SUN HYDRAULICS
RVGDKBV

***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 RVGDKBV (RVGDKBV) is a ventable, pilot-operated, balanced piston relief cartridge with an external drain, designed as a normally closed pressure regulating valve. This model is engineered to open to the tank port 2 when the inlet port 1 pressure reaches the valve setting, effectively throttling flow to maintain regulated pressure. It features a vent port 3 for remote control integration and a drain port 4 that ensures insensitivity to back pressure. Known for their accuracy and low-pressure rise versus flow characteristics, these valves operate smoothly and quietly with moderate speed. The RVGDKBV can handle maximum pressure at port 2, making it suitable for cross-port relief circuits\u2014though spool leakage should be considered in such applications. The main stage orifice is safeguarded by a 150-micron stainless steel screen. This model is not recommended for load-holding applications due to potential spool leakage. Pressure at port 4 directly adds to the valve setting at a 1:1 ratio and should not surpass 5000 psi (350 bar). Its construction incorporates Sun's floating style design, minimizing internal part binding risks from excessive installation torque or cavity/cartridge machining variations. The RVGDKBV fits into Cavity T-23A Series 3 and has a capacity of up to 60 gpm (240 L/min). Factory pressure settings are established at 4 gpm (15 L/min), with a maximum operating pressure of 5000 psi (350 bar) and control pilot flow ranging from 15 to 20 in\u00b3/min (0.25 to 0.33 L/min). Typical response time is around 10 ms, with maximum valve leakage at approximately 4 in\u00b3/min under specific conditions. Adjustments can be made via an internal hex screw with five clockwise turns increasing the setting. The valve's installation requires specific torque values for optimal performance, with its overall weight being approximately 1.60 lb (0.70 kg).