. Using alternative terms, this scientific principle states that pressure exerted on a (confined) fluid transmits equally in every direction.

Furthermore, force transmitted within a fluid has the potential to multiply during its transmission. From a slightly more abstract point of view, the incompressible nature of liquids means that pressurized liquids must maintain a constant pressure even as they move. Pressure, from a mathematical point of view, is force acting per a specific area unit (P = F/A). A rearranged version of this equation makes it clear that force equals the product of pressure times area (F = P x A). Thus, by modifying the size or area of certain components within a hydraulic system, the force acting within a hydraulic system can also be modified accordingly (to either greater or lesser). The need for pressure to stay constant is responsible for making force and area reflect each other (in terms of either growing or shrinking). This force-area relationship can be illustrated by a hydraulic system containing a piston that is five times bigger than a second piston. if a certain force (e.g. 50 pounds) is applied to the smaller piston, that force will be multiplied by five (e.g. to 250 pounds) as it is transmitted to the larger piston within the hydraulic system.

The chemical nature of liquids as well as the physical relationship between force, area, and pressure form the foundation of hydraulics. Overall, hydraulic applications enable human operators to create and apply massive mechanical forces without exerting much physical effort at all. Water and oil are both used for power transmission within hydraulic systems. The use of oil, however, is far more common, due in part to its very incompressible nature.

It has previously been noted that "Pascal’s Law" applies to confined liquids. Thus, for liquids to act in a hydraulic fashion, it must function with some type of enclosed system. An enclosed mechanical system that uses liquid hydraulically is known as a hydraulic power pack or a hydraulic power unit. Though specific operating systems are variable, all hydraulic power packs (or units) have the same basic components. These components generally include a reservoir, a pump, a piping/tubing system, valves, and actuators (including both cylinders and motors). Similarly, despite the versatility and adaptability of these mechanisms, these components all work together within similar operating processes, which lie behind all hydraulic power packs.

Hoses or tubes are needed to transport the viscous liquids transmitted from the pump. This piping apparatus then transports the solution to the hydraulic cylinder.

Actuators are hydraulic components which perform the main conversion of hydraulic energy into mechanical energy. Actuators are mainly represented by hydraulic cylinders and hydraulic motors. The main difference between hydraulic cylinders and hydraulic motors lies in the fact that hydraulic cylinders primarily produce linear mechanical motion while hydraulic motors primarily produce rotary mechanical motion.

Hydraulic systems possess various valves to regulate the flow of liquid within a hydraulic system. Directional control valves are used to modify the size and direction of hydraulic fluid flow, while pressure relief valves preempt excessive pressure by limiting the output of the actuators and redirecting fluid back to the reservoir if necessary.

Two main categories of hydraulic pumps to be considered are piston pumps and gear pumps. Within the piston grouping are axial and radial piston pumps. Axial pumps provide linear motion, while radial pumps can operate in a rotary manner. The gear pump category is also divided into two groupings, internal gear pumps and external gear pumps.

No matter piston or gear, each type of hydraulic pump can be either a single-action or double-action pump. Single-action pumps can push, pull or lift in only one direction, while double-action pumps are multidirectional.

The transfer of energy from hydraulic to mechanical is the end goal, with the pump mechanism serving as a generator. In other cases, however, the energy is expelled by means of high pressure streams that help to push, pull and lift heavy loads.

Hydraulic piston pumps and hydraulic clutch pumps, which operate in slightly different ways, are all utilized in heavy machinery for their versatility of motion and directionality.

And hydraulic water pumps are widely used to transfer water. The design of these pumps dictates that, although a small amount of external energy is needed to initiate the action, the weight of the water and its movement can create enough pressure to operate the pump continuously thereafter. Hydraulic ram pumps require virtually no maintenance, as they have only two moving parts. Water from an elevated water source enters one of two chambers through a relatively long, thick pipe, developing inertia as it moves down to the second chamber, which starts the pump.

