*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker D4A020N - Single Pilot Operated, Pilot to Open Check Valves

Parker’s P.O. check valve assemblies allow flow up to 150 lpm (40 gpm) with pressures up to 420 bar (6,000 psi). Return flow can be enable by an external pilot supply, which shifts the internal poppet into an open position.

Availability:	Quote Required
Partner Available:	Quote Required

Brand Parker

Part No. D4A020N

Ship to

Shipping Method

Estimated Delivery

Price

No shipping options

Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Actuation Type	Pilot Operated
Body Material	n/a	Maximum Operating Pressure	6000 psi
Division	Hydraulic Cartridge Systems Division	For Fluid Type	Synthetic Hydraulic Fluids
Filter Efficiency Rating	ISO 4406 18/16/13	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-30 °F	Maximum Operating Temperature	121 °C
Maximum Flow Rate	8 Gal/min	Division	Mobile Hydraulic Systems Division Europe
Valve Material	Hardened Steel (all operating parts)	Operating Temperature	-34 to 121 °C
Maximum Inlet Pressure Rating	420 bar	Installation Torque	40 Nm
Weight	0.14 lb	Pilot Pressure Ratio	4:1
Function	Single Pilot to Open Check	Flow Direction	2-1 Free Flow
Pilot Location	3	Leak Rate	3 drops/min @ 6000 Psi (420 bar)
Cracking Pressure	72 psi	Flow Rate	16 L/min @ 100 Psi (7 bar) Nominal
Cavity Size	53-1	Seal Material	Nitrile
Maximum Flow Rate	8 GAL/MIN, 30 L/MIN	Cracking Pressure	72 PSI, 5 BAR

Product resources

Literature and Reference Materials