Direct Acting Cross-Over Relief Valves A04J2HWV

Cross-Over/Cross-Port Relief cartridge valves provide pressure protection to hydraulic motors, cylinders and rotary actuators. 32 GPM, 5000 PSI, single or dual cartridge, in-line, manifold or motor mount. Higher flow and pressure solutions available.

Dual crossover relief valves, often referred to as cross-port reliefs, provide pressure protection for double acting hydraulic actuators. They are typically used with equal area actuators including motors, double-rod cylinders and rotary actuators. Providing relief protection in both actuator lines helps to prevent damage that may occur from pressure spikes or deadhead conditions in both operating directions. Parker’s XR101 and A04J2 common cavity cross-port relief valves provide actuator pressure protection in both directions with a single cartridge valve. They can be mounted in-line with standard line-bodies or integrated into custom manifolds. Combining two relieving functions into a single cartridge reduces components, space and cost. Parker’s XRDH family of cross-port relief valves uses two differential area relief valves combined into a single body. Utilizing the two cartridge approach allows for higher flows with lower pressure drops and lower pressure rise. Standard catalog options are available for in-line plumbing or direct motor mount. The XRDH103 motor mount option locates the relieving functions directly on the motor ports which reduces pressure clip response time and also reduces plumbing as compared to in-line cross-port reliefs. XRDH103 is designed for use with Parker TB and TE low-speed-high-torque (LSHT) motors. Other motor mount options are available upon request. Please contact Parker Hydraulic Cartridge Division if you have a cross-port relief application that requires higher flow and pressure requirements. Higher flow cross port relief can be achieved using Direct Acting Reliefs, Differential Area Reliefs, Pilot Operated Reliefs and Logic Element Circuits.

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