The initial energy within a hydraulic system is produced in many ways. The simplest form is the hydraulic hand pump which requires a person to manually pressurize the hydraulic fluid. Hydraulic hand pumps are manually operated to pressurize a hydraulic system. Hydraulic hand pumps are often used to calibrate instruments.

Energy-saving pumps that are operated by a compressed air source and require no energy to maintain system pressure. In both the single and two-stage air hydraulic pumps, air pressure is simply converted to hydraulic pressure, and they stall when enough pressure is developed.

Non-positive displacement pumps that are used in hydraulics requiring a large volume of flow. Centrifugal pumps operate at fairly low pressures and are either diffuser or volute types.

Convert hydraulic energy to mechanical power. Hydraulic pumps are specially designed mechanisms used in industrial, commercial and residential settings to create useful energy from the pressurization of various viscous fluids. Hydraulic pumps are extremely simple yet effective mechanisms for moving liquids. "Hydralic" is actually a misspelling of "hydraulic;" hydraulic pumps rely on the power provided by hydraulic cylinders to power various machines and mechanisms.

Pumps in which the clamps and cylinders are quickly extended by high flow at low pressure in the first stage of operation. In the second stage, piston pumps build pressure to a preset level and then maintain that level.

The construction, automotive manufacturing, excavation, agriculture, defense contracting and manufacturing industries are just a few examples of operations that utilize the power of hydraulics in normal, daily processes. Since the use of hydraulics is so widespread, hydraulic pumps are naturally used in a broad array of industries and machines. In all of the contexts which use hydraulic machinery, pumps perform the same basic role of transmitting hydraulic fluid from one place to another to create hydraulic pressure and energy (in conjunction with the actuators).

Various products that use hydraulics include elevators, automotive lifts, automotive brakes, airplane flaps, cranes, shock absorbers, motorboat steering systems, garage jacks, log splitters, etc. Construction sites represent the most common application of hydraulics in large hydraulic machines and various forms of "off-highway" equipment such as diggers, dumpers, excavators, etc. In other environments such as factories and offshore work areas, hydraulic systems are used to power heavy machinery, move heavy equipment, cut and bend material, etc.

While hydraulic power transmission is extremely useful in a wide variety of professional applications, it is generally unwise to depend exclusively on one form of power transmission. On the contrary, combining different forms of power transmission (hydraulic, pneumatic, electrical and mechanical) is the most efficient strategy. Thus, hydraulic systems should be carefully integrated into an overall strategy of power transmission for your specific commercial application. You should invest in finding honest and skilled hydraulic manufacturers / suppliers who can assist you in developing and implementing an overall hydraulic strategy.

When selecting a hydraulic pump, its intended use should be considered when selecting a particular type. This is important since some pumps may carry out only one task, while others allow more flexibility.

The material composition of the pump should also be considered in an application-specific context. The pistons, gears and cylinders are often made of durable materials such as aluminum, steel or stainless steel which can endure the constant wear of repetitive pumping. The materials must hold up not only to the process itself, but to the hydraulic fluids as well. Oils, esters, butanol, polyalkylene glycols and corrosion inhibitors are often included in composite fluids (though simply water is also used in some instances). These fluids vary in terms of viscosity, operating temperature and flash point.

Along with material considerations, manufacturers should compare operating specifications of hydraulic pumps to ensure that intended use does not exceed pump capabilities. Continuous operating pressure, maximum operating pressure, operating speed, horsepower, power source, maximum fluid flow and pump weight are just a few of the many variables in hydraulic pump functionality. Standard measurements such as diameter, length and rod extension should also be compared. As hydraulic pumps are used in motors, cranes, lifts and other heavy machinery, it is integral that they meet operating standards.

