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Catalog HY15-3502/US                              N.O. Proportional Flow Control Valve
                   Technical Information                             Series DF122N

            CV
                   General Description
                   Normally Open Proportional Flow Control Valve.
                   For additional information see Technical Tips
            Valves
              Check
            SH     on pages PV1-PV6.


                   Features
              Shuttle
            Valves
            LM     •  On-off type solenoids
                   •  Low hysteresis
                   •  PWM signal preferred
                   •  Manual override standard                               (2)
              Load/Motor
            Controls
            FC     •  All external parts zinc plated

                                                                             (1)                  Out
                                                                                                  (2)
              Flow
            Controls
            PC
                                                                                                       In
                                                                                                       (1)
            Controls
              Pressure
            LE     Specifications                                      Performance Curves
                    Rated Flow        53 LPM (14 GPM)                                Pressure Drop vs. Flow @ No Current
                                                                          PSI  Bar       Hydraulic Oil 150 SSU @ 100°F (32 cSt)
                    Valve Fully Open                                      300  20.7
            Elements
              Logic
                    Maximum Inlet     210 Bar (3000 PSI)
            DC      Pressure                                              200  13.8
                    Hysteresis        4%                                Pressure Drop (   P)
                    @ 200 Hz PWM                                          100  6.9
            Controls
              Directional
                    Frequency         100 - 400 Hz (200 Hz Preferred)
            MV
                    Maximum Control             12 VDC   24VDC              0
                                                                             LPM         19        38        57        76
                    Current                     2.45A    1.23A               GPM  0      5         10        15        20
                                                                                                 Flow (Q)
                    Cartridge Material  All parts steel. All operating
                                      parts hardened steel.                           Flow vs. Inlet Pressure @ No Current
            Valves
              Manual
            SV                                                            GPM LPM        Hydraulic Oil 150 SSU @ 100°F (32 cSt)
                    Operating Temp.   -40°C to +93.3°C (Nitrile)           30  114
                    Range/Seals       (-40°F to +200°F)
                                      -31.7°C to +121.1°C (Fluorocarbon)   20  76
                                      (-25°F to +250°F)
              Solenoid
            Valves
            PV      Fluid             Mineral-based or synthetic with    Flow (Q)
                    Compatibility/    lubricating properties at viscosities  10  38
                    Viscosity         of 45 to 2000 SSU (6 to 420 cSt)
                                                                             0
                    Filtration        ISO Code 16/13,                         Bar           69           138          207
            Valves
              Proportional
                                      SAE Class 4 or better                   PSI  0        1000         2000         3000
            CE                                                                                 Inlet Pressure
                    Approx. Weight    .32 kg (0.7 lbs.)
                                                                                        Flow vs. Input Signal (Current)
                    Cavity            C12-2                               GPM LPM        Hydraulic Oil 150 SSU @ 100°F (32 cSt)
                                                                           15  57
                                      (See BC Section for more details)
              Coils &
            Electronics
            BC      Form Tool         Rougher   None
                                      Finisher  NFT12-2F                   10  38
                   Note: 4.1 Bar (60psi) is required at port 1 to fully return Manual  Flow (Q)
                   override.                                               5  19
              Bodies &
            Cavities
            TD
                                                                             0
                                                                                         25        50        75       100
                                                                                0
                                                                                       Percent of Maximum Control Current
              Technical
            Data
                                                                   PV49                        Parker Hannifin Corporation
                                                                                               Hydraulic Cartridge Systems
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