Company WESSEL-HYDRAULIK GmbH is an international acting, innovative middle-class business, which  develops, produces and distributes customer-individual special valves and valve systems for mobile  and stationary hydraulic applications.   Main focus of the product range is  Valves for safety functions in mobile and stationary hydraulic applications Valves for the operation of hydraulic attachment of construction machines Complex control valves, including sensory, electronic controls and customer-individual   software WESSEL-HYDRAULIK GmbH has a considerable experience of  more than 50 years in developing and  producing mobile and stationary hydraulic applications. We consider qualification and motivation of  our employees as the most important  key to success. Solutions for advanced hydraulic systems Company Development Production Sales Quality Imprint Applications Products News & Downloads Services Contact Home WESSEL Tool Control plus Upgrading of construction machines equiped with Quick-Coupler-Systems. Proportional control of up to 16 different attachments Load Holding Valves The key for a safe machine: Requirements for Load Holding Valves. . . . Loweríng Brake Valves Safe valve technology for mobile construction machines Main Valve Proportional Control Valve for mobile applications, LS- valve in sectional construction Valves for safety functions in mobile and stationary hydraulic applications Valves for the operation of hydraulic attachment Complex control valves, including sensory, electronic controls and customer-individual   software With effect form October 2011 our company is certified by german customs as AEO-F