pressure hydraulic pump supplier

Hydraulic systems are in general members of the fluid power branch of power transmission. Hydraulic pumps are also members of the hydraulic power pack/hydraulic power unit family. Hydraulic units are encased mechanical systems that use liquids for hydraulics.

The hydraulic systems that hydraulic pumps support exist in a range of industries, among them agriculture, automotive manufacturing, defense contracting, excavation, and industrial manufacturing. Within these industries, machines and applications that rely on hydraulic pumps include airplane flaps, elevators, cranes, automotive lifts, shock absorbers, automotive brakes, garage jacks, off-highway equipment, log splitters, offshore equipment, hydraulic motors/hydraulic pump motors, and a wide range of other hydraulic equipment.

When designing hydraulic pumps, manufacturers have many options from which to choose in terms of material composition. Most commonly, they make the body of the pump–the gears, pistons, and hydraulic cylinders–from a durable metal material. This metal is one that that can hold up against the erosive and potentially corrosive properties of hydraulic fluids, as well as the wear that comes along with continual pumping. Metals like this include, among others, steel, stainless steel, and aluminum.

First, what are operating specifications of their customer? They must make sure that the pump they design matches customer requirements in terms of capabilities. These capabilities include maximum fluid flow, minimum and maximum operating pressure, horsepower, and operating speeds. Also, based on application specifications, some suppliers may choose to include discharge sensors or another means of monitoring the wellbeing of their hydraulic system.

Next, what is the nature of the space in which the pump will work? Based on the answer to this question, manufacturers will design the pump with a specific weight, rod extension capability, diameter, length, and power source.

Manufacturers must also find out what type of substance does the customer plan on running through the pumps. If the application calls for it, manufacturers can recommend operators add other substances to them in order to decrease the corrosive nature of certain hydraulic fluids. Examples of such fluids include esters, butanol, pump oils, glycols, water, or corrosive inhibitors. These substances differ in operating temperature, flash point, and viscosity, so they must be chosen with care.

All hydraulic pumps are composed in the same basic way. First, they have a reservoir, which is the section of the pump that houses stationary fluid. Next, they use hydraulic hoses or tubes to transfer this fluid into the hydraulic cylinder, which is the main body of the hydraulic system. Inside the cylinder, or cylinders, are two hydraulic valves and one or more pistons or gear systems. One valve is located at each end; they are called the intake check/inlet valve and the discharge check/outlet valve, respectively.

Hydraulic pumps operate under the principle of Pascal’s Law, which states the increase in pressure at one point of an enclosed liquid in equilibrium is equally transferred to all other points of said liquid.

To start, the check valve is closed, making it a normally closed (NC) valve. When the check is closed, fluid pressure builds. The piston forces the valves open and closes repeatedly at variable speeds, increasing pressure in the cylinder until it builds up enough to force the fluid through the discharge valve. In this way, the pump delivers sufficient force and energy to the attached equipment or machinery to move the target load.

When the fluid becomes pressurized enough, the piston withdraws long enough to allow the open check valve to create a vacuum that pulls in hydraulic fluid from the reservoir. From the reservoir, the pressurized fluid moves into the cylinder through the inlet. Inside the cylinder, the fluid picks up more force, which it carries over into the hydraulic system, where it is released through the outlet.

Piston pumps create positive displacement and build pressure using pistons. Piston pumps may be further divided into radial piston pumps and axial piston pumps.

Radial pumps are mostly used to power relatively small flows and very high-pressure applications. They use pistons arranged around a floating center shaft or ring, which can be moved by a control lever, causing eccentricity and the potential for both inward and outward movement.

Axial pumps, on the other hand, only allow linear motion. Despite this, they are very popular, being easier and less expensive to produce, as well as more compact in design.

Gear pumps, or hydraulic gear pumps, create pressure not with pistons but with the interlocking of gear teeth. When teeth are meshed together, fluid has to travel around the outside of the gears, where pressure builds.

External gear pumps facilitate flow by enlisting two identical gears that rotate against each other. As liquid flows in, it is trapped by the teeth and forced around them. It sits, stuck in the cavities between the teeth and the casing, until it is so pressurized by the meshing of the gears that it is forced to the outlet port.