It is important to remember that the overall power produced by any hydraulic drive system is affected by various inefficiencies that must be taken into account to get the maximum use out of the system. For example, the presence of air bubbles within a hydraulic drive is notorious for diverting the energy flow within the system (since energy gets wasted en route to the actuators on compressing the bubbles). Using a hydraulic drive system must involve identifying these types of inefficiencies and selecting the best components to mitigate their effects. A hydraulic pump can be considered as the "generator" side of a hydraulic system which begins the hydraulic process (as opposed to the "actuator" side which completes the hydraulic process). Despite their differences, all hydraulic pumps are somehow responsible for displacing fluid volume and bringing it from the reservoir to the actuator(s) via the tubing system. Pumps are generally enabled to do this by some type of internal combustion system.

Even though hydraulic systems are simpler when compared to electrical or mechanical systems, they are still sophisticated systems that should only be handled with care. A fundamental safety precaution when interacting with hydraulic systems is to avoid physical contact if possible. Active fluid pressure within a hydraulic system can pose a hazard even if a hydraulic machine is not actively operating.

Insufficient pumps can lead to mechanical failure in the workplace, which can have serious and costly repercussions. Although pump failure has been unpredictable in the past, new diagnostic technologies continue to improve on detection methods that previously relied upon vibration signals alone. Measuring discharge pressures allows manufacturers to more accurately predict pump wear. Discharge sensors can be easily integrated into existing systems, adding to the safety and versatility of the hydraulic pump.

A container that stores fluid under pressure and is utilized as a source of energy or to absorb hydraulic shock. Accumulator types include piston, bladder and diaphragm.

A circumstance that occurs in pumps when existing space is not filled by available fluid. Cavitation will deteriorate the hydraulic oil and cause erosion of the inlet metal.

Any device used to convert potential energy into kinetic energy within a hydraulic system. Motors and manual energy are both sources of power in hydraulic power units.

A slippery and viscous liquid that is not miscible with water. Oil is often used in conjunction with hydraulic systems because it cannot be compressed.

A device used for converting hydraulic power to mechanical energy. In hydraulic pumps, the piston is responsible for pushing down and pulling up the ram.

A hydraulic mechanism that uses the kinetic energy of a flowing liquid to force a small amount of the liquid to a reservoir contained at a higher level.

A device used to regulate the amount of hydraulic or air flow. In the closed position, there is zero flow, but when the valve is fully open, flow is unrestricted.

High-performance FlowMaster hydraulic pumps combine rotary-driven pump motors with reciprocating pump tubes and flexible control features that perform in desert heat ...

RS PRO hydraulic barrel pumps, designed for use with 40 gallon metal drums, which will pump up to Hypoid 90 viscosity. These hand pumps fearure nitrile rubber (NBR) seals ...

As the new member of the Hydro product range, the hydraulic diaphragm metering pump Hydro/ 2 API 675 (HA2a) meets the requirements of API 675. The pumps stand ...

The radial piston pump type R consists of valve-controlled pump elements arranged in star form around an eccentric. For large flow rates, up to 42 pump elements can be set up in 6 stars ...

... axial piston pump type V60N is designed for open circuits in mobile hydraulics and operate according to the swash plate principle. They are available with the option of a thru-shaft for operating additional ...

... for open circuits in mobile hydraulics and operate according to the swash plate principle. They are available with the option of a thru-shaft for operating additional hydraulic pumps ...

The K3VG series are swash-plate type axial piston pumps which give excellent performance in high flow industrial applications in a compact and cost-effective package.

... Parker’s hydraulic truck pump series F1 featuring high self-priming speed and high efficiency and is one of the leading truck pumps in the market. The F1 pump provide ...

... Piston Pumps provide fixed-displacement power in a unique miniature design. Engineered for open-circuit systems, they bring flexibility to your operation. Compact Piston Pumps ...

... accessibly priced, aluminium gear pumps and motors are among the components most widely utilized in the field of hydraulic applications. Gear pumps are used to operate hydraulic ...

... and very compact for easier and inexpensive installations. Bent Axis pumps-motors will mount directly to virtually any Bezares PTO in our extensive line.

... displacement bent axis piston pumps were developed with spherical head pistons. This provides extremely high performance and high pressure ratings on a long life span unit. Flow rates range from 10.5 to 29 GPM. These ...

