Schroeder Industries has released a protective shroud for the D5 series visual pop-up indicators. This shroud protects D5 indicators against harsh environments and inadvertent impacts that cause indicator cracking/breakage. Visual pop-up indicators provide an economical way to know (at a glance) when a filter element needs to be replaced. With the variance of operating conditions […]
Notes from Hannover: Nine new ideas worth a look
Every other year at Hannover Messe, fluid power manufacturers showcase innovative technologies that advance the industry. With this year’s theme of “Factory of the Future” smart technologies rule. Read them all here, beginning first with a new design from Bosch Rexroth. And stay tuned in the coming weeks as we take more in-depth looks at…
In-tank return line filter assemblies from Hy-Pro are ideal for high velocities
The TFR1 in-tank filter assemblies from Hy-Pro Corp. are ideal for particulate contamination removal in high-velocity hydraulic power unit return line and compact mobile hydraulic OEM installations. Featuring a maximum operating pressure of 150 psi (10 bar), they are rated for operating fluid temperatures of 30° to 225°F (0° to 105°C) and ambient temperatures of –4° to […]
High-pressure stainless steel filter from Argo-Hytos
The HFL 180 high-pressure filters of the HFL series are suitable for applications with extreme ambient conditions thanks to their corrosion-resistant filter housings made of stainless steel. Typical applications include the energy and disposal, mining industry, maritime and offshore sectors. Three different housing Three different housing lengths, as well as various filter finenesses, are available […]
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Filter change proves how costly dirt can be to your hydraulic pump
A pump is the heart of a hydraulic system. When the pump fails, the entire system is down until the pump is operational again. This poses a serious threat to any operation relying on hydraulic systems for productivity. Recently, a hydraulic valve manufacturer was losing 25 pumps a year on their centralized hydraulic system at […]
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Line of suction strainers protects against contamination
FFP’s range of hydraulic reservoir suction strainers protects against both ferrous and non-ferrous contamination. The solid stainless steel rugged design—combined with ample filtration—ensures reliable performance. The FSS Series features connection size of 3/8- to 3-in. BSP with a galvanized steel end cap and center tube. The head is die-cast aluminum. Other features include: By-pass: on request. Permanent […]
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Cleanliness and wear monitoring via modern particle-measurement technology
In hydraulic systems, the oil is regarded as a structural element that handles many diverse tasks, according to engineers at ARGO-HYTOS. Hydraulic fluid transmits power, lubricates, transfers heat, and transports dirt to the filters. Although there are many causes for failure in fluid-power systems, the condition of the oil is usually the main focus besides […]
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MP Filtri highlights updated in-line contamination monitor at IFPE
MP Filtri has launched its new ICM-2.0 in-line contamination monitor at IFPE, to allow users to automatically measure and display particulate contamination, moisture and temperature levels in various hydraulic fluids. Company representatives told me that the newest features of this model include the ability to download data via a USB stick with new USB port […]
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Why should you consider operating temperature when selecting hydraulic fluid?
Hydraulic fluid selection criteria include the expected range of operating temperatures, available means of temperature control and fluid physical properties at expected temperature levels. Where ambient and structural temperatures are above hydraulic fluid flash and/or fire points in a compartment, the potential fire hazard must be considered. Fluid stability is affected by thermal stress, which […]
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Where should you locate hydraulic filters in your system?
Is there an ideal location for placement of hydraulic filters in an operating system, and if so what is the correct type of filter to use? Is one filter sufficient, or should multiple filters be used? Can different types of filtration be combined? Matt Brown, Product Manager Filter Systems for Schroeder Industries explains that in […]
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How does fluid contamination cause components to fail?
Particulate contaminants that are circulating in fluid power systems cause surface degradation through general mechanical wear (abrasion, erosion, and surface fatigue). This wear adds to the problem because it causes increasing numbers of particles to be formed, the result being that wear also continually increases. If this “chain reaction of wear” is not properly contained—by […]
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How do you use Cleanliness Code Charts (ISO 4406)?