Internal gear pumps, on the other hand, use bi-rotational gears. To begin the pressurizing process, gear pumps first pull in liquid via a suction port between the teeth of the exterior gear, called the rotor, and the teeth of the interior gear, called the idler. From here, liquid travels between the teeth, where they are divided within them. The teeth continue to rotate and mesh, both creating locked pockets of liquid and forming a seal between the suction port and the discharge port. Liquid is discharged and power is transported once the pump head is flooded. Internal gears are quite versatile, usable with a wide variety of fluids, not only including fuel oils and solvents, but also thick liquids like chocolate, asphalt, and adhesives.

Various other types of hydraulic pumps include rotary vane pumps, centrifugal pumps, electric hydraulic pumps, hydraulic clutch pumps, hydraulic plunger pumps, hydraulic water pumps, hydraulic ram pumps, portable 12V hydraulic pumps, hydraulic hand pumps, and air hydraulic pumps.

Rotary vane pumps are fairly high efficiency pumps, though they are not considered high pressure pumps. Vane pumps, which are a type of positive-displacement pump, apply constant but adjustable pressure.

Centrifugal pumps use hydrodynamic energy to move fluids. They feature a rotating axis, an impeller, and a casing or diffuser. Most often, operators use them for applications such as petroleum pumping, sewage, petrochemical pumping, and water turbine functioning.

Electric hydraulic pumps are hydraulic pumps powered by an electric motor. Usually, the hydraulic pump and motor work by turning mechanisms like impellers in order to create pressure differentials, which in turn generate fluid movement. Nearly any type of hydraulic pump can be run with electricity. Most often, operators use them with industrial machinery.

Hydraulic clutch pumps help users engage and disengage vehicle clutch systems. They do so by applying the right pressure for coupling or decoupling shafts in the clutch system. Coupled shafts allow drivers to accelerate, while decoupled shafts allow drivers to decelerate or shift gears.

Hydraulic ram pumps are a type of hydraulic pump designed to harness hydropower, or the power of water, to elevate it. Featuring only two moving hydraulic parts, hydraulic ram pumps require only the momentum of water to work. Operators use hydraulic ram pumps to move water in industries like manufacturing, waste management and sewage, engineering, plumbing, and agriculture. While hydraulic ram pumps return only about 10% of the water they receive, they are widely used in developing countries because they do not require fuel or electricity.

Hydraulic water pumps are any hydraulic pumps used to transfer water. Usually, hydraulic water pumps only require a little bit of energy in the beginning, as the movement and weight of water generate a large amount of usable pressure.

Air hydraulic pumps are hydraulic pumps powered by air compressors. In essence, these energy efficient pumps work by converting air pressure into hydraulic pressure.

Hydraulic pumps are useful for many reasons. First, they are simple. Simple machines are always an advantage because they are less likely to break and easier to repair if they do. Second, because fluid is easy to compress and so quick to create pressure force, hydraulic pumps are very efficient. Next, hydraulic pumps are compact, which means they are easy to fit into small and oddly shaped spaces. This is especially true in comparison to mechanical pumps and electrical pumps, which manufacturers cannot design so compactly. Speaking of design, another asset of hydraulic pumps is their customizability. Manufacturers can modify them easily. Likewise, hydraulic pumps are very versatile, not only because they are customizable, but also because they can work in places where other types of pump systems can’t, such as in the ocean. Furthermore, hydraulic pumps can produce far more power than similarly sized electrical pumps. Finally, these very durable hydraulic components are much less likely to explode than some other types of components.

To make sure that your hydraulic pumps stay useful for a long time, you need to treat them with care. Care includes checking them on a regular basis for problems like insufficient fluid pressure, leaks, and wear and tear. You can use diagnostic technology like discharge sensors to help you with detect failures and measure discharge pressure. Checking vibration signals alone is often not enough.

