SUN HYDRAULICS
RVBACCN

***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 RVBACCN (RVBACCN) is a ventable, pilot-operated, balanced piston relief cartridge designed as a normally closed pressure regulating valve. This valve opens to the tank port when the pressure at the inlet port reaches its set point, effectively throttling flow to maintain the desired pressure level. It features a vent port that facilitates remote control by other pilot or two-way valves, making it versatile for various applications. The RVBACCN is known for its accuracy, smooth and quiet operation, and moderate response speed. It is capable of handling maximum pressures at port 2 and is suitable for cross-port relief circuits; however, users should note potential spool leakage in such configurations. The minimum setting for all spring ranges is 75 psi (5 bar), but it\u2019s not recommended for load-holding applications due to potential leakage. Back pressure on the tank port directly adds to the valve setting at a 1:1 ratio, and the main stage orifice is protected against contamination. The valve incorporates Sun's floating style construction to reduce risks of internal part binding due to excessive torque or machining variations in cavity/cartridge installations. The RVBACCN has a capacity of 7.5 gpm (30 L/min) with factory pressure settings determined at 4 gpm (15 L/min). It operates under a maximum pressure of 5000 psi (350 bar) with control pilot flow ranging from 7 to 10 in\u00b3/min (0.11 to 0.16 L/min), and exhibits typical response times around 10 ms. Maximum valve leakage stands at 2 in\u00b3/min under specific conditions, with adjustment mechanisms allowing up to five clockwise turns for increased settings. The model weighs approximately .30 lb (.15 kg) and comes with a Viton seal kit option (part number: 990163006).