SUN HYDRAULICS
RBAALBN

***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 RBAALBN (RBAALBN) is a direct-acting, pilot relief cartridge valve designed to remotely control the pressure settings of other pilot-operated valves. This valve is specifically intended for applications that require load holding, as it maintains stability and prevents overpressure by managing pilot flow. The main stage orifice is safeguarded by a 150-micron stainless steel screen, ensuring durability and reliability in various operational environments. Notably, the back pressure on the tank port (port 2) directly adds to the valve setting at a 1:1 ratio, allowing for precise control. The RBAALBN model is compatible with systems using phosphate ester fluids when equipped with EPDM seals; however, it should not be exposed to petroleum-based fluids as this can damage the seals. This cartridge valve features corrosion-resistant options identified by suffixes like AP for external stainless steel components or LH for external zinc-nickel plated components. These options make it suitable for use in corrosive environments. Incorporating Sun's floating style construction, this valve minimizes the risk of internal parts binding due to excessive installation torque or variations in cavity/cartridge machining. It has a capacity of 0.5 gpm (2 L/min) and can operate at a maximum pressure of 5000 psi (350 bar). The response time is typically around 2 ms, with maximum valve leakage at 110 SUS being just 5 drops/min (0.3 cc/min). The adjustment mechanism allows up to five clockwise turns to increase settings, with specified torque values ensuring secure installation and adjustment. Overall, the Sun Hydraulics RBAALBN offers robust performance in controlling hydraulic pressures within various systems while providing adaptability through its configurable features and corrosion-resistant options.