LFA50RF-7X/F15

***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 LFA50RF-7X/F15 (R900938214) is a sophisticated way cartridge valve designed for seamless integration into a compact block design. It is engineered to fit standardized receiving holes according to ISO specifications, ensuring a snug and secure installation. The valve's power section, featuring connections A and B, can be easily inserted into the control block and covered, with the cover often serving as the link between the power section and pilot control valves. This model's versatility is showcased through its ability to handle pressure, directional, and throttle functions or even combinations thereof. Users benefit from customizing the valve size to match different flow requirements for each actuator path, leading to highly efficient and cost-effective system configurations. Comprising both a control cover and an installation kit, the LFA50RF-7X/F15 includes essential components such as bushings, rings (up to NG), valve poppets (with or without damping noses), and closing springs. The control cover itself houses control bores and may include additional features like stroke limitation functions or hydraulically controlled directional seat valves depending on the overall function needed. The functionality of this way cartridge valve is pressure-dependent with three critical pressurized areas (A1, A2, A3) dictating its operation. The area ratios of A1:A2 can either be 0.7:1 or 0.3:1 based on different versions of the valve. These ratios influence annulus areas A2 and thus affect area A3's proportionality to area A1 at the seat. In terms of dynamics, areas A1 and A2 are active in opening the valve while area A3 alongside the spring work in closing it. The resultant force direction determines the spool position within the way cartridge valve. Additionally, this model allows fluid transfer from port A to B or vice versa with pressurization of area A3 achieved by pilot oil discharge from channel B or an external pilot oil supply ensuring that channel A remains leak-free when blocked. With varying area ratios, multiple spring options, and differing cracking pressures available within its design scope, this Bosch Rexroth way cartridge valve stands as a highly adaptable component suitable for advanced hydraulic systems requiring precise flow control capabilities.