Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100 |
| Delivery Time | 2 weeks |
| Packaging Details | wooden box |
| Model | 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M |
| Type | Pilot-operated, 2-stage proportional directional valve |
| Function | 4/3-way (3 positions, 4 ports), spring-centered |
| Spool Type | W8 (Overlap spool, O-type mid-position, 2:1 area ratio) |
| Max. Operating Pressure | P, A, B: 350 bar; T port: 210 bar |
| Brand Name | Rexroth |
| Model Number | R900753993 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M |
| Certification | ISO |
| Place of Origin | German |
View Detail Information
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100 |
| Delivery Time | 2 weeks | Packaging Details | wooden box |
| Model | 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M | Type | Pilot-operated, 2-stage proportional directional valve |
| Function | 4/3-way (3 positions, 4 ports), spring-centered | Spool Type | W8 (Overlap spool, O-type mid-position, 2:1 area ratio) |
| Max. Operating Pressure | P, A, B: 350 bar; T port: 210 bar | Brand Name | Rexroth |
| Model Number | R900753993 4WRZE25W8-325-7X/6EG24N9EK31/F1D3M | Certification | ISO |
| Place of Origin | German | ||
| High Light | Rexroth hydraulic servo valve ，German Rexroth solenoid valve ，4WRZE25W8 hydraulic valve | ||
|
Parameter |
Specification |
|---|---|
|
Order Number |
R900753993 |
|
Model |
4WRZE25W8-325-7X/6EG24N9EK31/F1D3M |
|
Type |
Pilot-operated, 2-stage proportional directional valve |
|
Function |
4/3-way (3 positions, 4 ports), spring-centered |
|
Spool Type |
W8 (Overlap spool, O-type mid-position, 2:1 area ratio) |
|
Nominal Size |
NG25 (CETOP 8) |
|
Max. Operating Pressure |
P, A, B: 350 bar; T port: 210 bar |
|
Rated Flow |
325 L/min (at Δp = 10 bar per control land) |
|
Max. Flow |
Approx. 870 L/min |
|
Electronics |
Integrated On-Board Electronics (OBE) |
|
Supply Voltage |
24V DC (19.4...35 VDC) |
|
Control Signal |
4–20 mA (Analog current input, /F1 suffix) |
|
Feedback |
No electrical position feedback (open-loop) |
|
Pilot Oil Supply |
External (X) |
|
Pilot Oil Return |
External (Y) |
|
Manual Override |
Yes (N9E, concealed) |
|
Pressure Reducing Valve |
Yes (D3, ZDR 6 DP0-4X/...) |
|
Seal Material |
NBR (M) |
|
Electrical Connector |
7-pin (6 + PE) plug (DIN EN 175201-804, K31) |
|
Mounting Interface |
ISO 4401-08-08-0-05 (CETOP 8 subplate) |
|
Suitable Media |
Mineral oils (HL, HLP), HETG, HEES, HEPG, HFDU, HFDR |
|
Media Temperature |
-20°C to +80°C (optimal 40–50°C) |
|
Viscosity Range |
20 to 380 mm²/s |
|
Weight |
Approx. 18.9 kg (with D3 option) |
| 4WRZE25W8-220-72/6EG24N9EK31/A1D3M |
| 4WRZE25W8-220-72/6EG24N9EK31/F1D3M |
| 4WRZE25W8-220-72/6EG24N9ETK31/F1D3M |
| 4WRZE25W8-220-72/6EG24N9ETK31/F1D3V |
| 4WRZE25W8-220-72/6EG24N9K31/A1D3V |
| 4WRZE25W8-220-72/6EG24N9K31/A1M |
| 4WRZE25W8-220-72/6EG24N9K31/F1D3M |
| 4WRZE25W8-325-72/6EG24EK31/A1D3M |
| 4WRZE25W8-325-72/6EG24EK31/F1D3M |
| 4WRZE25W8-325-72/6EG24ETK31/A1D3M |
| 4WRZE25W8-325-72/6EG24ETK31/F1M |
