
D4A020N Check Valve, Pilot Operated
$210.14
- 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
European-exclusive D4A020N Pilot Operated Check Valve – This check valve allows free flow in one direction and blocks flow in the opposite direction unless a pilot signal is connected to the valve’s pilot port. Connect the pilot to the tank and the opposite cylinder port line.
Additional information
Product Specifications
| Part Number | D4A020N | Brand | Parker |
| Flow Direction | 2 – 1 Free Flow | Division | Hydraulic Cartridge Systems Division | Mobile Systems Division Europe |
| Function | Single Pilot to Open Check | Pilot Location | 3 |
| Seal Material | Nitrile | Valve Material | All parts steel. All operating parts hardened steel |
| Cracking Pressure | 72 PSI, 5 BAR | 5 bar | 72 psi | Maximum Operating Pressure | 420 bar | 6000 psi |
| Maximum Flow Rate | 8 Gal/min | 8 GAL/MIN, 30 L/MIN | 30 L/min | Flow Rate | 4.2 @ 100 psi (7 BAR) Nominal Gal/min | 16 @ 100 PSI (7 BAR) Nominal L/min |
| Leak Rate | 3 @ 6000 PSI (420 BAR) drops/min | Maximum Inlet Pressure Rating | 420 bar | 6000 psi |
| Filter Efficiency Rating | ISO 4406 18/16/13, SAE Class 4 | Pilot Pressure Ratio | 4:1 |
| Cavity Size | 53-1 | Minimum Operating Temperature | -34 °C | -30 °F |
| Operating Temperature | -30 to +250 °F | -34 to +121 °C | Maximum Operating Temperature | +250 °F | +121 °C |
| Installation Torque | 30 lb-ft | 40 Nm | Actuation Type | Pilot Operated |
| For Fluid Type | Mineral-based or synthetic hydraulic fluids | Maximum Kinematic Viscosity | 45-2000 SSU (6 to 420 cSt) |
| Weight | 0.07 kg | 0.14 lb |

