SUN HYDRAULICS
RVGAKJN

***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 RVGAKJN (RVGAKJN) is a ventable, pilot-operated, balanced piston relief cartridge designed for precise pressure regulation. This normally closed valve opens to the tank port 2 when the inlet port 1 pressure reaches the preset level, throttling flow to maintain consistent pressure. It features a vent port 3 for remote control via other pilot or 2-way valves. Known for its accuracy and smooth operation, it has low pressure rise versus flow and operates quietly with moderate speed. The valve accepts maximum pressure at port 2, making it suitable for cross-port relief circuits; however, spool leakage should be considered in such applications. The main stage orifice is protected by a 150-micron stainless steel screen. It is not recommended for load-holding applications due to potential spool leakage. Any back pressure on tank port 2 directly adds to the valve setting at a 1:1 ratio. Cartridges with EPDM seals are intended for systems using phosphate ester fluids as exposure to petroleum-based substances can damage the seals. The design incorporates Sun's floating style construction to minimize internal binding risks due to installation torque or machining variations. The RVGAKJN fits into Cavity T-17A and belongs to Series 3 with a capacity of up to 60 gpm (240 L/min). It can operate at pressures up to 5000 psi (350 bar), with control pilot flow ranging from 15-20 in\u00b3/min (0.25-0.33 L/min). Typical response time is around 10 ms, and maximum valve leakage at specified conditions is approximately 4 in\u00b3/min (65 cc/min). Adjustment requires up to five full clockwise turns, with specific torque requirements for installation and adjustments detailed in its specifications. The model weighs approximately 1.60 lb (0.70 kg) and uses Viton seal kits available under part number 990017006.