Bi-directional, direct-acting relief valve - common cavity - RBUALAN

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Bi-directional, direct-acting relief valve - common cavity - RBUALAN
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RBUALAN
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Modified on: September 02,2026  
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Specifications
Supplier part number: RBUALAN
Name:Bi-directional, direct-acting relief valve - common cavity - RBUALAN
Description:The bi-directional, direct-acting relief cartridge is a normally closed, pressure-limiting valve used to protect hydraulic components from pressure transients. When the pressure differential between ports 1 and 2 exceeds the valve setting, the valve starts to open, throttling flow to limit the pressure rise, regardless of the direction. Because the modulating occurs inside the cartridge, these valves are immune to most of the problems associated with cavitation, namely manifold erosion. The seals on the adjust screw are exposed to system pressure which means this valve can only be adjusted when the pressure is removed. The setting procedure is; check the setting, remove the pressure, adjust the valve, check the new setting. Valve is relatively insensitive to varying oil temperatures and oil borne contamination. Select a spring range where the desired relief setting is approximately mid-range to high between the minimum and maximum pressure to ensure maximum valve repeatability. A deep socket will be needed to install the valve, if the locating shoulder is recessed into the manifold and a crows foot cannot be used to install it.
    
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