HYDAC is a specialist in manufacturing hydraulic systems and components. They are renowned worldwide for their reliable filters & filter elements, filter systems, accumulators, valves, pumps, as well as oil coolers and other vital hydraulic system accessories.read more
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What is a hydraulic filter?
Filters can be positioned in different places in the hydraulic system, but their role is always to remove all unwanted particles from the hydraulic fluid and prevent damages of the system's components.
There are many types of filters and they can be classified according to the location of the filter, filtering method, size of pores, and the amount of oil filtered. The most common filter types are suction filters (placed in the suction life before the pump), pressure filters and return filters. You can also encounter a self-contained filter system placed independently from the hydraulic system. These are called off-line filters.
Even brand new hydraulic oil is generally regarded as unsuitable for immediate use and requires filtration before use in a hydraulic system. It is therefore important to filter it first using the off-line filters, or a transfer pump with adequate filtration.
Another type of filter found on a hydraulic system is an air breather, which is an important air filter installed on the tank. They protect the system against any sand, dust or water contaminants.
What is a hydraulic filter element?
A filter consists of a filter housing (outside cover) and the actual filter element. Housings aren’t exchanged often unless they are damaged. It is the inside filter element which needs regular replacements .
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Hydac Bladder accumulators are hydro pneumatic accumulators with a flexible bladder as a separation element between compressible gas cushion and operating fluid. HYDAC bladder accumulators consist of a welded or forged pressure vessel, the accumulator bladder and the fittings for the gas- and medium-side connection. In addition to the standard design, special designs for particular applications are possible, for example for very high discharge speeds and high pressures.
Essential specifications are: Nominal volume: up to 3,300 l, Permitted operating pressure: up to 1,000 bar, Piston speed: depends on the sealing system, normally up to 5 m/s; higher speeds possible, Accumulator shell materials: carbon steel, rustproof materials, lightweight materials.
HYDAC piston accumulators have the following advantages: Minimal pressure difference between fluid side and gas side, Large usable volume, Variable installation position, Piston position can be monitored by various systems, Particularly suitable for back-up configurations, Extreme flow rates, No sudden discharge of gas when seals are worn.
HYDAC has developed a new element technology for power plant applications. The filter elements in the Optimicron® Power series exhibit impressively high levels of robustness, safety and a particularly low pressure drop. In addition, Optimicron® filter elements are compact in design and ensure homogeneous incident flow of the fluid.Read full article
The Finer - The Better: The AutoFilt® RF9 - 3 µm full flow filter improves protection of the hydraulic components. AutoFilt® RF9 filter has been approved based on the results obtained on the successful test on board a Maersk container vessel. In the test...Read full article
When the German federal government set up Industrie 4.0 as a research project, it undoubtedly wasn’t fully aware of the effects it would have on the industrial landscape in Germany. Industrie 4.0 is a revolution that has been designated as such while it is still in progress. For the three previous industrial revolutions, this wasn’t the case.Read full article