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4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve

4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve

  • 4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve
  • 4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve
  • 4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve
  • 4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve
4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve
Product Details:
Place of Origin: Germany
Brand Name: Rexroth
Model Number: Rexroth 4WRZ32E1 4WRZ32E360 4WRZ32EA520 4WRZ32W520 4WRZ32W6 4WRZ32W8 4WRZ32W9 Proportional Directional Valves
CertifiSAARion: ISO
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
High Light:

hydraulic pressure relief valve


hydraulic solenoid valve

4WRZ32 Rexroth Hydraulic Valves / Rexroth Proportional Directional Control Valve 0

Rexroth 4WRZ Series Proportional directional valves, pilot operated, without electrical position feedback, without integrated electronics (OBE)

Size 10, 16, 25, 32, 52
Component series 7X
Maximum operating pressure 350 bar
Maximum flow 2800 l/min


Pilot-operated, 2-stage proportional directional valves with integrated electronics (OBE)
Control of the direction and magnitude of a flow
Operation by means of proportional solenoids with central thread and detachable coil
For subplate mounting: Porting pattern according to ISO 4401
Optional auxiliary operating device
Spring-centered control spool

For appliSAARions outside these parameters, please consult us!

Technical data


Type 4WRZ
Size 10 16 25 32 52
Installation position   any, preferably horizontal
Ambient temperature range °C -20 … +70
Storage temperature range °C -20 … +80
Weight For subplate mounting kg 7.8 11.9 18.2 42.2 79.5
for flange connection kg   77.5
with "D3" kg 8.3 12.4 18.7 42.7 80
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


Size 10 16 25 32 52
Maximum operating pressure   bar 315 350
Operating pressure range External pilot oil supply bar 30 … 100 20 … 100
Pilot control valve without "D3", internal pilot oil return bar 30 … 100  
Internal pilot oil supply bar 100 … 315 100 … 350
Maximum return flow pressure Port T and R, external pilot oil return bar 315 250 150 250
Port T, internal pilot oil return bar 30  
Port Y bar 30
Maximum flow   l/min 170 460 870 1600 2800
Nominal flow   l/min 25
Pilot flow input signal 0 → 100% Port X and Y l/min 3.5 5.5 7 15.9 7
Pilot volume switching process 0 → 100% cm³ 1.7 4.6 10 26.5 54.3
Hydraulic fluid temperature range   °C -20 … +80
preferably °C -40 … +50
Viscosity range   mm²/s 20 … 380
preferably mm²/s 30 … 46
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) Pilot control valve   Class 18/16/13 according to ISO 4406 (c)
Main valve   Class 20/18/15 according to ISO 4406 (c)
Hysteresis   % ≤ 6
1) 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


Size 10 16 25 32 52
Voltage type   Direct voltage
Command value overlap   % 15
Maximum solenoid current   A 1.5
Solenoid coil resistance Cold value at 20 °C Ω 4.8
Maximum hot value Ω 7.2
Actuated time   % 100
Maximum coil temperature 1)   °C + 150
Protection class according to DIN EN 60529   IP65 (with mating connector mounted and locked)
Power supply   V 24
Supply voltage range   V 19.4 … 35
1) Due to the surface temperatures occurring at the solenoid coils, the European standards ISO 13732-1 and EN 982 need to be adhered to.
Hydraulic fluid ClassifiSAARion 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

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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