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Rexroth Make Proportional Directional Valve 4WRKE27 Series

Rexroth Make Proportional Directional Valve 4WRKE27 Series

  • Rexroth Make Proportional Directional Valve 4WRKE27 Series
  • Rexroth Make Proportional Directional Valve 4WRKE27 Series
  • Rexroth Make Proportional Directional Valve 4WRKE27 Series
  • Rexroth Make Proportional Directional Valve 4WRKE27 Series
Rexroth Make Proportional Directional Valve 4WRKE27 Series
Product Details:
Place of Origin: Germany
Brand Name: Rexroth
Certification: ISO
Model Number: Rexroth 4WRKE27E1 4WRKE27E500 W4RKE27W6 4WRKE27W8 Proportional Directional Valve
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: On request
Packaging Details: Standard paper box
Delivery Time: 7-10days
Payment Terms: T/T, Western Union
Supply Ability: 100PCS per month
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Detailed Product Description
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rexroth proportional valve

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hydraulic pressure relief valve

Rexroth Make Proportional Directional Valve 4WRKE27 Series 0Rexroth 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

Type 4WRKE
Size 10 16 25 27 32 35
Installation position   any, preferably horizontal
Ambient temperature range °C -20 … +50
Storage temperature range °C -20 … +80
Weight kg 8.7 11.2 16.8 17 31.5 34
Sine test according to DIN EN 60068-2-6   10 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 60068-2-64   20…2000 Hz, amplitude 0.05g2/Hz (10gRMS) 3 axes, testing time 30 min per axis
Shock test according to DIN EN 60068-2-27   Half-sine 15g / 11 ms, 3 times in positive and 3 times in negative direction per axis, 3 axes
Damp heat according to DIN EN 60068-2-30   Variant 2: +25 °C … +55 °C, 90 % … 97 % relative humidity, 2 cycles á 24 hours

Hydraulic

Size 10 16 25 27 32 35
Maximum operating pressure   bar 350
Maximum operating pressure Port P bar 315 350 210 350
Port A bar 315 350 210 350
Port B bar 315 350 210 350
Operating pressure range Pilot control valve, pilot oil supply bar 25 … 315
Maximum return flow pressure Port T, external pilot oil return bar 315 250 210 250
Port T, internal pilot oil return bar 10
Port Y bar 10
Maximum flow   l/min 170 460 870 1000 1600 3000
Nominal flow 1)   l/min 25
50
100
125
150
200
220
220
350
500 400
600
1000
Pilot flow input signal 0 → 100% Port X and Y l/min 4.1 8.5 11.7 13
Hydraulic fluid temperature range   °C -20 … +80
preferably °C -40 … +50
Viscosity range   mm²/s 20 … 380
preferably mm²/s 30 … 45
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2) Pilot control valve   Class 18/16/13 according to ISO 4406 (c)
Main valve   Class 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

Size 10 16 25 27 32 35
Voltage type   Direct voltage
Type of signal   analog
Maximum current consumption of the amplifier A 1.5
of the amplifier (impulse current) A 3
Protection class according to DIN EN 60529   IP65 (with mating connector mounted and locked)
Power supply   V 24
Supply voltage range   V 18 … 35
Earthing (GND)   V 0
Command value input "A1" V 10
Command value input range "F1" mA 4 … 20
Actual value output "A1" V 10
Actual value output range "F1" mA 4 … 20
Hydraulic fluid Classification Suitable sealing materials Standards
Mineral oils and related hydrocarbons HL, HLP NBR / FKM DIN 51524
Flame-resistant - containing water HFC (Fuchs HYDROTHERM 46M, Petrofer Ultra Safe 620) NBR ISO 12922
Phosphoric acid esters HFD-R FKM  

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 %

 
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Contact Details
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Contact Person: jason

Tel: +8613918187448

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