Application description Irrigation is defined as the supply of agricultural crops with water. It is used to promote the growth of plants as well as to replace the missing rain, thus increasing the performance potential of agricultural crops. In modern agriculture and against the background of climate change in association with the extreme weather conditions the modern irrigation technology is becoming increasingly important worldwide. Advantages HYDAC solution: Self‐cleaning systemFully automatic functionEfficient and reliable separation of solidsPatented conical element geometry provides more efficiencyMinimal back‐flushing volumeReduced costs for operation and maintenanceCompact design – ideal for retrofittingVariable housing configurationReady‐to‐operate unit Why filtration is essential! The water used for irrigation derives from various water sources such as wells, water recovery systems, sea water or river water. Depending on the water source the irrigation source regularly contains impurities such as algae, mud, sand, sediment or silt. This could cause severe consequences: Failure of valvesFailure of pumpClogging of nozzlesDeterioration of the system performance to complete system failure Your benefits by using an automatic back-flushing filter from HYDAC In the process technology AutoFilt® automatic back‐flushing filters have been highly successful in order to ensure an efficient operation of the whole system. They convince with their flow‐optimized design. Compared to the competition, HYDAC backflushing filters distinguished in particular by their conical filter element geometry. This allows an even flow, optimum filtration and an unbeatable "ideal" filtration and back‐flushing characteristic. Thanks to the automatic back‐flushing the filter is cleaned independently without interrupting the ongoing filtration operation. Their robust design ‐ specially developed for retrofitting ‐ makes installation in both existing and new systems fast and  cost‐effective.

[více]... 18.02.2014

Innovative hydraulic accumulator for hydraulic hybrid drives HYDAC Double Piston Accumulators (DKS-System) are hydro-pneumatic accumulators.  They exploit the full potential of high-pressure accumulators. With their enormous power density and the advantages of their construction, they are best choice for hydraulic hybrid propulsion. The strength of hydraulic hybrid systems therefore lies in the power density, meaning the characteristic of being able to implement quantities of energy within very short intervals of time. This is a robust, tried and tested drive technology.In opposite to standard piston accumulators, the HYDAC double piston accumulators have the following advantages: Exhaustion of the full potential for accumulation and performancePerfect energy balanceCompact designLow weightThe pressure on the suction side of hydrostats remains constantIdeal suction conditions on the displacement unit Due to the permanent coupling of the high pressure and low pressure chambers, only one side of the accumulator needs to be monitored with reference to the filling level or the piston stroke. This makes the oil management or feed after volumetric losses far easier.The HYDAC pouble piston accumulators guarantee optimum suction conditions on hydraulic hybrid system motor-pump units as, in contrast to conventional high pressure - low pressure systems, the pressure on the suction side remains constant. This means that no additional feed pumps are required.Double piston accumulators increase the energy capacity and the implementable performance in comparison to conventional high pressure - low pressure accumulator systems. 

[více]... 09.06.2011

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