RVD50-20A-0-P-15/ RELIEF

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The Hydraforce RVD50-20A-0-P-15/ (5612561P) is a high-performance, screw-in, cartridge-style, direct-acting poppet-type relief valve designed for hydraulic circuit protection by limiting pressure. This valve efficiently blocks flow from port 1 to port 2 until the pressure at port 1 is sufficient to unseat the poppet, ensuring rapid response to load changes with minimal hysteresis and internal leakage. Notable features include non-backout adjustments and a consistent adjuster height regardless of pressure setting changes. Constructed with a hardened poppet and cage, it offers long-lasting durability. The valve accommodates 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 defines crack pressure at 0.95 lpm (0.25 gpm) and reseat pressure at approximately 85% of crack pressure, maintaining a low internal leakage rate of 0.25 ml/min. With a flow rating up to 113.6 lpm (30 gpm) from port 1 to port 2 at maximum pressure, this valve is suitable for various hydraulic applications requiring reliable performance under varying temperature conditions ranging from -40 to 100 \u00b0C (-40 to 212 \u00b0F) with Buna N seals, or broader ranges with other seal options like fluorocarbon or polyurethane seals. The RVD50-20A-0-P-15/ also features corrosion resistance withstanding up to 960 hours in salt spray per ASTM B117 standards and supports fluid viscosities between 7.4 to 420 cSt while operating within ISO contamination levels of 18/16/13 per ISO 4406 standards. Installation requires VC10-2 cavities with torque specifications between 63.7 to 71.9 N-m (47 to 53 ft-lb). Seal kits are available for maintenance needs, enhancing its adaptability in diverse hydraulic systems.