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Rexroth Type 4WRKE35 Directional Valve, Hydraulic Proportional Valve

Rexroth Type 4WRKE35 Directional Valve, Hydraulic Proportional Valve

Brand Name: Rexroth
Certification: ISO
Model Number: Rexroth 4WRKE35E1000L 4WRKE1-1000L 4W4RKE35W6-1000L 4WRKE35W8-1000L Proportional Directional Valve
Minimum Order Quantity: 1
Delivery Time: 7-10days
Payment Terms: T/T, Western Union
Saar HK Electronic Limited
Verified Supplier
Shanghai Shanghai China
Business type: Distributor/Wholesaler Exporter Trading Company Seller
Room 1506, 28# Moyu Road,Shanghai,China,201805
Supplier`s last login times: within 28 hours

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 fluidClassificationSuitable 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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Product Tags:

hydraulic solenoid valve

      

hydraulic pressure relief valve

      

Rexroth Type 4WRKE35 Directional Valve, Hydraulic Proportional Valve Images

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