SUN HYDRAULICS
RBAEYCE

***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 RBAEYCE (RBAEYCE) is a two-port, pilot-stage, direct-acting relief cartridge designed for precise pressure regulation. This fully adjustable, normally closed valve opens a flow path from port 1 to port 2 when the inlet pressure at port 1 surpasses the spring force valve setting. It utilizes the Sun T8A two-port cavity, making it ideal for integration with Sun's main stage pilot or vent-to-operate cartridges. This configuration eliminates separate pilot lines and requires only one machined cavity to accommodate both control and primary functions. Ports 1 and 2 can handle pressures up to 5000 psi (350 bar), ensuring robust performance under high-pressure conditions. The RBAEYCE features hardened poppet and seat components for consistent operation, minimal leakage, and superior wear resistance. The backpressure at port 2 is directly additive to the pressure setting at port 1, providing precise control over system pressures. Cartridges with EPDM seals are compatible with systems using phosphate ester fluids but should not be exposed to petroleum-based fluids or lubricants as this will damage the seals. Incorporating Sun's floating style construction minimizes internal part binding due to excessive torque or machining variations during installation. The valve has a capacity of 2.5 gpm (10 L/min) and operates with a typical response time of 2 ms. Maximum valve leakage is limited to 15 drops/minute (1 cc/min), ensuring efficient operation in hydraulic systems. Installation requires a torque of 20-25 lbf ft (27-33 Nm), with additional specifications for adjustment screw size, locknut size, and torque settings provided for ease of use in various applications.