High-pressure pressure relief valve PHRA series

proportionaldirect-operatedpoppet

This direct-acting valve is ideally suited for high pressure hydraulic applications (up to 5000 psi) where a fast opening safety relief valve is needed to prevent system damage from pressure spikes. Minimum cracking pressures are available from 3000-5400 psid. An integral safety screen is available for added protection. - High Pressure Relief Valve - Diameter: 0.375 inches - Full Open Lohm Rate: 400 Lohms max - Nominal System Pressure: Up to 5000 psi - Cracking Pressure Range: 3000 to 5400 psi General Performance - Leakage at Minimum Cracking Pressure: 2 mL / Minute Maximum - Leakage at Minimum Shutoff Pressure: 2 mL / Minute Maximum - Restriction at Minimum Recommended Valve Lift: 1500 Lohms - Nominal System Pressure: up to 5000 psi - System Peak Pressure: 6750 psi Maximum - Nominal Weight: 20 grams - Test Fluid: MIL-PRF-83282 at 85°F Materials - Body: 304 CRES (AMS 5639) - Pin: 17-4PH CRES (AMS 5643) - Poppet: 304 CRES (AMS 5639) - Seat: 440C CRES (AMS 5630) - Spring: 17-7PH CRES (AMS 5678) - Ball: Tungsten Carbide - Retainer: 15-5PH CRES (AMS 5659) - Tube: 13-8 MO CRES (AMS 5629) - Orifice Plate: 304 CRES (AMS 5639) - Shim: 17-7PH CRES (AMS 5529) - Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate. Replacement Parts & Accessories - CUTA3750514C: Installation / Extraction Tool Set - PHRA3750003A: Replacement Pin