| 4WRZE25W8-325-72/6EG24K31/A1D3M |
| 4WRZE25W8-325-72/6EG24K31/A1M |
| 4WRZE25W8-325-72/6EG24N9EK31/A1D3M |
| 4WRZE25W8-325-72/6EG24N9EK31/A1D3V |
| 4WRZE25W8-325-72/6EG24N9EK31/A1V |
| 4WRZE25W8-325-72/6EG24N9EK31/F1D3M |
| 4WRZE25W8-325-72/6EG24N9EK31/F1D3V |
| 4WRZE25W8-325-72/6EG24N9ETK31/F1D3M |
| 4WRZE25W8-325-72/6EG24N9ETK31/F1D3V |
| 4WRZE25W8-325-72/6EG24N9K31/A1D3M |
| 4WRZE25W8-325-72/6EG24N9K31/A1M |
| 4WRZE25W8-325-72/6EG24N9K31/F1D3M |
| 4WRZE25W9-220-72/6EG24N9EK31/A1D3M |
| 4WRZE25W9-220-72/6EG24N9EK31/A1D3V |
| 4WRZE25W9-220-72/6EG24N9ETK31/A1D3V |
| 4WRZE25W9-220-72/6EG24N9K31/A1D3M |
| 4WRZE25W9-220-72/6EG24N9K31/F1D3M |
| 4WRZE25W9-325-72/6EG24N9EK31/A1D3M |
| 4WRZE25W9-325-72/6EG24N9K31/A1D3M |
| 4WRZE32E1-360-72/6EG24ETK31/A1D3M |
| 4WRZE32E1-520-72/6EG24ETK31/A1D3M |
| 4WRZE32E1-520-72/6EG24N9K31/A1D3M |
| 4WRZE32E360-72/6EG24ETK31/A1D3M |
| 4WRZE32E360-72/6EG24K31/A1M |
| 4WRZE32E520-72/6EG24EK31/A1D3M |
| 4WRZE32E520-72/6EG24EK31/F1D3M |
| 4WRZE32E520-72/6EG24ETK31/A1D3M |
| 4WRZE32E520-72/6EG24K31/A1D3M |
| 4WRZE32E520-72/6EG24N9ETK31/A1M |
Q: What is the main difference between this valve and the previous R901014940?
A: This valve (R900753993) uses external pilot oil supply (X) and external pilot oil return (Y), while R901014940 uses internal pilot supply. The external X/Y configuration allows you to provide a clean, stable, and independent pilot pressure source, which is critical for high-performance applications with fluctuating main system pressures.
Q: How does the pilot oil configuration work?
A: This valve (/6EG24N9EK31) uses external pilot oil supply (X port) and external pilot oil return (Y port). You must provide clean, filtered pilot oil to the X port (typically 20–100 bar) and ensure the Y port drains directly to the tank with minimal backpressure (max 30 bar).
Q: Why choose the /F1 version?
A: The /F1 suffix (4–20 mA current input) is ideal for noisy industrial environments or when the control signal must travel long distances (e.g., from a control room to a machine). It is less susceptible to voltage drop and electromagnetic interference than voltage signals (±10 V).
Q: What is the role of the /D3 pressure reducing valve?
A: The /D3 option is an integrated, fixed-setting pressure reducing valve (ZDR 6). It ensures the pilot stage receives a stable, reduced pressure (typically around 40 bar), protecting the sensitive pilot valve from high and fluctuating main system pressures. This is critical for consistent valve performance.
Q: What is the critical installation note?
A: You must connect the external pilot drain (Y port) directly to the tank with a dedicated line. Backpressure on the Y port must be below 30 bar to ensure proper pilot valve function. Provide clean, regulated pilot pressure to the X port (20–100 bar). Maintain high oil cleanliness (recommended NAS 1638 Class 8 or ISO 4406 20/18/15 for the main stage).
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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