SUN HYDRAULICS
RVIBLDV

***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 RVIBLDV (RVIBLDV) is a three-port normally closed modulating element with relief, designed to offer dual functionality when used with an external orifice. It acts as a bypass compensator, controlling priority flow into the circuit as determined by the external orifice, while bypassing excess input flow to tank port 2. In scenarios where the inlet port 1 pressure exceeds the valve setting, it operates like a standard relief valve. This product is characterized by a compensating pressure of 90 psi (6 bar) for all ranges and features a performance curve that illustrates system pressure against the pressure differential across the control orifice. The valve's capacity and performance are dictated by bypass flow rather than control flow. The RVIBLDV cartridge is suitable for use in systems utilizing phosphate ester fluids when configured with EPDM seals; however, exposure to petroleum-based fluids can damage these seals. It fits into cavity T-19A and belongs to series 4 with a capacity of 80 gpm (320 L/min). The factory pressure settings are established at 4 gpm (15 L/min), and it can handle a maximum operating pressure of 5000 psi (350 bar). The typical response time is around 10 ms, while maximum valve leakage at 110 SUS (24 cSt) is limited to 5 in\u00b3/min (80 cc/min) at 1000 psi (70 bar). The adjustment mechanism allows for increasing settings through approximately five clockwise turns, with specific torque requirements provided for installation and locknut adjustments. The model weighs approximately 3.10 lb (1.40 kg) and uses Viton seal kits under part number 990019006.