LFA25WEA-7X/P12T10

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth LFA25WEA-7X/P12T10 (R900962978) is a sophisticated way cartridge valve designed for seamless integration into compact block systems. This valve is engineered to facilitate pressure, directional, and throttle functions or a combination thereof when controlled by the appropriate pilot control valves. The design allows for efficient customization to match various flow requirements of an actuator, offering a cost-effective solution for multi-functional applications. The LFA25WEA-7X/P12T10 comprises a control cover and an installation kit. The control cover houses the control bores and may include additional features such as stroke limitation, hydraulically controlled directional seat valves, or shuttle valves depending on the desired function. Electrically operated directional spool or seat valves can also be accommodated within the control cover. The installation kit includes essential components like a bushing, ring (up to NG), valve poppet with optional damping nose configurations, and a closing spring. This way cartridge valve operates based on pressure-dependent mechanics with three key pressurized areas: A1, A2, and A3. These areas are crucial for the valve's functionality, with area ratios of either 2:1 or 3:1 between A2 and A1 affecting the annulus area A2 and consequently influencing the overall operation of the valve. Areas A1 and A2 contribute to opening forces while area A3 combined with the spring facilitates closing forces. The spool position within this valve is determined by the net force resulting from these opening and closing pressures. Additionally, it offers versatility in flow direction – it can allow flow from either A to B or B to A based on pressurization specifics. When pilot oil pressurizes area A3 through channel B or via an external supply, channel A remains blocked without leakage. With varying area ratios and different springs offering distinct cracking pressures available within this model range, users can select a configuration that best suits their hydraulic system's requirements for optimized performance.