To keep yourself and your workers safe, you need to always take the proper precautions when operating or performing maintenance and repairs on your hydraulic pumps. For example, you should never make direct contact with hydraulic fluid. For one, the fluid made be corrosive and dangerous to your skin. For two, even if the pump isn’t active at that moment, the fluid can still be pressurized and may potentially harm you if something goes wrong. For more tips on hydraulic pump care and operation, talk to both your supplier and OSHA (Occupational Safety and Health Administration).

Pumps that meet operating standards are the foundation of safe and effective operations, no matter the application. Find out what operating standards your hydraulic pumps should meet by talking to your industry leaders.

The highest quality hydraulic pumps come from the highest quality hydraulic pump manufacturers. Finding the highest quality hydraulic pump manufacturers can be hard, which is why we have we listed out some of our favorites on this page. All of those whom we have listed come highly recommended with years of experience. Find their information nestled in between these information paragraphs.

Once you have put together you list, get to browsing. Pick out three or four hydraulic pump supply companies to which you’d like to speak, then reach out to each of them. After you’ve spoken with representatives from each company, decide which one will best serve you, and get started on your project.

Manufacturer and distributor of standard and custom liquid pumps including hydraulic pumps. Types include high-flow pumps and dual component injection pumps. Hydraulic pumps are available in single acting and double acting pump styles with single or double air drive head types. Features include different pressure ratios, air driven pressures ranging from 60 psi to 60000 psi, pilot air valves, explosion proof construction, external spool valves and air regulators. Liquid pumps are used for oil, water and chemical service applications including lifting, jacking, presses, tooling, roller tensioning, hydrostatic pressure testing, lubrication systems, trash compactors and truck or trailer wheel cylinders. Same day shipping available.

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.

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), ...

Gear Pump Manufacturing (GPM) manufactures a complete range of internationally interchangeable commercial components for Bearing gear pumps, Bushing gear pumps, Motors and Flow Dividers.

Hydraulic Pumps are one of the most important parts of a hydraulic system. International Fluid Power, Inc. offers of full line of pressure loaded fixed displacement hydraulic gear pumps to meet your needs. Pump displacement ranges from .16cc to 89cc. Standard SAE AA, A, or B mounts with keyed or splined shaft offerings. Straight gear, helical gear, or incline gear styles are available to help meet any noise reduction requirements you may encounter. Aluminum body with cast iron mount and cap are standard. Hi-Lo pumps are also included in our offering.

Brevini Fluid Power is a leading manufacturer of hydraulic components in Italy and Europe. Its headquarters is located in Reggio Emilia, Italy and has direct subsidiaries in Italy, France, England, The Netherlands, Germany, Romania, China, India, Singapore and the USA.

Dynamic Fluid Components, Inc. is an ISO 9001:2008 quality certified company offering a full range of hydraulic products and supported by a full service test and repair facility. Dynamic Fluid Components, Inc. product offerings include, fixed displacement hydraulic gear pumps, including a dual stage HI/LO pump, low speed high torques hydraulic motors, flow control valves, check valves, pressure gauges, pressure switches and hydraulic pressure test points and diagnostic testing kits.

Brevini Fluid Power is a leading manufacturer of hydraulic components in Italy and Europe. Its headquarters is located in Reggio Emilia, Italy and has direct subsidiaries in Italy, France, England, The Netherlands, Germany, Romania, China, India, Singapore and the USA.

For many years FluiDyne has provided our customers with professional and competitive services and products. Our Promise is to serve and respect the distributors and resellers of North America and the global market with high quality new and remanufactured pumps, motors, valves, filters and filter elements.

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.

High pressure capability and low input power requirements, as low as 1 HP at 10 000 psi (0.7 kW at 700 bar), make PF500 Series pumps ideal for applications with limited power supply.

Input power requirements, as low as 1 HP at 10 000 psi (0.7 kW at 700 bar), make these pumps ideal for use in remote locations with limited power supply.

These multiple outlet pumps can efficiently supply flow in a circuit with changing flow and pressure requirements. This makes them ideal for Hi-Lo circuits on clamping, pressing and high-pressure tool applications.

With these fixed displacement pumps the direction of output flow is constant, regardless of drive shaft rotation. Bi-directional shaft rotation can be an advantage when using double-ended electric motors, requiring only one model to be specified.