Sophisticated technology in the smallest space - this is what our Alfra electro-hydraulic pumps stand for. Due to the compact design, the powerful drive units also find room when things ...

Our hydraulic cylinder with a quick coupling has a performance up to 11 tons pressure – with a deadweight of only 2,5 kg. The SKP-1 is compatible with the ALFRA foot pump. Your advantage: Your hands are ...

... our ALFRA hydraulic cylinder SKP-1. In a team with the hydraulic pump DSP-120 it is capable to take a variety of challenges – because the SKP-1 working with a maximum operating pressure ...

... quality carbon steel, the pump design features allow it to work with viscous lubricants without any additional complicated priming procedures. The pump, when combined with a suitable ...

The Bansbach hydraulic pump series is an industrial offering that permits a wide range of applications, taking into account its configurable height mechanism. This device allows easy task execution with ...

... alkitronic hydraulic pumps with electric or pneumatic drive provide fast operating speed, reliability, and safety. They are designed for permanent operation. Our hydraulic ...

Of the same design as the XPi pumps, the XAi fixed displacement pumps are with SAE flange and shaft and are available in displacements from 18 to 63 cc/rev.

Bent axis XPi pumps are specially designed to meet the needs of truck equipment. Their compact design allows a direct flange-mounting on the PTO. All models are of 7 piston design to ensure optimal flow ...

With their unique design, PA-PAC pumps offer a robust and durable solution to the high pressure needs of truck applications. Combining the automatic dual direction of rotation, high operating pressure (up to 500 bar peak), ...

Viking Pump, a Unit of IDEX Corporation, leads the world in the design and manufacture of rotary Positive Displacement Pumps for use in some of the toughest applications. Since 1911, our innovative products have been key contributors to successful operations in virtually every industry—from military, to food and beverage, to chemicals, fuels, and plastics—reliably pumping materials that are thin, thick, hot, cold, liquid, solid, etc.

Impeller blades revolve inside the casing, rotating the surround fluids. the blades also lubricate and cool the system. Pump bearings are often made to anti-friction, to help the impeller rotate inside the casing. The pump shaft is made of steel, and its size corresponds to the size of the impeller.

A hydraulic hand pump transforms human power into hydraulic energy by combining pressure and flow. The foundation for hydraulic fluid delivery is the simple notion that a handle gives an internal piston leverage under manual pressure. The piston then pushes the hydraulic fluid into the cylinder port. Water and hydraulic fluid are the two most common fluids, and however other pressure media can also be used.

The hydraulic pressure generated can be used to test, calibrate, and adjust various measuring instruments and tools. Hydraulic hand pumps are widely used to load and test mechanical parts when a user requires precise adjustments. They are also used in lifting and lowering heavy things in material handling equipment, which similarly necessitates precise control over the movement of the objects.

The working medium, requisite pressure range, drive type, etc., are only a few of the functional and hydraulic system requirements that are considered when manufacturing hydraulic pumps. In addition, there are numerous design philosophies and hydraulic pump combinations to choose from. Due to this, only a few pumps can completely fulfill all needs. The most common types of hydraulic pumps have already been described.

The use of hydraulic pumps is still common in industrial settings. Elevators, conveyors, mixers, forklifts, pallet jacks, injection molding machines, presses (shear, stamping, bending, etc.), foundries, steel mills, and slitters are examples of equipment used in material handling. With an application"s need, a hydraulic pump is more likely to be used.

Additionally, hydraulic pumps are used in every conceivable mobile or industrial hydraulic machine. They are used on many different pieces of gear, such as excavators, cranes, loaders, tractors, vacuum trucks, forestry equipment, graders, dump trucks, and mining equipment. Mobile applications use hydraulic pumps more commonly than industrial applications since industrial devices typically don"t use electric actuators.

