LC25A40D7X/-004

***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 LC25A40D7X/-004 (R900927162) is a high-performance way cartridge valve designed for seamless integration into compact block systems. This valve excels in versatility, as it can be utilized for a range of functions including pressure control, directional control, and throttle control, or even a combination of these. Its adaptability makes it an ideal component for applications requiring multiple functions in a cost-effective manner. The LC25A40D7X/-004 consists of two main components: the control cover and the installation kit. The control cover is engineered with precision to include control bores and may feature additional functionalities such as stroke limitation, hydraulically controlled directional seat valves, or shuttle valves tailored to the specific needs of the system. In some configurations, electrically operated directional spool or seat valves can also be accommodated within the control cover. The installation kit comprises essential parts like bushing, ring (applicable up to certain sizes), valve poppet (available with or without damping nose), and the closing spring. This valve's operation is pressure-dependent, establishing three vital pressurized areas—A1, A2, A3—each playing a crucial role in its functionality. Area A1 at the valve seat serves as a baseline reference point. Depending on the variant of the valve chosen, annulus area A2 is designed to be either 75% or 50% of area A1. The ratio between areas A1 and A2 influences their respective sizes and determines how they interact during operation. In practical terms, areas A1 and A2 are instrumental in opening the valve while area A3 along with the closing spring facilitate its closure. The balance between these forces dictates the position of the spool within the way cartridge valve. Moreover, this product allows flow from port A to B or vice versa while ensuring that when area A3 is pressurized by pilot oil from channel B or an external source, channel A remains securely blocked without any leakage. The Bosch Rexroth LC25A40D7X/-004 way cartridge valve stands out for its ability to accommodate different cracking pressures due to its various area ratios and optional components like damping noses on valve poppets—further enhancing its application flexibility and performance reliability across different hydraulic systems.