The objective of the ISO 4406:1999 is to classify particulate contaminants in hydraulic fluids. Particle counts are determined cumulatively, i.e. > 4 μm, > 6 μm and > 14 μm, and coded for easy comparison. Matt Brown Product Manager Filter Systems at Schroeder Industries gives the following table as an example. “This explains how the ISO […]
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New four-wheel lubrication filter cart
A four-wheel lubrication filter cart is now being offered; the unit features transfer filtered lube oil to equipment components for top off, a kidney loop equipment through on-board filter, and ability to recirculate and filter the on board the 22 gal-storage tank. Other features include: • Filter new oil into the on board storage tank […]
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Clean systems start with hydraulic fluid storage and transfer
IsoLink Oil Transfer Containers from Des-Case play a critical part in keeping hydraulic fluids contaminant free and dry during small volume transfers from oil barrels to the system. Available in three sizes — 4, 7 and 10 liters, they feature a square design that provides 27% more storage capacity than round containers. These containers are used to transfer […]
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COT AB launches COT Oil Refiner to eliminate bound and free water from oil
Water contamination in hydraulic oil can cause harmful effects. The water reduces the oil’s viscosity and lubricating function and water does not work in elastohydrodynamic lubrication. What’s worse, water in hydraulic oil will cause corrosion and metal fatigue and form sludge. Oxidation and hydrolysis shorten the oil’s lifespan. The negative consequences of water in a […]
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How do you use cleanliness code charts?
What is a cleanliness code chart? Cleanliness is not a subjective term, but rather a specific quantitative value. Therefore, a cleanliness code chart is a tool whereby a person responsible for the usefulness and longevity of a machine can set a value for ensuring their hydraulic fluid is clean. “The purpose of the code is […]
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Hydraulic filters at IFPE 2017
A reliable and efficient hydraulic system starts with the fluid. Keeping hydraulic oil conditioned and free of contaminants, air, water and heat is critical to ensuring that all system components run as they are meant to. To ensure this dependability, proper fluid filtration is required and should be taken with great care. Contamination often enters […]
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Offline filtration systems at IFPE 2017
Every three years, manufacturers of fluid power components and systems exhibit at The IFPE show in Las Vegas. This year’s event, from March 7-11, will offer users of these technologies an opportunity learn about the latest in offline filtration systems or kidney loop filters.. Here you can learn how they are constructed and used on […]
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Is chemical analysis all I need to maintain my hydraulic fluid?
Often, users of hydraulic fluid will confuse a chemical analysis with a complete fluid analysis, which provides particle count of contaminants, amounts of water, and more. Oil samples that are sent off to a lab without specific instructions will return with valuable data but not all the data points you require. In most cases, the […]
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What is the purpose of hydraulic fluid?
Hydraulic fluid is used in fluid power systems mainly because of its incompressibility or stiffness. This allows it to provide consistent and powerful transmission of energy throughout a hydraulic system, which allows the actuators to complete the work, whether they are linear or rotary motions. The advantage of a fluid’s compressibility ensures a hydraulic machine […]
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How do you quantify hydraulic fluid cleanliness?
To quantify cleanliness in any fluid power system can’t be condensed into any problem with one solution scenario. Various types of contamination occur in fluid power systems: gaseous (e.g. air), liquid (e.g. water) and solid contaminants (e.g. rust). Solid contamination is subdivided into three groups: extremely hard, hard and soft particles. Extremely hard particles can […]
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Hydraulic fluid test matches real-world conditions
Thanks to higher operating pressures, power density in many hydraulic systems has increased significantly in recent years. That can mean higher performance, smaller and lighter components and better efficiency, although it can also increase the susceptibility to wear and premature failures. Newer pumps and motors are built to handle higher loads and still offer long […]
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DES-CASE reimagines the oil sight glass
Des-Case Corporation, a global manufacturer of specialty filtration products has launched an entirely redesigned oil sight glass (OSG) that pushes the boundaries of what oil sight glasses can do. A clear cylinder that installs in the drain port of the oil reservoir of pumps, gearboxes, bearing housings and other pieces of equipment, the sight glass […]
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Can fluid contamination cause components to fail?
Hydraulic system contamination left unchecked can result in operating failure, expensive equipment damage and major downtime. There are many sources for possible contamination, from both outside and inside the system. Often, hydraulic system contamination can be prevented before it starts if the system is designed correctly to minimize and prevent contamination, according to Lih Fang […]
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How do you remove water from hydraulic fluid?
Various types of contamination occur in fluid power systems: gaseous (e.g. air), liquid (e.g. water) and solid contaminants. Focusing on water, this type of contamination can be caused by moisture from ambient air, leakage of cooling systems or process water, leakage of seals and chemical processes such as combustion, oxidation and neutralization. “Water can be […]
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