RVD50-20A-0-N-24/ RELIEF

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The Hydraforce RVD50-20A-0-N-24/ (5612504) is a screw-in, cartridge-style, direct acting poppet type relief valve designed for use as a pressure limiting device 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 is known for its rapid response to load changes, exhibiting low hysteresis, a minimal pressure rise, and low internal leakage. The adjustments on this valve cannot be backed out, ensuring stability in settings without altering the adjuster\u2019s height. Constructed with a hardened poppet and cage, it offers durability and longevity in performance. The RVD50-20A-0-N-24/ supports 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). The valve has a flow rating of up to 113.6 lpm (30 gpm) from port 1 to 2 at maximum pressure, with internal leakage maintained at a maximum of 0.25 ml/min (5 drops/min) up to 80% of nominal levels. Temperature ratings vary depending on seal material: -40 to 100 \u00b0C (-40 to 212 \u00b0F) for buna N seals, -26 to 204 \u00b0C (-15 to 400 \u00b0F) for fluorocarbon seals, and -54 to 107 \u00b0C (-65 to 225 \u00b0F) for polyurethane or urethane seals. It can withstand ambient temperatures between -40 and 70 \u00b0C (-40 and 160 \u00b0F). The valve also features corrosion protection withstanding up to 960 hours in salt spray per ASTM b117 standards. Compatible with mineral-based or synthetic fluids possessing lubricating properties, it accommodates fluid viscosities ranging from 7.4 to 420 cSt and requires an operating contamination level of no more than ISO code18/16/13 per ISO4406 standards.