Hydraulic Valves
Hydraulic Valves
Rexroth Replacement 4WRTE Series High-Performance Proportional Valve
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4WRTE Series High-Performance Proportional Directional Control Valves

Features : 

▶ Reliable – proven and robust design
▶ Safe
– Automatic pressure compensation in the control
chambers of the main stage by the pilot control 
valve
– Control spool of the main stage in the springcentered central position and/or in the offset 
position
– Optionally with spool position monitoring
▶ Flexible – suitable for position, speed and pressure
control
▶ Precise – high response sensitivity and little hysteresis            
▶ Size 10 … 35
▶ Component series 4X
▶ Maximum operating pressure 350 bar
▶ Rated flow 25 … 1000 l/min

general
Sizes NG 10  16  25  27  32  35 
Weight kg 8.7  11.2  16.8  17  31.5  34 
Installation position and commissioning information Preferably horizontal, see data sheet 07700
Ambient temperature range °C –20 … +50
Maximum storage time Years 1 (if the storage conditions are observed; refer to the operating
    instructions 07600-B)
MTTFD values according to EN ISO 13849 Years 150 1)  (for more information see data sheet 08012)
Sine test according to DIN EN 60068-2-6   10 ... 2000 Hz / maximum of 10 g / 10 cycles / 3 axes
Noise test according to DIN EN 60068-2-64   20 … 2000 Hz / 10 gRMS / 30 g peak / 30 min. / 3 axes
Transport shock according to DIN EN 60068-2-27   15 g / 11 ms / 3 shocks / 3 axes
Damp heat, cyclic, according to DIN EN 60068-2-30  

Variant 2
+25 °C … +55 °C, 90% … 97% relative humidity, 2 cycles of
24 hours

 
hydraulic
Sizes                                                                                                NG 10  16  25  27  32  35 
Maximum               ▶ Pilot control valve   Pilot oil supply 2)                        bar
operating pressure   ▶ Main valve             Port P, A, B                        bar		 25 … 315
350  350  350  270  350  350 
Maximum return
flow pressure		 ▶ Port T        Internal pilot oil return     bar
                          External pilot oil return     bar
▶ Port Y                                                                bar		 Static < 10
315  250  250  210  250  250 
Static < 10
Rated flow qVnom ±10% 3)                                l/min 25  150  – – – –
with Δp = 5 bar/control edge 50
100		 –
220		 220
350		 –
500		 400
600		 –
1000
Maximum flow (recommended)                   l/min 170  460  870  1000  1600  3000 
Pilot oil flow at port X or Y with stepped
input signal from 0 to 100% (315 bar)		 l/min 7  14  20  20  27  29 
Pilot oil volume 0 … 100%           cm³ 1.1  2.9  6.8  6.8  17.7  33.9 
Hydraulic fluid See table below
Hydraulic fluid temperature range
(at the valve working ports)		 °C –20 ... +80; preferably +40 … +80
Viscosity range                    mm2/s 20 ... 380; preferably 30 ... 45
Maximum admissible degree of contamination of the hydraulic fluid,
cleanliness class according to ISO 4406 (c)		 Class 18/16/13 4)
Hysteresis                       % ≤ 0.1
Response sensitivity       % ≤ 0.05
Zero point calibration (ex works) 5)             % ≤ 1
Temperature drift                %/10 °C Zero shift < 0.3
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Grader A6VM  P2VC          
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Wheel excavator A6V A6VM  P3VO        
Loader M3VE A6VM  P2VC A10VSO A2FM    
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Mining Truck A10VSO            
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Combine Harvester A6VE A4VTG P2VC        
Pesticide machine A6VE A4VTG P2VC A10VSO      
Rice harvester A6VE A4VTG P2VC P4VC      
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Snow Sweeper P2VC A10VSO          
Aerial work platform P4VC A10VSO          
Electric Power A2FE A6VE P2VC P4VC      
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