The Rexroth R902162788 is a high-performance hydraulic flushing valve block specifically engineered for closed-circuit hydraulic systems. Constructed with a highly durable cast metal valve body, this component plays a critical role in maintaining optimal system temperatures and fluid cleanliness by continuously bleeding off hot fluid from the low-pressure loop for cooling and filtration. The valve features multiple threaded side ports securely sealed by hex plugs, three main working ports located on the mounting face, and integrated pilot and measuring holes for accurate system diagnostics. Identified by part number R902162788 (code 171868-0068), this genuine Rexroth flushing valve ensures maximum efficiency, reliability, and extended service life for your demanding hydraulic applications.