SUN HYDRAULICS
RBACOEV

***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 RBACOEV (Material Number: RBACOEV) is a direct-acting, pilot relief cartridge designed to remotely control the pressure setting of other pilot-operated valves. This cartridge is specifically engineered for use in systems with phosphate ester fluids, utilizing EPDM seals that are vulnerable to damage from petroleum-based substances. It features a main stage orifice protected by a 150-micron stainless steel screen, making it suitable for load-holding applications. The valve's back pressure on the tank port is directly additive to the valve setting at a 1:1 ratio. Users can specify W and Y controls with or without a special setting; in absence of a special setting, the valve remains adjustable throughout its full range. Corrosion-resistant options are available, identified by model code suffixes AP or LH, indicating external stainless steel or zinc-nickel plated components respectively. The cartridge incorporates Sun's floating style construction to minimize internal binding due to excessive installation torque or machining variations. It fits into the Cavity T-10A Series 1 and has a capacity of 0.25 gpm (1 L/min) with a maximum operating pressure of 5000 psi (350 bar). Typical response time is 2 ms with maximum valve leakage at 5 drops/min (0.3 cc/min). The adjustment mechanism allows for five clockwise turns to increase settings, utilizing an internal hex size of 5/32 in (4 mm) and locknut hex size of 9/16 in (15 mm). Installation requires a torque between 30 - 35 lbf ft (41 - 47 Nm) and locknut torque between 80 - 90 lbf in (9 -10 Nm). The model weighs approximately .30 lb (.15 kg) and includes a Viton seal kit under code number: 990010006.