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

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The Hydraforce PS10-40B-0-N-04 (5618100) is a spool type, direct acting, adjustable hydraulic sequence valve designed for external pilot operations with an externally vented spring chamber. This valve effectively blocks flow bidirectionally between ports 2 and 3, with the spring chamber constantly vented at port 4. When the pressure setting at port 1 is reached, the spool shifts, allowing bidirectional flow between ports 2 and 3. Additionally, pressure at port 4 adds to the spring setting in a 1:1 ratio. Key features include adjustments that cannot be backed out of the valve and prevention of springs going solid, with optional spring ranges up to 151.7 bar (2200 psi). The valve is constructed with a hardened precision spool and cage for enhanced durability and fits an industry-common size. This model has a pressure rating of up to 206.8 bar (3000 psi) for ports 1, 2, and 3, while port 4 can handle up to 68.9 bar (1000 psi). It boasts a proof pressure of up to 482.6 bar (7000 psi) and can withstand burst pressures reaching up to 965.3 bar (14000 psi). The flow rating is set at a maximum of 37.8 lpm (10 gpm), with internal leakage capped at a maximum of 82 ml/min under specified conditions. The PS10-40B operates efficiently across various temperature ranges depending on seal material used\u2014buna N seals allow -40 to 100 \u00b0C (-40 to 212 \u00b0F), fluorocarbon seals support -26 to 204 \u00b0C (-15 to 400 \u00b0F), and polyurethane seals accommodate -54 to 107 \u00b0C (-65 to 225 \u00b0F). It provides robust corrosion protection withstanding up to a salt spray test duration of approximately 960 hours per ASTM B117 standards. This model fits VC10-4 cavities and requires specific torque settings for installation: H style plug torque between 10.8 to13.6 N-m and cartridge installation torque from32.5to35.3N-m ensuring proper setup without orientation restrictions.