SUN HYDRAULICS
RVBBKAV

***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 RVBBKAV (RVBBKAV) is a three-port normally closed modulating element with relief capabilities. This component is designed to perform two main functions when used with an external orifice. Primarily, it acts as a bypass compensator, managing priority flow into a circuit while any excess input flow is redirected to the tank port 2. Additionally, if the pressure at inlet port 1 exceeds the valve's preset level, it functions as a conventional relief valve. The compensating pressure for all ranges is maintained at 50 psi (3.5 bar). The performance curve of this valve illustrates system pressure against the pressure differential created across the control orifice, highlighting that the valve's capacity and performance are determined by bypass flow rather than control flow. This model fits into cavity T-163A and offers a series 0 capacity of 5 gpm (20 L/min). It can withstand a maximum operating pressure of up to 5000 psi (350 bar) and has an impressive response time of approximately 10 milliseconds. The maximum valve leakage at 110 SUS (24 cSt) is minimal, measured at 2 in\u00b3/min (30 cc/min) at 1000 psi (70 bar). Adjustments to increase settings require up to five clockwise turns, and installation specifications include a valve hex size of 3/4 inch (19.1 mm) with an installation torque range of 20-25 lbf ft (27-33 Nm). Additional specifications include adjustment screw internal hex size of 5/32 inch (4 mm), locknut hex size of 9/16 inch (15 mm), and locknut torque between 80-90 lbf in (9-10 Nm). The model weighs approximately .30 lb (.15 kg), and its seal kit is available in Viton under part number 990163006.