Rexroth Proportional Hydraulic Electro-Hydraulic Directional Valves
Primary Models
4WRZ32E1-520-70/6EG24N9TK4/M
4WRZ32W6-520-70/6EG24N9K4/D3M
4WRZ32W6-520-70/6EG24N9K4/M
German-made electromagnetic proportional hydraulic directional valves designed for precision control in industrial applications.
Product Specifications
| Complete Model Example |
Model Code Breakdown |
Core Configuration Parameters |
Release Status |
| 4WRE 6 E04-2X/V |
4WRE: Base Model
6: Nominal Size
E: 4/3 3-position 4-way (spring-centered)
04: Rated Flow 4L/min (Δp=10bar)
2X: Component Series
V: Seal Material (FKM Fluororubber) |
Valve Type: 4/3 3-position 4-way
Flow Rate: 4L/min
Seal: FKM
Power Supply: Compatible with DC24V
Interface: Supports ±10V/4-20mA |
Officially Released (Mass Production) |
| 4WRE 6 E08-2X/V |
4WRE: Base Model
6: Nominal Size
E: 4/3 3-position 4-way (spring-centered)
08: Rated Flow 8L/min (Δp=10bar)
2X: Component Series
V: Seal Material (FKM Fluororubber) |
Valve Type: 4/3 3-position 4-way
Flow Rate: 8L/min
Seal: FKM
Power Supply: Compatible with DC24V
Interface: Supports ±10V/4-20mA |
Officially Released (Mass Production) |
| 4WRE 6 E16-2X/V |
4WRE: Base Model
6: Nominal Size
E: 4/3 3-position 4-way (spring-centered)
16: Rated Flow 16L/min (Δp=10bar)
2X: Component Series
V: Seal Material (FKM Fluororubber) |
Valve Type: 4/3 3-position 4-way
Flow Rate: 16L/min
Seal: FKM
Power Supply: Compatible with DC24V
Interface: Supports ±10V/4-20mA |
Officially Released (Mass Production) |
| 4WRE 6 E32-2X/V |
4WRE: Base Model
6: Nominal Size
E: 4/3 3-position 4-way (spring-centered)
32: Rated Flow 32L/min (Δp=10bar)
2X: Component Series
V: Seal Material (FKM Fluororubber) |
Valve Type: 4/3 3-position 4-way
Flow Rate: 32L/min
Seal: FKM
Power Supply: Compatible with DC24V
Interface: Supports ±10V/4-20mA |
Officially Released (Mass Production) |
| 4WRE 6 J08-2X/V |
4WRE: Base Model
6: Nominal Size
J: 4/2 2-position 4-way
08: Rated Flow 8L/min (Δp=10bar)
2X: Component Series
V: Seal Material (FKM Fluororubber) |
Valve Type: 4/2 2-position 4-way
Flow Rate: 8L/min
Seal: FKM
Power Supply: Compatible with DC24V
Interface: Supports ±10V/4-20mA |
Officially Released (Mass Production) |
| 4WRE 6 E08-2X/VJ |
4WRE: Base Model
6: Nominal Size
E: 4/3 3-position 4-way (spring-centered)
08: Rated Flow 8L/min (Δp=10bar)
2X: Component Series
V: Seal Material (FKM Fluororubber)
J: Special Protection (Seawater-Resistant) |
Valve Type: 4/3 3-position 4-way
Flow Rate: 8L/min
Seal: FKM
Protection: Seawater corrosion resistance
Power Supply: Compatible with DC24V
Interface: Supports ±10V/4-20mA |
Officially Released (Specialized Mass Production) |
![4WRZ32E1-520-7
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Additional Model Variants
4WRZ16E100-7X/6EG24N9K4/M
4WRZ16E100-7X/6EG24N9K4/D3M
4WRZ32W6A520-70/6EG24N9ETK4/M
4WRZ32EA520-70/6EG24N9ETK4/M
4WRZ32W6-520-70/6EG24N9TK4/D3M
4WRZ32EA360-70/6EG24N9EK4/M
4WRZ32W9-520-70/6EG24N9ETK4/M
4WRZ32W9-520-70/6EG24N9K4/M
4WRZ32W9-360-70/6EG24N9TK4/D3M
4WRZ32W9-360-70/6EG24N9ETK4/M
4WRZ32W9-360-70/6EG24N9K4/M
4WRZ32W8-520-70/6EG24N9TK4/D3M
4WRZ32W8-520-70/6EG24N9ETK4/M
4WRZ32W8-520-70/6EG24N9K4/M
4WRZ32W8-360-70/6EG24N9TK4/D3M
4WRZ32W8-360-70/6EG24N9ETK4/M
4WRZ32W8-360-70/6EG24N9K4/M
Frequently Asked Questions
Can 4WRZ valves handle pressure spikes?
They are rated for maximum operating pressure (315-350 bar) but should be protected with pressure relief valves to prevent damage from excessive spikes.
What is the recommended maintenance interval for 4WRZ valves?
Routine inspection every 6 months; maintenance frequency increases with harsh operating conditions (e.g., high temperature, dirty fluid).
How to replace the seal kit on a 4WRZ valve?
Disassemble the valve per the manual, remove old seals, clean seal grooves, install new seals (NBR or FKM, per fluid compatibility), and reassemble.
What spare parts are commonly required for 4WRZ valves?
Seal kits (valve connection surface and terminal box), detachable solenoid coils, centering springs, and manual override components.
How to clean a 4WRZ valve?
Flush the valve with compatible hydraulic fluid; remove and clean the main spool if jamming occurs (avoid abrasive cleaners).
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