PR50-38A-8T-N-33/ REDUCING VALVE

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The Hydraforce PR50-38A-8T-N-33/ (5614933) is a screw-in, cartridge-style, direct-acting spool-type hydraulic pressure reducing/relieving valve. It features an internal spring chamber drain and a spool damping chamber, making it ideal for pressure regulation in secondary circuits. The valve allows bidirectional flow from port 2 to port 1 in its steady state, with the spring chamber constantly drained at port 3. When a predetermined pressure is reached at port 1, the cartridge shifts to block flow at port 2, regulating pressure at port 1 and relieving excess pressure from port 1 to port 3. This model comes equipped with hardened spools and cages for enhanced durability and has optional spring ranges up to 227.5 bar (3300 psi). The valve's construction ensures that adjustments cannot be backed out inadvertently, preventing the springs from going solid. It fits industry-common sizes and offers protection for Port 2 with an optional screen rated at 60 mesh or 250 microns. The PR50-38A-8T-N-33/ supports various fluid temperature ranges based on seal type: -40 to 100 \u00b0C with Buna N seals, -26 to 204 \u00b0C with fluorocarbon seals, and -54 to 107 \u00b0C with polyurethane and urethane seals. It can withstand pressures up to a burst rating of 1034 bar (15000 psi), making it robust for high-pressure applications. The valve's corrosion protection meets the ASTM B117 standard with a salt spray resistance of up to 960 hours. Suitable fluids include mineral-based or synthetic fluids with lubricating properties within a viscosity range of 7.4 to 420 cSt. Installation requires a VC10-3 cavity size with torque specifications ranging from 33.9 to a maximum of 67.8 N-m for cartridge installation, ensuring secure fitment in compatible systems.