Page 36 - Parker - Load and Motor Control Valves
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Catalog HY15-3502/US                              Load Control Valve
                   Technical Information                             Series E6K020

            CV
                   General Description
                   Threaded Cartridge Style Counterbalance Valve.
                   Pilot assisted, designed for motion control
              Check
            Valves
                   applications. For additional information see
            SH
                   Technical Tips on pages LM1-LM4.
                   Features
              Shuttle
                   •  Spring chamber isolated from system backpressure by
            Valves
            LM
                     double seal, eliminating vent port leakage and need for
                     separate drain line
                   •  Poppet construction for minimal leakage
                   •  Suitable for remote pilot controlled boomlock applications
              Load/Motor
            Controls
            FC       as per ISO8463                                               (1)                            (3)
                   •  Incorporates direct acting relief valve for overload
                     protection                                                        (3)
                   •  Includes reverse check valve within body                                                    (2)
                   •  Hardened working parts for maximum durability               (2)
            Controls
              Flow
            PC
                   •  Adjustable and tamper resistant versions available
                   •  All external parts zinc plated
                                                                                                       (1)
            Controls
              Pressure
            LE

            Elements
              Logic
            DC     Specifications                                      Performance Curves
                                                                       Relief & Pilot Performance 1 to 2
                    Rated Flow        20 LPM (5.3 GPM)
                                                                          PSI Bar      Hydraulic Oil 150 SSU @ 100°F (32 cSt)
                                                                         5800  400
                    Pressure          100 - 350 Bar (1450 - 5075 PSI)
            Controls
              Directional
            MV                                                                                          RELIEF
                    Sensitivity:      114 Bar (1650 PSI)                 4350  300
                    Pressure/Turn
                    Pilot Ratio       15 : 1                             Pressure Drop Bar, PSI  2900  200
              Manual
            Valves
            SV
                    Cartridge Material  All parts steel. All operating
                                      parts hardened steel.              1450 100
                                                                                   PILOT PRESSURE WITH
                                                                                     100 BAR LOAD
                    Operating Temp.   -40°C to +93.3°C (Nitrile)
              Solenoid
            Valves
            PV      Range/Seals       (-40°F to +200°F)                     0
                                      -31.7°C to +121.1°C (Fluorocarbon)     LPM 0       5         10        15        20
                                                                                                   2.6
                                      (-25°F to +250°F)                     GPM          1.3    Flow (Q)     4.0      5.3
                                                                       Pressure Drop vs Flow
                    Fluid             Mineral-based or synthetic with
            Valves
              Proportional
            CE      Compatibility/    lubricating properties at viscosities  PSI Bar   Hydraulic Oil 150 SSU @ 100°F (32 cSt)
                    Viscosity         of 45 to 2000 SSU (6 to 420 cSt)    290  20
                    Filtration        ISO Code 16/13,                     218  15
                                      SAE Class 4 or better
              Coils &
            Electronics
            BC                                                           PressurDrop Bar, PSI  145  10
                    Approx. Weight    0.08 kg (0.18 lbs.)                        FREE FLOW
                                                                                   2 to 1
                    Cavity            53-1                                 73  5
                                      (See BC Section for more details)                        PILOTED OPEN
            Cavities
              Bodies &
                                                                                                  1 to 2
            TD                                                               0
                                                                             LPM         5         10        15        20
                                                                               0
                                                                            GPM          1.3       2.6       4.0      5.3
                                                                                                Flow (Q)
            Data
              Technical
                                                                   LM35                        Parker Hannifin Corporation
                                                                                               Hydraulic Cartridge Systems
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