Hydraulic piston pumps use a plunger-like apparatus to move hydraulic fluids through a cylinder in order to effectively raise the pressure for machinery, allowing it to push, pull and lift heavy loads. This particular style of hydraulic pump is the driving force behind heavy-duty machines such as cranes, loaders, backhoes, diggers, and excavators. Piston pumps are not limited to construction work and are also found in aeronautic, automotive, power generation, marine, military, and manufacturing industries, to name a few.

The popularity of hydraulic piston pumps stems from their ability to maximize energy use and productivity. Even a hydraulic hand pump powered by a foot or hand pedal can convert as little as 4.5 pounds of force into 100 pounds of load-moving force. Electric hydraulic pumps can reach pressure ranges up to 4,000 PSI. As capacities show such variability, the intended use of a pump should be carefully considered. Several other variables should also be taken into account. Task-specific power sources, operating speeds, maximum fluid flows, and pump weights are widely available in standard and custom configurations. Measurements such as diameter, rod extension length, height, and width should also be considered, especially when a hydraulic piston pump is to be fitted to a pre-existing hydraulic system.

There are two basic variations of hydraulic piston pumps: axial and radial pistons. The essential difference between the two is the placement of the pistons within the hydraulic cylinder and the directionality of the movement. Axial pistons run parallel to the cylinder, while radial pistons are perpendicular to an inner column running through the cylinder. The latter provides a rotary movement. Axial pistons provide linear motion and are more popular in heavy machinery contexts. Both can be single action or double action pumps. Despite the differing piston placements, both systems function in a similar fashion. Hydraulic fluids, usually oil or water composites, are housed in a reservoir connected to the main cylinder by tubes or hoses. The cylinder houses the pistons and one or more intake check valves and an equal number of discharge check valves. When the piston is withdrawn, it creates a vacuum, and the liquid solution is pulled into the cylinder. The piston is then returned to its original position and the intake valve is sealed. This creates pressure within the enclosed space and compresses the fluids. The plunger-like action is repeated until enough pressure is accumulated to force the hydraulic fluids out through the discharge valve. This creates the energy needed to work the attached machinery and move the intended load.

In a hydraulic system, fluid is conveyed through the various components by the activity of a pump. Pumps work by converting mechanical energy—e.g., the turning of a gear—into hydraulic (i.e., fluid) energy. Hydraulic pumps may be either fixed displacement (conveys a precise, unchangeable amount of fluid during each rotation) or variable displacement (can be altered to change the amount of fluid conveyed). Of these two types, variable displacement pumps are more complicated in design and, therefore, tend to be more expensive.

Hydraulic pumps are used in a wide range of industrial equipment and, for this reason, they exist in a broad assortment of designs, including the following:

Vane pumps – Vane pumps feature a rotating shaft with a number of thin vanes protruding from it. The vanes effectively separate the housing into distinct compartments, each of which conveys fluid from the input to the output as the central rotor turns. Because the rotor is positioned eccentrically, its motion first steadily increase the volume of space in each compartment as the compartments fill and then decreases them as they empty when the fluid is forcefully expelled through the output.

Gear pumps – The typical gear pump has two interlocking gears, one of which is connected to a drive shaft. As the shaft turns, the two gears are put into motion, conveying the hydraulic fluid around the outer perimeter of the housing and finally through the outlet.

Piston pumps – A piston pump is characterised by the presence of one or more pistons, consisting of a cylinder inside a cylinder. The up-and-down motion of the piston conveys hydraulic fluid to the output. These pumps are available in axial and radial designs.

In addition to supplying all types of hydraulic pumps, from stock White House Products can also manufacture piston gear and vane pumps to order. For gear pumps consult the Tailor Made gear pump section of our catalogue. For Vane pumps see the available options in the Vane pump and mtors section of the catalogue. For Piston pumps see the available options in the Standard Piston Pumps section.

If your hydraulic pump requires new parts or to be repaired White House Products can assist with a wide range of spare parts and full repair and test facilities for all types and styles of hydraulic pump. So if you need to replace the entire system, a component or need a component repair, you can count on White House Products for the exact part numbers. Parts for Cessna, Kayaba, Saeur Danfoss, Vickers, and other pump brands are available from stock.

