SUN HYDRAULICS
RPGETAV

***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 RPGETAV (RPGETAV) is a fast-acting, pilot-operated, balanced piston relief cartridge designed to protect hydraulic components from pressure transients. This normally closed valve is engineered to open quickly when the inlet port pressure reaches the preset level, diverting flow to tank port 2 to limit further pressure increase. It features a low pressure rise versus flow and provides rapid response times, typically around 2 milliseconds. The valve's construction allows it to accept maximum pressure at port 2, making it suitable for cross-port relief circuits, although users should consider spool leakage in such applications. The main stage orifice is safeguarded by a 150-micron stainless steel screen. However, this valve is not recommended for load-holding applications due to potential spool leakage. The RPGETAV model incorporates Sun's floating style construction to reduce the risk of internal binding from excessive installation torque or machining variations in the cavity or cartridge. It accommodates back pressure on the tank port directly additive to the valve setting at a 1:1 ratio and can be configured with EPDM seals for use in systems with phosphate ester fluids\u2014note that exposure to petroleum-based substances will damage these seals. The valve fits into a T-3A cavity and supports up to 50 gpm (200 L/min) capacity with a maximum operating pressure of 5000 psi (350 bar). Installation requires specific torques for both the valve body and adjustment components, ensuring secure and optimal performance in hydraulic systems where rapid relief is crucial.