PS10-40A-0-N-04/ SEQUENCE VALVE

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The Hydraforce PS10-40A-0-N-04 (Material Number: 5618000) is a spool type, direct acting, adjustable hydraulic sequence valve designed for precision flow control in hydraulic systems. This valve features an externally vented spring chamber and operates by blocking flow bidirectionally between ports 2 and 3 until the pressure setting at port 1 is reached, at which point the spool shifts to open these ports. The pressure at port 4 adds to the spring setting in a 1:1 ratio. Key specifications include a pressure rating of up to 206.8 bar (3000 psi) for ports 1, 2, and 3, and up to 68.9 bar (1000 psi) for port 4. It has a proof pressure of 482.6 bar (7000 psi) and a burst pressure of 965.3 bar (14000 psi). The valve supports a flow rating of up to 37.8 lpm (10 gpm), with a maximum internal leakage of 82 ml/min at up to 85% of its pressure setting. Temperature ratings vary based on seal material: -40 to 100 \u00b0C with buna N seals, -26 to 204 \u00b0C with fluorocarbon seals, and -54 to 107 \u00b0C with polyurethane seals. The storage and ambient temperature range is -40 to 70 \u00b0C. It offers corrosion protection withstanding up to 960 hours in salt spray conditions per ASTM B117 standards. The PS10-40A model weighs approximately 0.29 kg (0.64 lb) and fits into VC10-4 cavities without orientation restriction. Installation torque specifications are set at H style plug torque of between 10.8 to13.6 N-m and cartridge installation torque between32.5to35 .3 N-m . Optional seal kits are available for various configurations ensuring compatibility with mineral-based or synthetic hydraulic fluids within a viscosity range of7 .4to420 cSt while maintaining an optimal operating contamination level per ISO4406 standards .