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Parker D4A040V - 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.

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Brand Parker

Part No. D4A040V

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Products specifications

Attribute name	Attribute value
Actuation Type	Pilot Operated	Weight	0.33
Maximum Operating Temperature	400	Seal Material	Fluorocarbon
Body Material	n/a	Division	Hydraulic Valve Systems Division
For Fluid Type	Mineral-based Hydraulic Fluids	Valve Material	Steel (all parts)
Operating Temperature	-15 to 400	Filter Efficiency Rating	ISO 4406 18/16/13
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-15
Installation Torque	40	Maximum Operating Pressure	6000
Division	Mobile Hydraulic Systems Division Europe	Maximum Inlet Pressure Rating	6000
Maximum Flow Rate	16	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)
Flow Rate	8.5 gal/min @ 100 Psi (7 bar) Nominal	Cavity Size	68-1
Cracking Pressure	43.5	Seal Material	Fluorocarbon
Maximum Flow Rate	16 GAL/MIN, 60 L/MIN	Cracking Pressure	43.5 PSI, 3 BAR

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