High-pressure pumps with fixed output per revolution and very high volumetric efficiency up to 98%, belonging to the top of the high-pressure hydraulic sector. Create perfect synchronisation of cylinders or hydraulic motors with the multi-output radial piston pumps, thanks to their very high efficiency.  Due to their bidirectional rotation, these pumps can be used universally. Very wide range of speed allowing variable flow rate. Available in combination with under-oil motor for extremely low-noise set-ups.

Permco is a leading manufacturer of high-pressure hydraulic gear/vane pumps and motors, flow dividers, intensifiers, and accessories. Available in a wide variety of sizes and configurations to suit your application needs.

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.

Parker"s Hydraulic Pump and Power Systems Division provides a broad selection of piston pumps, hydraulic motors and power units that help our customers meet their industrial and mobile application needs. Our division is the result of the Parker piston pump business’s acquisition of Denison Hydraulics and merger with the Parker Oildyne Division. Reach higher hydraulic working pressures, get better reliability, higher efficiencies, and achieve lower operating costs and improved productivity on your heavy-duty equipment with Parker’s line of piston pumps and vane pumps, electro-hydraulic actuators, hydraulic motors and power units, piston motors and hydrostatic transmissions.

Northern Hydraulics offers you a full line of industrial hydraulic pumps for sale from a variety of leading manufacturers. If you are looking to buy a new industrial hydraulic pump for agricultural or mobile applications, we will have the pump you need. From two-stage hydraulic pumps for log splitters to hydraulic gear pumps, vane pumps and piston pumps you can be certain we will assist you in finding the correct combination of horsepower and GPM flow. Northern Hydraulics Log Splitter Pumps, Haldex Concentric Log Splitter Pumps and log splitter replacement pumps are always in stock and ready to ship. We are the source for replacing your heavy duty hydraulic dump pumps, clutch pumps, and PTO pumps. These hydraulic pumps for sale are available with a variety of shaft types and displacements from leading hydraulic pump manufacturers including: Cross Manufacturing, Vickers, Permco, Denison, Parker, Eaton, and Rexroth. Direct mount, high pressure, and hand or foot pumps from hydraulic pump manufacturers like Williams Machine & Tool (Williams Hydraulic Pumps), Energy Manufacturing, Enerpac, Simplex, and BVA Hydraulics. We can also find you the correct 12V hydraulic pump, single acting hydraulic pump, or double acting hydraulic pump manufactured by Monarch/Bucher or MTE Hydraulics for use with your lifting applications.

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.

Do pumps create pressure, or just fluid flow? If they don"t create pressure, where does the pressure come from? And does it really matter? Those are some interesting questions we are about to dive into. And we"ll start by using a garden hose as an analogy.

Think of a garden hose: there is no significant pressure within the hose until the flow is restricted (perhaps by placing your thumb over the opening or attaching it to a sprinkler system). If there is a lack of pressure when the hose has been attached to a sprinkler, it can usually be traced back to a split in the hose or a leak where the hose connects to the spigot -- both of which reduce the amount of fluid flow through the hose. Again, it is the resistance that creates pressure.

As evidence for this viewpoint, many engineers point to the fact that the pressure at the pump outlet is always zero when the pump is not connected to a hydraulic system / load. The load that resists the flow of hydraulic fluid is what generates the pressure.

And that pressure increases only enough to overcome the load -- which is a key point here. If there is no resistance, there will be no pressure; and pressure will never be higher than they load. In short, the pump is responsible for the rate of flow while the system it is attached to sets the pressure.

Sometimes people may think there pump isn"t working because it isn"t producing pressure, but in such cases they don"t have the pump attached to a system providing resistance. And that leads to another thought: does a

However, there is another argument that says a difference in pressure between the inlet and outlet is what causes the fluid to flow. From an engineering viewpoint, this could also be argued as a case of which comes first -- the chicken or the egg. And then there are still others that say both are true: a pump generates flow and pressure!

So what are you thoughts: does the pump generate flow, generate pressure, or both? Share your reasoning in the comments below. And if you are in the market for a