Parker N2B055-17.0N
Check Valve

Parker offers an extensive line of spool type logic elements for direction, pressure and flow control. Normally-open and Normally-closed, internal or external pilots, pressures up to 6000 PSI (420 BAR) and flows up to 132 GPM (500 LPM.)

Technical Specifications
Division:    Hydraulic Valve Systems Division
Maximum Flow Rate:    50 Gal/min, 189 L/min
Maximum Flow Rate:    50 GAL/MIN, 189 L/MIN
Configuration:    Normally Open
Flow Direction:    Side to Nose (2-1)
Configuration:    Normally Open (NO)
Flow Direction:    Side to Nose (2-1)
Switching Pressure:    150 PSI, 10.3 BAR
Dampening Orifice Included:    No
Switching Pressure:    150 psi, 10.3 bar
Seal Material:    Polyurethane EPS
Dampening Orifice Included:    No
Seal Material:    Polyurethane EPS
Flow Rate:    n/a
Maximum Operating Pressure:    3500 psi, 240 bar
Maximum Inlet Pressure Rating:    3500 psi, 240 bar
Actuation Type:    Pilot to Close
Leak Rate:    82 cm3/min 3500 Psi (240 bar)
Cavity Size:    C16-3S
Function:    Logic Valve
Operation Type:    Pilot Operated
Pilot Location:    External
Vented:    Internal
For Fluid Type:    Mineral-based Hydraulic Fluids, Synthetic Hydraulic Fluids
Maximum Kinematic Viscosity:    45-2000 SSU (6 to 420 cSt)
Filter Efficiency Rating:    ISO 4406 18/16/13, SAE Class 4
Valve Material:    Steel (all parts), Hardened Steel (all operating parts)
Installation Torque:    40 lb-ft, 54 Nm
Operating Temperature:    -35 to 225 °F, -37 to 107 °C
Maximum Operating Temperature:    225 °F, 107 °C
Minimum Operating Temperature:    -35 °F, -37 °C
Weight:    0.78 lb, 0.33 kg
Body Material:    n/a