SUN HYDRAULICS
RVEALVN

***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 RVEALVN (RVEALVN) is a ventable, pilot-operated, balanced piston relief cartridge designed for precise pressure regulation in hydraulic systems. This normally closed valve begins to open to the tank port when the inlet port pressure reaches the set threshold, effectively throttling flow to maintain desired pressure levels. It features a vent port that allows for remote control via other pilot or two-way valves. Known for its accuracy and smooth operation, this valve offers low pressure rise versus flow and moderate speed. It can handle maximum pressure at the tank port and is suitable for cross-port relief circuits, although spool leakage should be considered in such applications. The main stage orifice is safeguarded by a 150-micron stainless steel screen, but it's important to note that this valve isn't ideal for load-holding applications due to potential spool leakage. Back pressure on the tank port directly adds to the valve setting at a 1:1 ratio. The cartridge is equipped with EPDM seals suitable for phosphate ester fluid systems but should not be exposed to petroleum-based fluids as they may cause seal damage. Incorporating Sun's floating style construction minimizes binding risks due to installation torque or machining variations. With a capacity of 30 gpm (120 L/min) and maximum operating pressure of 5000 psi (350 bar), it has a typical response time of 10 ms and maximum valve leakage of 3 in\u00b3/min at 1000 psi (50 cc/min at 70 bar). The adjustment requires up to five clockwise turns with an internal hex size of 5/32 inches, while its installation torque ranges from 45-50 lbf-ft (61-68 Nm). The model weighs .70 lb (.30 kg) and is compatible with Viton seal kits, ensuring reliable performance in demanding hydraulic applications.