SUN HYDRAULICS
RVEAKFV

***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 RVEAKFV (RVEAKFV) is a ventable, pilot-operated, balanced piston relief cartridge designed for precise pressure regulation in hydraulic systems. This normally closed valve opens to the tank port when inlet pressure reaches the set threshold, effectively throttling flow to maintain desired pressure levels. It features a vent port that enables remote control through other pilot or two-way valves. Notably accurate with low pressure rise versus flow, the valve operates smoothly and quietly with moderate speed. It can handle maximum pressure at port 2, making it suitable for cross-port relief circuits, though spool leakage should be considered in such applications. The main stage orifice is safeguarded by a 150-micron stainless steel screen, ensuring durability and reliability. The RVEAKFV model is not recommended 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 valve is compatible with systems using phosphate ester fluids when equipped with EPDM seals; however, exposure to petroleum-based substances can damage these seals. Sun's floating style construction minimizes internal binding risks due to installation torque or machining variations. The valve fits into T-2A cavities and supports a flow capacity of 30 gpm (120 L/min), with factory settings established at 4 gpm (15 L/min). It withstands a maximum operating pressure of 5000 psi (350 bar) and requires an installation torque of 45-50 lbf-ft (61-68 Nm). The adjustment screw features an internal hex size of 5/32 inches (4 mm), while the locknut hex size is 9/16 inches (15 mm), torqued between 80-90 lbf-in (9-10 Nm). With a weight of .70 lb (.30 kg), this cartridge offers reliable performance in demanding hydraulic applications.