SUN HYDRAULICS
RVCANDN

***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 RVCANDN (RVCANDN) is a ventable, pilot-operated, balanced piston relief cartridge designed as a normally closed pressure regulating valve. This cartridge opens to the tank port 2 when the inlet port 1 pressure reaches the valve setting, effectively throttling flow to regulate pressure. It features a vent port 3 for remote control by other pilot or two-way valves. Known for its accuracy and smooth operation, this valve has a low-pressure rise versus flow and operates quietly with moderate speed. It is capable of accepting 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 protected by a 150-micron stainless steel screen, ensuring durability and reliability. However, it is not recommended for load-holding applications due to potential spool leakage. The back pressure on tank port 2 directly adds to the valve setting at a 1:1 ratio. Cartridges with EPDM seals are specifically designed for systems using phosphate ester fluids and should not be exposed to petroleum-based substances. This model incorporates Sun's floating style construction to minimize internal part binding due to excessive installation torque or machining variations in cavity/cartridge configurations. It fits into Cavity T-11A Series 1 with a capacity of up to 15 gpm (60 L/min) and operates at a maximum pressure of 5000 psi (350 bar). The typical response time is around 10 ms, with minimal leakage at specified conditions. The adjustment involves up to five clockwise turns to increase settings, facilitated by an internal hex adjustment screw and locknut with specific torque requirements. The model weighs approximately .40 lb (0.20 kg) and can be maintained using Viton seal kits like the 990011006.