SUN HYDRAULICS
RBADCWN

***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 Sun Hydraulics directly.***
The Sun Hydraulics RBADCWN (RBADCWN) is a direct-acting, pilot relief cartridge designed for versatile hydraulic applications. It features back-to-back check valves, enabling it to remotely control two other pilot-operated valves or serve as a thermal relief for both ends of an actuator. This valve is specifically tailored for systems where capacity is limited to pilot flow and should be paired with other valves of comparable pilot flows. The integrated check valves prevent cross-talk between the controlled valves, while a single adjustment manages both. The valve\u2019s check cracking pressure is set at 15 psi (1 bar), and any pressure at port 3 directly adds to the valve setting, making it suitable for load-holding applications. The RBADCWN acts as a thermal relief by preventing overpressure from fluid thermal expansion and incorporates Sun's floating style construction to minimize binding risks from excessive installation torque or machining variations. It fits a Cavity T-11A, Series 1, with a capacity of 0.25 gpm (1 L/min) and typical response time of 2 ms. Maximum leakage at 110 SUS (24 cSt) is limited to 5 drops/min (0.3 cc/min). The adjustment requires five clockwise turns to increase settings, with specific torque requirements: valve installation torque is between 30 - 35 lbf ft (41 - 47 Nm), locknut torque is between 80 - 90 lbf in (9 - 10 Nm), and the hex sizes for adjustments are specified as well. This cartridge serves critical roles in systems requiring fast response and reliable pressure control without internal component binding due to its robust construction and precise manufacturing tolerances.