Parker D04F2-2.5-35N - Check Valve with Thermal Relief

Parker’s poppet style check valve with thermal relief allow flows up to 130 lpm (40 gpm) and pressure to 420 bar (6,000 psi), with thermal relieving in the reverse direction to protect the circuit from high hydraulic fluid thermal expansion pressures.
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Brand Parker
Part No. D04F2-2.5-35N
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileConnection Sizen/a
Connection Typen/aBody Materialn/a
Flow DirectionBi-directionalFor Fluid TypeSynthetic Hydraulic Fluids
Filter Efficiency RatingISO 4406 18/16/13Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Operating Temperature121 °CMinimum Operating Temperature-34 °C
Maximum Operating Pressure420 barMounting TypeScrew-in Cartridge
Actuation TypePressure SensingDivisionMobile Hydraulic Systems Division Europe
Valve MaterialHardened Steel (all operating parts)Operating Temperature-30 to 250 °F
Maximum Inlet Pressure Rating420 barCavity SizeC10-2
Installation Torque37 lb-ftWeight0.29 lb
FunctionThermal ReliefFlow Rate40 Gal/min
Leak Rate3 drops/min @ Crack PressureCracking Pressure2.5 bar
Maximum Flow Rate130 L/minConfigurationPoppet Type
Operation TypeCheck Valve W/Relief FeaturePressure Relief Setting35 bar
Seal MaterialNitrileCracking Pressure36 PSI, 2.5 BAR
Flow Rate40 GAL/MIN, 130 L/MINPressure Relief Setting507 PSI, 35 BAR
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