SUN HYDRAULICS
RVCAODN

***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 RVCAODN (RVCAODN) is a ventable, pilot-operated, balanced piston relief cartridge designed for precise pressure regulation in hydraulic systems. This valve remains normally closed and begins to open once the inlet port 1 pressure reaches a predetermined setting, directing flow to tank port 2 to maintain the desired pressure level. It features a vent port 3 that allows for remote control by other pilot or two-way valves, enhancing its versatility in various applications. The RVCAODN is known for its accuracy, low-pressure rise versus flow characteristics, smooth operation, quiet performance, and moderate response speed. This valve can accept maximum pressure at port 2 and is suitable for cross-port relief circuits; however, spool leakage should be considered in such configurations. The main stage orifice is protected by a robust 150-micron stainless steel screen. While not suitable for load-holding applications due to spool leakage, the back pressure on tank port 2 directly adds to the valve setting at a 1:1 ratio. Cartridges with EPDM seals are compatible with phosphate ester fluids but should avoid exposure to petroleum-based substances. The RVCAODN incorporates Sun's floating style construction to minimize internal binding risks due to installation torque or machining variations. It has a cavity T-11A with a Series 1 capacity of up to 15 gpm (60 L/min) and can handle maximum operating pressures of up to 5000 psi (350 bar). The control pilot flow ranges from 7-10 in\u00b3/min (0.11-0.16 L/min), with typical response times around 10 ms. Maximum valve leakage at standard conditions is limited to 2 in\u00b3/min (30 cc/min). Adjustments are made via an internal hex screw and locknut system designed for ease of use and reliability in demanding environments.