Hydraulic Valves
 Hydraulic Valves

4WRKE Series Replacement High-Response Proportional Directional Valves

Features : 

▶ Operation by means of proportional solenoids
▶ Control of flow direction and size
▶ For subplate mounting
▶ Porting pattern according to ISO 4401
▶ Electrical position feedback
▶ Spring-centered main control spool
▶ Pilot control by means of proportional directional valve
▶ Main stage with position control
▶ CE conformity according to EMC Directive 2014/30/EU                  

▶ Size 10 … 35
▶ Component series 3X
▶ Maximum operating pressure 350 bar
▶ Maximum flow 4700 l/min

General
Size NG 10  16  25  27  32  35 
Type of connection   Subplate mounting
Porting pattern   ISO 4401-
05-05-0-05
ISO 4401-
07-07-0-05
ISO 4401-
08-08-0-05
ISO 4401-
08-08-0-05
ISO 4401-
10-09-0-05
ISO 4401-
10-09-0-05
Weight kg 11  18  19.5  37.5  75 
Installation position   Any
Ambient temperature range °C –20 … +50
Storage temperature range (with UV protection) °C +5 … +40
Maximum storage time Years 1 (if the storage conditions are observed, refer to the operating in-
structions 07600-B)
Maximum relative humidity (no condensation) % 95 
Protection class according to EN 60529   IP65 (if suitable and correctly mounted mating connectors are
used)
Maximum surface temperature °C 150 
MTTFD values according to EN ISO 13849 Years 75 (for further details see data sheet 08012)
Sine test according to EN 60068-2-6   10 … 2000 Hz / maximum 10 g / 10 cycles / 3 axes
Noise test according to EN 60068-2-64   20 ... 2000 Hz / 10 gRMS / 30 g peak / 24 h / 3 axes
Transport shock according to EN 60068-2-27   15 g / 11 ms / 3 shocks / 3 axes
Conformity                                    ▶ CE according to EMC
                                                   Directive 2014/30/EU,
                                                   tested according to      
                                                ▶ RoHS Directive
  EN 61000-6-2 and EN 61000-6-3
  2011/65/EU 1)
Hydraulic
Size NG 10  16  25  27  32  35 
Maximum
operating
pressure
▶ Ports A, B, P
   – Pilot control
      valve
Pilot oil supply bar 25 … 350
  ▶ Port Y bar 350  350  350  270  350  350 
bar 315  250  250  210  250  350 
bar Static < 10 (pilot control valve)
bar Static < 10 (pilot control valve)
Hydraulic fluid   See table, page 8
Hydraulic fluid temperature range °C –20 … +80
Viscosity range                                     ▶ Recommended
                                                      ▶ Maximum admissible
mm2/s 30 … 45
mm2/s 20 … 380
Maximum admissible degree of
contamination of the hydraulic fluid;
cleanliness class according to
ISO 4406 (c)
▶ Pilot control valve
▶ Main valve
  Class 17/15/12 3)
  Class 20/18/15 3)
Rated flow (Δp = 5 bar per control edge; ±10%)   25
50
100
150
220
220
350
500  400
600
1000 
Maximum flow l/min 170  460  870  1000  1600  4700 
Maximum              ▶ Symbol E, E1-, R              
leakage flow
(inlet pressure
100 bar)
      – Main valve
      – Main valve + pilot control valve
   ▶ Symbol W6-, W8-, R3-
l/min 0.13  0.27  0.51  0.51  0.3  1.5 
l/min 0.43  0.57  0.81  0.81  0.6  1.8 
             
– Main valve
– Main valve + pilot control valve
l/min 0.25  0.55  1.0  1.0  0.6  3.0 
l/min 0.55  0.85  1.3  1.3  0.9  3.3 
Pilot flow (at port X and Y with stepped input signal from
0 … 100%; 315 bar)
l/min 12  12  14  17 
                     
  Machine Hydraulci Pump/Motor
Construction Machinery
Concrete mixer AA2FM A4VTG EATON 5423        
Concrete transport pump A2FO A4VG A11V        
Wet spraying machine A11V A2FM A10V        
Road roller A6VE A6VM  A4VTG P2VC      
Paver A6VE A6VM  P2VC P4VC      
Grader A6VM  P2VC          
Asphalt spreader P1V(A)O A2FM          
Milling machine P1V(A)O A2FE A2FM        
Crawler excavator P3VO            
Wheel excavator A6V A6VM  P3VO        
Loader M3VE A6VM  P2VC A10VSO A2FM    
Bulldozer A6VM  P2VC          
Material Handling Machinery
Crane A2FE A6V A6VM P2VC P1V(A)O A10VSO A2FM
Forklift              
Drilling Rig A2FE A6VE A6VM P1V(A)O A10VSO A2FM  
Heading Machine A2FE P1V(A)O          
Mining Truck A10VSO            
Agricultural Machinery
Tractor A6VE P2VC P4VC A10VSO      
 Rice Transplanter              
Combine Harvester A6VE A4VTG P2VC        
Pesticide machine A6VE A4VTG P2VC A10VSO      
Rice harvester A6VE A4VTG P2VC P4VC      
Sugar Cane Harvester A6VE P2VC P4VC A10VSO A2FM    
Municipal Machinery
Airport Equipment A6VM P2VC P1V(A)C A10VSO A2FE A2FM  
Firfighting Truck A7VO P1V(A)C A10VSO        
Snow Sweeper P2VC A10VSO          
Aerial work platform P4VC A10VSO          
Electric Power A2FE A6VE P2VC P4VC      
Environmental Sanitation Vehicle              
Anti Dust Vehicle              
Oil And Gas Equipment
Liquid Nitrogen Pump Truck P1V(A)O            
Fracturing Truck A6VM P2VC A2FO A2FM      
Fracturing Blender Truck A6VM P2VC A10VSO A2FM      
Coil Tubing A10VSO A2FE          
Pipelayer A2FE A6VM P1V(A)O        
Industrial Application
Injection molding machine              
Shoe-making machine A10VSO            
Metal forming machinery A7V            
CNC machine tool PV A10VSO          
Metallurgy and die-casting E-A4VG             
Flow Machine
Reach Stacker P3VO            
Heavy Forlift A6VM A4VTG A10VSO        
Tire Crane A6VM            
Maritime Port
Ship A6VE A6VM P1V(A)O A10VSO A2FE A2FM  
Offshore platform A6VE A6VM P1V(A)O A10VSO A2FE A2FM  
Wind power P1V(A)O            
Dredging vessels P1V(A)O            
Others              
Marine Crane A 11VLO A2FM FMF  A4VG A6VM