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Troubleshooting hydraulic systems: The hydraulic reservoir, the breather and hydraulic fluid contaminants

The hydraulic reservoir plays an important part in hydraulic circuit design. It stores the hydraulic fluid when it isn’t being pushed through the hydraulic system. Before we begin looking at hydraulic reservoirs in more detail, it is worth reminding ourselves how hydraulic systems work and the role that a hydraulic reservoir plays within the overall [...]

An Introduction to Hydraulic Pumps

A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy). Before we begin our introduction to hydraulic pumps by looking at the different types available, it is worth reminding ourselves how hydraulic systems work and the role that a hydraulic pump plays within the system. Hydraulic systems [...]

Four reasons to switch to a smarter hydraulic pump drive system

From efficiency, controllability and versatility to noise and vibration control, learn how smarter hydraulic pump drive systems can benefit industrial applications. To remain a competitive player in today’s hydraulic market, users must begin to upgrade to the technology that allows systems to work smarter, not just harder. The ability to dynamically control machines is game-changing. Technology [...]

Selecting Hydraulic Fluid for your Hydraulic Pump

The hydraulic fluid in a system is one of the most important components yet it is often overlooked; the fluid is the medium for the transmission of power, without sufficient fluid, no work can take place. It also performs functions such as lubrication, heat transfer and allows the conveyance of debris and contamination. How hydraulic [...]

Eaton SystemStak

Eaton SystemStak is a revolutionary, compact system for sandwich-mounting modular valves between a directional control valve and a standard mounting surface. SystemStak gives you a full range of complementary pressure, flow and check valve functions, while saving space, reducing installation costs and increasing efficiency in hydraulic systems. Why use Eaton SystemStak? The SystemStak allows you [...]

MP Filtri LPA3 Portable Particle Counter

MP Filtri launches the LPA3 – a state-of-the-art portable particle counter

MP Filtri's next-generation LPA3 portable particle counter is now available The LPA3 is the culmination of an exhaustive three-year research and development programme. It delivers a market-leading feature set including outstanding speed and accuracy and is fully portable. In a nutshell this enables operators to enjoy the functionality of the lab even when out in [...]

Italgroup HCD Radial Piston Motors

Reap the benefits of the Italgroup (HCD) high pressure hydraulic motor The Italgroup has produced state-of-the-art radial piston hydraulic motors and radial piston flow dividers for more than 30 years from their base in Modena, Italy. In this article we take a closer look at an important milestone in Italgroup's innovation timeline; the 2016 launch [...]

Need help to size a hydraulic cooler? This is the ultimate guide for you…

Everything you need to know to size an Emmegi hydraulic oil cooler Did you know that overheating is second in the list of most common problems with hydraulic equipment? (Leaks rank first.) As a means of power transmission, hydraulics have many advantages. But overall efficiency is NOT one of them. A closer look at efficiency [...]

6 steps to maintain a healthy hydraulic system – ultimately saving you money!

Routine maintenance on your hydraulic system can alleviate performance problems and downtime, prolong hydraulic component life and reduce operating costs. We’re confident that we’ll be able to help if things go wrong, but we’d rather help you get things right in the first place. Following the six simple steps and routines for a healthy hydraulic [...]

Hydraulic Calculations and Formulas

Need help with hydraulic calculations? Our experienced technical engineers can assist with the detailed number-crunching for your particular project and application. To get you started we've provided a quick summary for your reference. There are many hydraulic calculations. For instance the calculation of power output. Hydraulic power is defined as flow multiplied by pressure. The [...]

The vital role of hydraulic cylinder seals

Hydraulic cylinder seals play a vital role in the hydraulic system. Hydraulic cylinder seals are commonly found in applications where components are exposed to liquids. They play a vital role within the hydraulic system, as they enable the transfer of liquid power into linear motion. The hydraulic cylinder seals are manufactured from a variety of [...]

Everything you need to know about hydraulic cylinder maintenance, testing and repairs

Regular hydraulic cylinder maintenance is crucial to the upkeep and performance of your system. 1. Undertake regular cylinder maintenance Regular hydraulic cylinder maintenance is important for optimal performance. Make sure you keep a close eye on the condition of the cylinder rod for any signs of corrosion, pitting or wear. Too much moisture can cause [...]

