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Rexroth Make Proportional Directional Valve 4WRKE27 Series

Categories Rexroth Hydraulic Valves
Brand Name: Rexroth
Model Number: Rexroth 4WRKE27E1 4WRKE27E500 W4RKE27W6 4WRKE27W8 Proportional Directional Valve
CertifiSAARion: ISO
Place of Origin: Germany
MOQ: 1
Price: On request
Payment Terms: T/T, Western Union
Supply Ability: 100PCS per month
Delivery Time: 7-10days
Packaging Details: Standard paper box
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    Rexroth Make Proportional Directional Valve 4WRKE27 Series

    Rexroth 4WRKE Series Proportional Directional Valve

    Size 10, 16, 25, 27, 32, 35
    Component series 3X
    Maximum operating pressure 350 bar
    Maximum flow 3000 l/min

    Features

    *Pilot-operated 2-stage proportional directional valves with electrical position feedbackof the main control spool and integrated electronics (OBE) Control of flow direction and size
    *Proportional solenoid operation
    For subplate mounting: Porting pattern according to ISO 4401 Electrical position feedback
    *Spring-centered main control spool Pilot control valve: single-stage proportional directional valve
    *Main stage with position control


    Technical Data

    General

    Type4WRKE
    Size101625273235
    Installation positionany, preferably horizontal
    Ambient temperature range°C-20 … +50
    Storage temperature range°C-20 … +80
    Weightkg8.711.216.81731.534
    Sine test according to DIN EN 60068-2-610 cycles, 10…2000.. 10 Hz with logarithmic frequency changing speed of 1 octave/min, 5 to 57 Hz, amplitude 1.5 mm (p-p), 57 to 2000 Hz, amplitude 10g, 3 axes
    Noise test according to DIN EN 60068-2-6420…2000 Hz, amplitude 0.05g2/Hz (10gRMS) 3 axes, testing time 30 min per axis
    Shock test according to DIN EN 60068-2-27Half-sine 15g / 11 ms, 3 times in positive and 3 times in negative direction per axis, 3 axes
    Damp heat according to DIN EN 60068-2-30Variant 2: +25 °C … +55 °C, 90 % … 97 % relative humidity, 2 cycles á 24 hours

    Hydraulic

    Size101625273235
    Maximum operating pressurebar350
    Maximum operating pressurePort Pbar315350210350
    Port Abar315350210350
    Port Bbar315350210350
    Operating pressure rangePilot control valve, pilot oil supplybar25 … 315
    Maximum return flow pressurePort T, external pilot oil returnbar315250210250
    Port T, internal pilot oil returnbar10
    Port Ybar10
    Maximum flowl/min170460870100016003000
    Nominal flow 1)l/min25
    50
    100
    125
    150
    200
    220
    220
    350
    500400
    600
    1000
    Pilot flowinput signal 0 → 100%Port X and Yl/min4.18.511.713
    Hydraulic fluid temperature range°C-20 … +80
    preferably°C-40 … +50
    Viscosity rangemm²/s20 … 380
    preferablymm²/s30 … 45
    Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2)Pilot control valveClass 18/16/13 according to ISO 4406 (c)
    Main valveClass 20/18/15 according to ISO 4406 (c)
    Hysteresis%≤ 1
    Response sensitivity%≤ 0.5
    1)±10% with Δp = 10 bar, Δp = valve pressure differential
    2)The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.

    Electrical

    Size101625273235
    Voltage typeDirect voltage
    Type of signalanalog
    Maximum current consumptionof the amplifierA1.5
    of the amplifier (impulse current)A3
    Protection class according to DIN EN 60529IP65 (with mating connector mounted and locked)
    Power supplyV24
    Supply voltage rangeV18 … 35
    Earthing (GND)V0
    Command value input"A1"V10
    Command value input range"F1"mA4 … 20
    Actual value output"A1"V10
    Actual value output range"F1"mA4 … 20
    Hydraulic fluidClassifiSAARionSuitable sealing materialsStandards
    Mineral oils and related hydrocarbonsHL, HLPNBR / FKMDIN 51524
    Flame-resistant - containing waterHFC (Fuchs HYDROTHERM 46M, Petrofer Ultra Safe 620)NBRISO 12922
    Phosphoric acid estersHFD-RFKM

    Important information on hydraulic fluids:

    For more information and data on the use of other hydraulic fluids please contact us.

    There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.).

    The flash point of the process and operating medium used must be 40 K over the maximum solenoid surface temperature.

    Flame-resistant - containing water:
    Maximum pressure differential per control edge 175 bar
    Pressure pre-loading at the tank port > 20 % of the pressure differential, otherwise increased cavitation
    Life cycle as compared to operation with mineral oil HL, HLP 50 % to 100 %

    SAAR specialized in pumps, motors, valves, bearings, couplings, gearbox, engine spare parts, filter elements, fittings, connectors, electronic components and accessories, mobile equiupment spare parts.
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    Quality Rexroth Make Proportional Directional Valve 4WRKE27 Series for sale
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