Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Certifiion | ISO |
| Viscosity Range | 10 to 380 mm²/s |
| Supply Ability | 100 |
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Weight | Approx. 2.6 kg |
| Packaging Details | wooden box |
| Rated Flow | 16 L/min |
| Delivery Time | 2 weeks |
| Media Temperature | -20°C to +60°C |
| Supply Voltage | 24V DC |
| Brand Name | Rexroth |
| Model Number | 4WREE6E16-3X/V/24A1 |
| Place of Origin | Germany |
View Detail Information
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Product Specification
| Certifiion | ISO | Viscosity Range | 10 to 380 mm²/s |
| Supply Ability | 100 | Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Weight | Approx. 2.6 kg | Packaging Details | wooden box |
| Rated Flow | 16 L/min | Delivery Time | 2 weeks |
| Media Temperature | -20°C to +60°C | Supply Voltage | 24V DC |
| Brand Name | Rexroth | Model Number | 4WREE6E16-3X/V/24A1 |
| Place of Origin | Germany | ||
| High Light | Rexroth proportional hydraulic valve ，Rexroth 4WREE6E16 valve ，Rexroth hydraulic valve 24A1 | ||
|
Parameter |
Specifiion |
|---|---|
|
Model |
4WREE 6 E16-3X/V/24A1 |
|
Order No. |
R901496427 |
|
Type |
Direct-operated proportional directional valve with integrated electronics (OBE) |
|
Function |
4/3-way (3 positions, 4 ports), spring-centered |
|
Nominal Size |
NG6 (Size 6) |
|
Max. Operating Pressure |
P, A, B: 350 bar; T port: 210 bar |
|
Rated Flow |
16 L/min (at Δp = 10 bar) |
|
Max. Flow |
80 L/min |
|
Spool Type |
E (Zero-overlap / critical center) |
|
Spool Characteristic |
Linear (high precision) |
|
Electronics |
Integrated On-Board Electronics (OBE) |
|
Supply Voltage |
24V DC |
|
Control Signal |
Analog ±10V (via OBE) |
|
Feedback |
Integrated LVDT (spool position sensor) |
|
Electrical Connector |
7-pin device plug (6+PE, per EN 175201-804) |
|
Mounting Interface |
ISO 4401-03-02-0-05 (CETOP 3 subplate) |
|
Ports (P, A, B, T) |
4x threaded (M5x0.8 typical for NG6) |
|
Drain Port (Y) |
M14x1.5 (must be connected to tank) |
|
Seal Material |
FKM (Viton) |
|
Suitable Media |
Mineral oils (HL, HLP), HETG, HEES, HEPG, HFDU, HFDR |
|
Media Temperature |
-20°C to +60°C (operating) |
|
Viscosity Range |
10 to 380 mm²/s |
|
Weight |
Approx. 2.6 kg (with two coils) |
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Q: Does this valve need an external amplifier?
A: No. The "4WREE" series designation and the "/24A1" suffix confirm that this valve has Integrated On-Board Electronics (OBE). It accepts a direct analog command signal (±10V) and contains the necessary amplifier circuitry internally. You can connect it directly to your PLC's analog output card (with proper shielding) without an external VT-VSPA1-type amplifier card.
Q: What is the difference between the "E" spool and the "W" or "V" spools?
A: The "E" spool is a zero-overlap (critical center) spool with a linear flow characteristic. It provides very high resolution and repeatability, especially at low flows, making it ideal for precise position or speed control. "W" spools are also zero-overlap but may have a different flow gain curve. "V" spools are typically progressive (orifice-type) and are better for general flow control where fine low-speed control is less critical. The "E" spool is a high-performance choice for closed-loop systems.
Q: The pressure rating shows 350 bar. Is that safe for a 315 bar system?
A: Yes, it is safe and standard. The 4WREE series in the "3X" generation is rated for a maximum operating pressure of 350 bar on the P, A, and B ports. This provides a safety margin when used in systems with a 315 bar rated pump or relief valve. Always ensure the T (tank) port pressure does not exceed 210 bar.
Q: What is the purpose of the drain port (Y), and how must it be installed?
A: The drain port (Y) is mandatory. It serves two critical functions: 1) It drains internal leakage oil from the valve's solenoid cavities. 2) It provides a reference pressure for the LVDT position sensor. This port must be connected directly to the tank (reservoir) with a dedied, non-pressurized line. If the drain line is blocked or pressurized, it can cause valve malfunction, internal damage, or inaccurate spool positioning.
Q: Can I replace an older 4WRE valve (without OBE) with this 4WREE valve?
A: Hydraulically, yes (footprint is ISO 4401-03); Electrically, no. The mounting pattern and port sizes are identical. However, the older 4WRE valve requires an external amplifier, while the 4WREE has a built-in OBE. A swap would require rewiring: removing the external amplifier and connecting the ±10V signal and 24V power directly to the valve's 7-pin connector. The control program usually does not need change if the command signal range remains ±10V.
Q: What does the "3X" in the model number mean?
A: "3X" denotes the component series (30-39). This indies the physical dimensions and mounting pattern. All "3X" series NG6 valves have identical installation dimensions, allowing for direct replacement with other 4WREE...-3X valves without modifying the manifold.
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
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