The ultimate guide to hydraulic cylinders

A hydraulic cylinder is the actuator or ‘motor’ side of a hydraulic system. They are sometimes referred to as the ‘muscles’, making light work of lifting, lowering, moving or ‘locking’ heavy loads. The pump is the ‘generator’ side of the system, which brings in a fixed or regulated flow of oil to the bottom side [...]

Troubleshoot air contamination in a hydraulic system

Air contamination is very common in a hydraulic system. A contaminant is defined as anything that impairs the performance of the hydraulic system and its components. Air contamination in a hydraulic system can be found in hydraulic fluid in four different forms: Dissolved air – hydraulic fluid typically contains 6-12% of dissolved air by volume; [...]

Troubleshooting common hydraulic problems

Use this checklist when troubleshooting the most common hydraulic problems. Before you set-off troubleshooting hydraulic problems, make sure that your own senses are firing on all cylinders. STAY SAFE and before you approach the system make sure all loads are lowered or mechanically secure. DO NOT rely on a hydraulic control valve to hold a load; exhaust [...]

Top tips when assembling your hydraulic equipment

Follow these hints and tips to avoid unnecessary problems and systems downtime when assembling your hydraulic equipment. 1. Most importantly – maintain cleanliness; contamination is the reason for many hydraulic problems. 5. Air hoses can be used to clean hydraulic fittings and other components. However, the air supply must be filtered and dry to prevent [...]

DO’S and DON’TS – hydraulic tubing

Best practise when fitting hydraulic tubing and hydraulic hoses Installing a hydraulic hose is more than simply tightening the metal connections. Our list of DOs and DON'Ts when fitting hydraulic tubing will help you maximise safety and service life. DO Use light cuts to prevent deformation of the tube end. DON'T Take heavy cuts on [...]

The ultimate hydraulic oil guide

Hydraulic oil is one of the most common fluids found in a hydraulic system and it's imperative that it's regularly checked and maintained. Hydraulic oil plays a fundamental role in transporting power through a hydraulic system and lubricating system components. Features and functions: viscosity: how well the fluid flows in certain temperatures; low temperature fluidity: [...]

Keep things cool and lower the oil temperature

Overheating is one of the most common issues in a hydraulic system and is caused by an increase in the hydraulic oil temperature. Hydraulic oil temperature beyond 82°C is likely to damage the hydraulic component seal compounds and accelerating oil degradation. You can usually tell if the temperature is too high, as the viscosity will [...]

The lowdown on hydraulic oil viscosity

Hydraulic oil viscosity is vital when choosing the right hydraulic oil for your system. In hydraulics, there’s a direct relationship between hydraulic oil viscosity and its temperature. For instance, if the temperature of the oil increases then the viscosity decreases. Similarly, when you put cooking oil into a pan and heat it up, the oil [...]

About hydraulic oil leakage and contamination

Hydraulic oil leakage can result in unreliable performance, increased energy consumption and increased maintenance costs. Leaks aren’t always easy to spot and often not detected until the damage is already done. Most leaks are a direct result of wear along the surfaces of hydraulic equipment. However, they can also occur through poor design, inappropriate equipment [...]

Top tips for safe hydraulic cylinder storage

Taking the necessary precautions for safe hydraulic cylinder storage. Prevention is better than cure. Fact. So here are some tips to help ensure that your hydraulic cylinder storage procedures are up to scratch. Clen and dry area Always keep cylinders of all sizes in a clean, dry area and preferably indoors. This is imortant and [...]

Bonfiglioli Designs New Hybrid Technology

Bonfiglioli wheel-traction drives improve precision and efficiency in Huddig revolutionary Tigon Technology backhoe loaders. Bonfiglioli has designed and developed a dedicated solution to the new full hybrid technology machine created and manufactured by Huddig, a leading backhoe loader manufacturer in Sweden. Bologna, Italy, March 2, 2017- Bonfiglioli, a leader in the manufacture of gearboxes, gearmotors […]

10 ways to ensure effective oil analysis

Unplanned downtime disrupts business operations. Above all, effective oil analysis plays a vital role in looking after your machinery. With 70 to 80 percent of all hydraulic failures being down to fluid contamination, it’s not exactly rocket science to say that ensuring regular, effective oil analysis should be high on the agenda. Hydraulic component contamination […]

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Fluid Power Technical Knowledge Hub