RVD50-20A-0-V-50/ RELIEF

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The Hydraforce RVD50-20A-0-V-50 (Material Number: 5612565V) is a screw-in, cartridge-style, direct-acting poppet type relief valve designed for pressure limiting in hydraulic circuit protection. It operates by blocking flow from port 1 to port 2 until the pressure at port 1 is sufficient to unseat the poppet. This valve provides rapid response to load changes with low hysteresis, minimal pressure rise, and low internal leakage. Notably, adjustments cannot be backed out of the valve and the adjuster's height remains constant when adjusting the pressure setting. The hardened poppet and cage enhance durability, and it offers optional spring ranges up to 345 bar (5000 psi). With a maximum pressure rating of 413.7 bar (6000 psi), proof pressure of 785.4 bar (11000 psi), and burst pressure of 1515.8 bar (22000 psi), it is robustly built for high-pressure applications. The flow rating is set at 113.6 lpm (30 gpm) from port 1 to port 2 at maximum pressure with a maximum internal leakage of 0.25 ml/min (5 drops/min) up to 80% nominal conditions. Temperature ratings vary based on seal type, accommodating fluid temperatures from -54 \u00b0C (-65 \u00b0F) to as high as 204 \u00b0C (400 \u00b0F). The valve also features corrosion protection for up to 960 hours in salt spray per ASTM B117 standards. This relief valve fits into industry-common VC10-2 cavities with installation torque requirements ranging from 63.7 to 71.9 N-m (47 to 53 ft-lb). It supports fluids that are mineral-based or synthetic with lubricating properties within a viscosity range of 7.4 to 420 cSt and maintains an ISO cleanliness level of 18/16/13 per ISO4406 standards for optimal performance in various hydraulic systems.