Page 115 - Parker - Pressure Control Valves
P. 115

Catalog HY15-3502/US                              D.A. Pressure Reducing/Relieving Valve
                   Technical Information                             Series PR103

            CV
                   General Description
                   Direct Acting Pressure Reducing/
                   Relieving Valve. For additional
              Check
            Valves
            SH     information see Technical Tips on
                   pages PC1-PC6.
                   Note: The differential between system
                   pressure and pressure setting of the valve can greatly
                   affect the stability of this valve. For best performance,
            Valves
              Shuttle
            LM
                   the inlet pressure setting should not exceed 69 Bar
                   (1000 PSI) above the reducing valve setting.
                   Features
            Controls
              Load/Motor
            FC     •  Hardened, precision ground parts for durability                    (3)
                   •  Internal mechanical stop limits spool travel eliminating                   Tank
                                                                                                  (3)
                     spring solidification
                   •  “D”-Ring eliminates backup rings                  (2)                   Pressure/
                                                                                               Inlet (2)
              Flow
            Controls
            PC     •  All external parts have yellow zinc dichromate. This          (1)
                     coating is ideal for salt spray applications.
                                                                                                   Reg.  (1)  Relief
                   Specifications
            Controls
              Pressure
            LE      Rated Flow        56 LPM (15 GPM)                  Performance Curves
                                                                       (Pressure rise through cartridge only)
                    Maximum Inlet     210 Bar (3000 PSI)
                    Pressure          69 Bar (1000 PSI) maximum        Flow vs. Regulated Pressure
            Elements
                                      differential above valve setting for  PSI Bar    Hydraulic Oil 150 SSU @ 100°F (32 cSt)
              Logic
            DC                        best stability                     4000  276
                    Maximum           124 Bar (1800 PSI)
                    Pressure Setting                                     3000  207
              Directional
            Controls
                                                                        Pressure
            MV      Maximum Tank      124 Bar (1800 PSI)
                    Pressure                                             2000  138
                    Maximum           120 mL/min. (0.03 GPM)
              Manual
                    Drain Flow                                           1000  69
            Valves
            SV
                    Cartridge Material  All parts steel. All operating
                                      parts hardened steel.
                                                                            0         Relieving           Reducing
                                                                           LPM  57    38    19     0     19     38    57
              Solenoid
            Valves
                    Operating Temp.   -45°C to +93.3°C (“D”-Ring)          GPM  15    10     5     0      5     10    15
            PV      Range/Seals       (-50°F to +200°F)                                         Flow (Q)
                                      -31.7°C to +121.1°C (Fluorocarbon)  Pressure vs. Flow
                                      (-25°F to +250°F)                  PSI  Bar      Hydraulic Oil 150 SSU @ 100°F (32 cSt)
                                                                         1000  69
              Proportional
                    Fluid             Mineral-based or synthetic with
            Valves
            CE      Campatibility/    lubricating properties at viscosities
                    Viscosity         of 45 to 2000 SSU (6 to 420 cSt)    750  52
                    Filtration        ISO Code 16/13,
                                      SAE Class 4 or better             Pressure  500  35
              Coils &
            Electronics
            BC
                    Approx. Weight    .23 kg (0.5 lbs.)
                                                                                                 Port 2 to 1
                                                                          250  17
                    Cavity            C10-3
            Cavities
                                      (See BC Section for more details)
              Bodies &
            TD
                                                                             0
                    Form Tool         Rougher   NTF10-3R                   LPM         11      23      34      45     57
                                                                               0
                                      Finisher  NFT10-3F                   GPM         3       6       9       12     15
                                                                                                Flow (Q)
              Technical
            Data
                                                                  PC113                        Parker Hannifin Corporation
                                                                                               Hydraulic Cartridge Systems
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