Sometimes, it is a challenge to find an exact match to your application. If a particular hydraulics system manufacturer does not produce a pump for your requirements, we can help. You can have one built to your own specifications, which sets our operation apart from other hydraulic pump suppliers. Register to access this feature, but not before conducting a complete search of our catalogues, as this is the world’s largest selection of hydraulic pumps.

Search filters and the “Quick Find” feature simplify the process of browsing thousands of products from a leading pump system supplier. Your search can be as simple as entering a keyword or part number. By registering, instantly see stock availability and hydraulic pump pricing, and use instant online ordering; for help, our technical support team is always standing by.

A plunger pump operates using the reciprocating motion of plungers or pistons. Depending on the design of the pump, the use of a single or multiple plungers may be used.

Action 3: After reaching it’s maximum position, it is then pushed back into the cavity. During this process, the piston applies enough pressure to the fluid to overcome the pressure in the outlet of the pump. This pressure differential pushes the fluid from inside the cavity through the outlet of the pump.

All these parts have the basic functionality of moving the liquid inside the cylinder. The piston is a lubricated sliding shaft that moves inside the cylinder and pushes the liquid in a forward and backward motion, creating a cavity and a high volume pressure at the outlet. In a diaphragm pump, the diaphragm is used to avoid leaking of the liquid since it completely seals the liquid to penetrate outside, and hence they are especially useful when the liquids are dangerous or toxic. In a plunger pump, there is a high-pressure seal that is stationary and a smooth cylindrical plunger slides through the seal.

Crank and Connecting rod: Crank is a circular disk attached to the motor and used to transfer the rotary motion of the motor to the piston. Piston, in turn, moves in a reciprocating motion with help of a connecting rod.

Reciprocating pumps are different from Centrifugal pumps on basis of its working, features, applications etc. The main difference is that Impellers are used in Centrifugal pumps whereas in reciprocating pumps piston is used to move the liquid. Centrifugal pumps continuously discharge the liquid, unlike reciprocating pumps. They are used for high viscous fluid and are lighter in weight, less expensive as compared to reciprocating pumps.

The basic Quality standards of reciprocating pumps include ISO13710, API (American Petroleum Institute) standard 674, API standard 675 “Positive Displacement Pumps- Reciprocating”  and Reciprocating Pump Standards, Hydraulic Institute.

High Pressure, Low Flow Applications: Reciprocating pumps are generally designed to pump in low flow, high head applications. One of the most extreme of these applications is water jet cutting, where only a few gallons pass through the pump per minute but exceed pressures of 10,000 PSI.

Proven, Common Technology: Reciprocating pumps are one of the oldest, most proven pump types. Today, a wide variety of reciprocating pumps can be found in many different materials, types, and sizes. Reciprocating pumps range from less than 1 horsepower to over 3,000 horsepower.

Durability: Reciprocating pumps are used in some of the most abrasive and corrosive applications. Fluid ends and fluid end parts can be made of many different materials such as stainless steel, aluminum bronze, tungsten carbide, ceramic, and more. A wide selection of valve types is used in abrasive applications such as pumping cement, sand slurry, mud, etc.

Efficiency: Reciprocating pumps operate at high a higher efficiency compared to other pump designs. In most cases, at any setpoint, reciprocating pumps operate around 90%.

There are several performance indicators of a reciprocating pump which determine how effectively it works. Following are some of the key performance indicators:

High Maintenance / Short Life:The main disadvantage of a reciprocating pump is high maintenance and short life. There are many parts in the pump works, all constantly changing directions. Unless careful maintenance takes place, the lifespan of the pump is greatly reduced. While pumps such as centrifugal pumps can last 15 to 20 years with little maintenance, a reciprocating pump requires higher levels of attention and rebuilding several times within the same time frame. The cost of a reciprocating pump rebuild is usually inexpensive which still makes them cost-competitive compared to longer-lasting, higher-priced pump designs.

