RAH121S50 Relief Valve
$402.50
- Payment by invoice possible
- Not currently in stock, contact us for factory lead times
- Payment by invoice possible
- In stock at factory, ready to ship in estimated 1-2 weeks, contact us for expedited options
- Del Rey is proud to be the exclusive distributor of Waagene products
- Payment by invoice possible
- Low quantities typically kept on hand; please contact us for availability at lead time
- Authorized miniBOOSTER distributor & hydraulic excellence partner
Product Description
Parker’s RAH121S50 Relief Valve is a pilot-operated valve designed for continuous duty applications. It offers superior stability with low pressure drop, working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm). This valve is exclusively available in North America.
Additional information
Product Specifications
| Part Number | RAH121S50 | Brand | Parker |
| Configuration | Pressure Relief | Division | Hydraulic Cartridge Systems Division |
| Function | Pilot Operated | Seal Material | Nitrile |
| Valve Material | All parts steel. All operating parts hardened steel | Adjustment Mechanism | Screw |
| Standard Setting Pressure | 172.4 bar | 2500 psi | Maximum Operating Pressure | 350 bar | 5000 psi |
| Maximum Tank Pressure | 350 bar | 5000 psi | Reseat Pressure | 80% of pressure setting |
| Pressure Control Range | 34.5-350 bar | 500-5000 PSI, 34.5-350 BAR | 500-5000 psi | Flow Rate | 50 Gal/min | 50 GAL/MIN, 189.5 L/MIN | 189.5 L/min |
| Maximum Flow Rate | 50 Gal/min | 189.5 L/min | Leak Rate | 82 @ 75% Crack Pressure cm3/min |
| Maximum Inlet Pressure Rating | 380 bar | 5500 PSI, 380 BAR | 5500 psi | Filter Efficiency Rating | ISO 4406 18/16/13, SAE Class 4 |
| Pressure Control Sensitivity | 118 per turn bar | 1711 per turn psi | Maximum Pressure Setting | 350 bar | 5000 psi |
| Cavity Size | C12-2 | Maximum Operating Temperature | +250 °F | +121 °C |
| Operating Temperature | -30 to +250 °F | -34 to +121 °C | Minimum Operating Temperature | -34 °C | -30 °F |
| Installation Torque | 92-96 lb-ft | 124-130 Nm | For Fluid Type | Mineral-based or synthetic hydraulic fluids |
| Actuation Type | Pressure Sensing | Mounting Type | Screw in cartridge valve |
| Operation Type | Automatic | Maximum Kinematic Viscosity | 45-2000 SSU (6 to 420 cSt) |
| Weight | 0.22 kg | 0.48 lb |
