Parker D04B2-6.9N - Standard Check Valves

Capable of flows from 3.5 to 303 lpm (0.9 to 80 gpm) and pressure as high as 420 bar (6,000 psi), Parker’s poppet and ball style check valves have a simple and robust design which are used to block flow in one direction, and allow flow in the opposite.
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Brand Parker
Part No. D04B2-6.9N
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileMaximum Operating Temperature250 °F
Body Materialn/aMaximum Operating Pressure6000 psi
DivisionHydraulic Cartridge Systems DivisionFor Fluid TypeMineral-based Hydraulic Fluids
Valve MaterialSteel (all parts)Filter Efficiency RatingISO 4406 18/16/13
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-34 °C
Actuation TypePressure SensingDivisionMobile Hydraulic Systems Division Europe
Operating Temperature-34 to 121 °CMaximum Inlet Pressure Rating6000 psi
Cavity SizeC10-2Installation Torque50 Nm
Maximum Flow Rate160 L/minCracking Pressure6.9 bar
Weight0.18 lbFlow Direction2-1 Checked
FunctionStandard CheckFlow Rate24 Gal/min @ 100 Psi (7 bar) Nominal
Leak Rate3 drops/min @ 6000 Psi (420 bar)Seal MaterialNitrile
Cracking Pressure100 PSI, 6.9 BARMaximum Flow Rate42 GAL/MIN, 160 L/MIN
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