PR58-38A-0-P-20/ REDUCE/RELIEVE

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The Hydraforce PR58-38A-0-P-20 (5606451P) is a high-performance, screw-in, cartridge-style hydraulic pressure reducing/relieving valve. This direct-acting, spool-type valve features an internal spring chamber drain and a spool damping chamber, designed to regulate pressure in secondary circuits. In its steady state, it allows bidirectional flow from port 2 to port 1 while maintaining a constant drain at port 3. When the predetermined pressure is reached at port 1, the valve shifts to block flow at port 2, effectively controlling the pressure at port 1 and relieving excess pressure from port 1 to port 3. The valve supports optional spring ranges up to 248 bar (4200 psi) and features a hardened spool and cage for extended durability. It fits into VC08-3 cavities with an installation torque of up to 47.5 N-m (35 ft-lb). The PR58-38A-0-P-20 operates efficiently with mineral-based or synthetic fluids within a viscosity range of 7.4 to 420 cSt and can withstand operating fluid temperatures between -40\u00b0C and 204\u00b0C depending on seal material used. Its compact design includes a maximum flow rating of 18.9 lpm (5 gpm), making it suitable for various hydraulic applications requiring precise pressure control and reliability under demanding conditions.