SUN HYDRAULICS
RVIBKBV

***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 RVIBKBV (RVIBKBV) is a sophisticated three-port normally closed modulating element with relief functionality, designed to provide dual operations when used in conjunction with an external orifice. This component primarily functions as a bypass compensator, regulating priority flow into the circuit as dictated by the external orifice, while diverting any excess input flow to tank port 2. Additionally, if the pressure at inlet port 1 surpasses the valve's preset level, it acts as a standard relief valve. The compensating pressure for all ranges is set at 90 psi (6 bar), and its performance curve illustrates system pressure against the pressure differential created across the control orifice. Notably, the valve's capacity and performance are influenced by bypass flow rather than control flow. The RVIBKBV model is equipped with EPDM seals, suitable for systems utilizing phosphate ester fluids; however, exposure to petroleum-based fluids can damage these seals. It features a T-19A cavity from Series 4 with a maximum capacity of 80 gpm (320 L/min). The valve can handle a maximum operating pressure of 5000 psi (350 bar) and typically responds within 10 milliseconds. Leakage at a viscosity of 110 SUS (24 cSt) is minimal, at most 5 in\u00b3/min (80 cc/min) at 1000 psi (70 bar). For adjustments, users can increase settings via up to five clockwise turns of the adjustment screw. The installation requires specific torque settings: valve hex size is 1-5/8 inches (41.3 mm), and installation torque ranges from 350 to 375 lbf-ft (474 to 508 Nm). The adjustment screw has an internal hex size of 5/32 inches (4 mm), while the locknut has a hex size of 9/16 inches (15 mm) and requires a torque of between 80 and 90 lbf-in (9 to 10 Nm). The model weighs approximately 3.10 lb (1.40 kg).