Pulsations:A characteristic of reciprocating pumps is the production of pressure pulsations through the pump inlet and outlets. The reciprocating motion of the pump produces these pulsations. Increasing the number of pump chambers can greatly reduce the pulsations produced, but it does not remove them completely. To negate damage to piping and surrounding systems or the pump itself, pulsation dampeners must be installed. Further system design can further decrease pulsations to nearly zero. In all cases, overall system design is important when using reciprocating pumps.

Plunger pumps come in a variety of styles, shapes, and sizes. The specific type of pump chosen for an application takes into account the pressures encountered, the flow rates needed, measurement and control systems, fluid viscosity and corrosivity, pipe material, etc. Careful attention should be given to the application before selecting a pump. Selecting the wrong pump for a job can result in damage to equipment, piping, systems, and possibly endanger personnel.

Simplex, Duplex, Triplex, Quintuplex Pumps: Many reciprocating type pumps are simplex(one), duplex (two), or triplex (three) cylinder. Duplex pumps are usually used where the two pumps can be used alternatively. Such pumps are commonly used in oil-line pumping, mine de-watering, and chemical and petroleum products transfer, but has many more applications. A triplex pump consists of three plungers, with the aim of reducing the pulsation of a single reciprocating pump. Quintuplex pumps are designed with a gear case that assists in a high-pressure task. Common applications of which are in cement slurries, sand-laden fluids, crude oil, acids, mud, and other oil well-servicing fluids. Well known manufacturers for these types of pumps are National, Gardner Denver, FMC, SPM, Oilwell, Kerr, Union, Gaso, Emsco, Aplex, and Wheatley.

Metering Pumps: A metering pump is usually used where the rate of flow of the liquid needs to be adjusted in a specific time period. Most of the metering pumps are piston-driven and are called Piston pumps. Piston pumps can pump at a constant flow rate against any kind of discharge pressure. Both Piston pumps and Plunger pumps are reciprocating positive displacement pumps that use a plunger or piston to move fluid/substance through a cylindrical chamber. Manufacturers such as

Reciprocating Pumps can also be classified according to the number of cylinders: Single cylinder and double cylinder pump. They are also sometimes classified according to their operation, known as simple hand-operated reciprocating pump & power-operated deep well reciprocating pump.

Reciprocating positive displacement pumps are highly effective, where a high degree of accuracy and reliability under different ranges of conditions that are required. Reciprocating pumps with very high efficiency are often available in a wide range of hydraulic, mechanical, and material options. They are widely used across industries such as chemical, petrochemical, refinery, pharmaceutical, cosmetic and water treatment. Typically, these types of pumps are used for applications such as Salt Water Disposal, Well Services, Descaling, Hydraulic Fracturing, and Oil & Gas Pipelines. All types of reciprocating pumps are easily available in the market to meet the diverse demands, as per different processes and applications. Piston pumps are widely used in applications such as Energy Recovery, Steam Recovery and hazardous area pumping and are available with manufacturers such as

Diaphragm Pumps are commonly used for Sludge Transfer, Acid Pumping, and Chemical Fluid Transfer and are easily available with manufacturers such as Wilden, Sandpiper, ARO, Roughneck, and Graco.

All the mentioned manufacturers in this article, offering various kinds of pumps hold a good reputation with respect to quality, price, revenue (value), and market share and are preferred by many consumers. However, a thorough check of all its features, specific to your process application, should be ideally done to buy the most suitable reciprocating pump, which can be used for a longer period of time requiring low maintenance, ease of operation, and easy availability of its spare parts.

Reciprocating pump terms are based on how the fluid is pumped (action) and the number of plungers or pistons (arrangement). For example, a Union TX-200 is a “single-acting triplex plunger pump”, a Gaso 1849 is a “double-acting duplex plunger pump”, and an Oilwell B-558 is a “single-acting quintuplex plunger pump”.

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