SUN HYDRAULICS
RBACYEV

***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 RBACYEV (RBACYEV) is a direct-acting, pilot relief cartridge designed to remotely control the pressure setting of other pilot-operated valves. This model is specifically configured with EPDM seals, making it suitable for systems utilizing phosphate ester fluids, while ensuring resistance to petroleum-based substances. The main stage orifice is safeguarded by a 150-micron stainless steel screen, ensuring reliability in load-holding applications. The valve's setting can be adjusted using the W or Y controls across its full range unless a special setting is specified, which then represents the maximum setting limit. It features corrosion-resistant options denoted by suffixes AP or LH for external stainless steel or zinc-nickel plated components respectively. This cartridge incorporates Sun's floating style construction to reduce potential internal part binding due to excessive installation torque or cavity/cartridge machining variations. With a capacity of 0.25 gpm (1 L/min) and a maximum operating pressure of 5000 psi (350 bar), it offers robust performance with typical response times of 2 ms and minimal leakage rates of up to 5 drops/min at 110 SUS (24 cSt). The RBACYEV model requires specific installation torques and adjustments, including a valve hex size of 7/8 inch (22.2 mm) and an adjustment screw internal hex size of 5/32 inch (4 mm). This product is typically employed where precise pressure control is crucial, such as preventing overpressure scenarios in hydraulic systems. Its design ensures fast response times and stability under varying conditions, making it ideal for applications demanding reliable and efficient pressure management solutions.