SUN HYDRAULICS
RVGDCAV

***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 RVGDCAV (RVGDCAV) is a ventable, pilot-operated, balanced piston relief cartridge with an external drain, designed to function as a normally closed pressure regulating valve. This valve opens to tank port 2 when the inlet port 1 pressure reaches the set valve pressure, thereby throttling flow to maintain regulated pressure. It features a vent port (port 3) for remote control by other pilot or 2-way valves, and a drain port (port 4) that ensures insensitivity to back pressure. The RVGDCAV is known for its accuracy, low pressure rise versus flow characteristics, smooth operation, quiet performance, and moderate speed. This model can handle maximum pressure at port 2 and is suitable for cross-port relief circuits; however, users should consider spool leakage in such applications. Notably, it is not recommended for load-holding applications due to spool leakage. The main stage orifice is safeguarded by a 150-micron stainless steel screen. The valve setting is directly influenced by the pressure at port 4 at a 1:1 ratio but should not exceed 5000 psi (350 bar). It employs Sun's floating style construction to minimize internal part binding due to excessive installation torque or cavity/cartridge machining variations. Key specifications include a capacity of 60 gpm (240 L/min), maximum operating pressure of 5000 psi (350 bar), and control pilot flow of 15-20 in\u00b3/min (0.25-0.33 L/min). Its typical response time is approximately 10 ms with maximum valve leakage of 4 in\u00b3/min at 1000 psi (65 cc/min at 70 bar). The adjustment requires up to five clockwise turns to increase the setting. Installation torque ranges between 150-160 lbf ft (203-217 Nm), while locknut torque ranges from 80-90 lbf in (9-10 Nm). The model weighs approximately 1.60 lb (0.70 kg) and comes with a Viton seal kit option under material number: 990023006.