New Walvoil Technology Improves Hydraulics Efficiency in Mobile Machinery

    July 27, 2022
    Pairing the updated version of Walvoil's Adaptive Load Sensing system with its new EPX Series directional control valves provides opportunities to greatly reduce energy use in construction equipment and other heavy machinery applications.
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    Walvoil, part of the Interpump Group, has introduced two new technologies aimed at improving the efficiency of hydraulic systems and components used in heavy-duty off-road equipment. The first is an update to its Adaptive Load Sensing (ALS) system which can help to reduce energy consumption and dissipation. 

    ALS provides software and electronic control for hydraulic pumps and valves to help increase their precision which leads to improved operation and efficiency. It allows for electronic flow sharing and flow on demand functionalities, as well, which can aid efficiency of heavy machinery. 

    The company has also introduced the new EPX Series of directional control valves. These electro-proportional valves utilize meter out compensation technology to recover and reuse otherwise wasted energy. 

    By bringing these technologies together, there is the potential to reduce energy consumption by over 20% the company states in its press release announcing the launch of the new products. Doing so can greatly benefit heavy equipment OEMs who are consistently looking for ways to improve the efficiency and productivity of their machines. 

    These efficiency gains will also benefit manufacturers developing electric-powered equipment as efficiency is particularly important in those applications to ensure minimal power draw from various systems and components which could otherwise drain the batteries too quickly. 

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    The company plans to exhibit these new technologies during bauma 2022, one of the largest trade shows for the construction and mining industries taking place in October. 

    About the Author

    Sara Jensen | Executive Editor, Power & Motion

    Sara Jensen is executive editor of Power & Motion, directing expanded coverage into the modern fluid power space, as well as mechatronic and smart technologies. She has over 15 years of publishing experience. Prior to Power & Motion she spent 11 years with a trade publication for engineers of heavy-duty equipment, the last 3 of which were as the editor and brand lead. Over the course of her time in the B2B industry, Sara has gained an extensive knowledge of various heavy-duty equipment industries — including construction, agriculture, mining and on-road trucks —along with the systems and market trends which impact them such as fluid power and electronic motion control technologies. 

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