SUN HYDRAULICS
RVEAKIV

***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 RVEAKIV (RVEAKIV) 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 the inlet pressure reaches its set point, effectively throttling flow to maintain desired pressure levels. It features a vent port that allows for remote control by other pilot or two-way valves. The RVEAKIV is known for its accuracy, low-pressure rise versus flow characteristics, smooth operation, quiet performance, and moderate response speed. It can handle maximum pressure at port 2 and is suitable for use in cross-port relief circuits; however, users should consider spool leakage in such applications. The valve is equipped with a 150-micron stainless steel screen protecting the main stage orifice and incorporates Sun's floating style construction to reduce the risk of internal binding due to excessive installation torque or machining variations. The RVEAKIV cartridge has a capacity of 30 gpm (120 L/min) and can operate at pressures up to 5000 psi (350 bar). Its control pilot flow ranges from 10 to 15 in\u00b3/min (0.16 to 0.25 L/min), with a typical response time of 10 ms and maximum valve leakage of 3 in\u00b3/min at 110 SUS (24 cSt) under 1000 psi (70 bar). The valve's adjustment requires five clockwise turns to increase the setting, with specific torque requirements for installation and locknut adjustments. It's important to note that cartridges configured with EPDM seals are intended for use with phosphate ester fluids only, as exposure to petroleum-based substances can damage these seals. The model weighs approximately .70 lb (0.30 kg) and uses Viton seal kits for maintenance and repair purposes.