Bokin Electro-Hydraulic Technology (Foshan) Co., Ltd. is one of the leading manufacturers and suppliers of 4WRZE10 F1 Pilot‑Operated Proportional Directional Valve
4‑20mA Current Control | NG10 Size | Integrated OBE in China. If you're going to wholesale bulk durable 4WRZE10 F1 Pilot‑Operated Proportional Directional Valve
4‑20mA Current Control | NG10 Size | Integrated OBE made in China, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.
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Key Specifications At a Glance
| Parameter | Value |
|---|---|
| Nominal Size | NG10 (Component Series 7X) |
| Mounting Standard | ISO 4401‑05‑05‑0‑05 |
| Max Operating Pressure (A/B/P ports, main valve) | 350 bar |
| Max Operating Pressure (T port, external pilot return) | 315 bar |
| Max Operating Pressure (internal pilot supply) | 100 bar |
| Max Flow | 170 L/min |
| Rated Flow (Δp = 5 bar per control edge) | 25 / 50 / 85 L/min |
| Control Signal | F1 interface, 4 – 20 mA current input |
| Input Resistance | 100 Ω |
| Hysteresis | ＜6% |
| Supply Voltage | 24 VDC (19 – 36 VDC range) |
| Protection Class | IP65 (correctly mounted connector) |
| Ambient Temperature | -20°C to +50°C |
| Hydraulic Fluid Temperature | -20°C to +80°C |
| Weight | 8.0 kg |
| Optional Features | Concealed manual override (N9), pressure reducing valve (D3), seawater‑resistant version (J) |
| Seal Material | NBR (M) / FKM (V) |
| CE Compliance | MD 2006/42/EC, EN ISO 12100:2010, EMC Directive 2014/30/EU, RoHS 2011/65/EU |
Available Configurations
Select the flow rating and spool type for your system:
|
Model Number |
Rated Flow |
Spool Type |
Quick Action |
| 4WRZE 10 E25-7X/6EG24N9K31/F1M |
25 L/min |
Standard zero overlap (E) | |
| 4WRZE 10 E25-7X/6EG24N9TK31/F1M | 25 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E25-7X/6EG24N9EK31/F1M | 25 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E25-7X/6EG24N9ETK31/F1M | 25 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E50-7X/6EG24N9K31/F1M | 50 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E50-7X/6EG24N9EK31/F1M | 50 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E50-7X/6EG24N9TK31/F1M | 50 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E50-7X/6EG24N9ETK31/F1M | 50 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E85-7X/6EG24N9K31/F1M | 85 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E85-7X/6EG24N9EK31/F1M | 85 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E85-7X/6EG24N9TK31/F1M | 85 L/min | Standard zero overlap (E) | |
| 4WRZE 10 E85-7X/6EG24N9ETK31/F1M | 85 L/min | Standard zero overlap (E) |
Need a custom spool profile or special configuration? Send us your requirements → Get Custom Solution
Product Key Advantages
1. Current‑Control Strong Anti‑Interference
4‑20mA industry‑standard current interface delivers strong anti‑interference performance and reliable transmission over long distances (up to 40 m with LiYCY cable). Integrated OBE with current limiting and short‑circuit protection safeguards both valve and control system.
2. Standardized Interchangeable Design
Manufactured strictly to ISO 4401‑05‑05‑0‑05 NG10 mounting dimensions with identical port layout and 4‑20mA F1 electrical pin‑out matching Rexroth 4WRZE10 F1. Direct drop‑in installation without manifold re‑machining or rewiring, minimizing retrofit downtime.
3. Compact Design with Optional Features
Compact 8.0 kg footprint with subplate mounting fits tight machinery layouts. Optional concealed manual override (N9) enables emergency operation without power. Optional pressure reducing valve (D3) stabilizes pilot pressure in fluctuating supply conditions.
4. Robust Industrial‑Grade Reliability
IP65 ingress protection with properly mounted connectors withstands dust and water ingress in industrial environments. Spring‑centered spool returns to neutral position upon de‑energization for safe system reset. Detachable solenoid coils enable easy maintenance and replacement.
Compatibility Reference
|
Corresponding Rexroth Model |
BOKIN Equivalent Model |
Core Match Points |
| 4WRZE 10 E25-7X/6EG24N9K31/F1M | 4WRZE 10 E25-7X/6EG24N9K31/F1M | Same ISO 4401 NG10 mounting, 4‑20mA F1 interface, integrated OBE, hydraulic performance |
| 4WRZE 10 E25-7X/6EG24N9TK31/F1M | 4WRZE 10 E25-7X/6EG24N9TK31/F1M | |
| 4WRZE 10 E25-7X/6EG24N9EK31/F1M | 4WRZE 10 E25-7X/6EG24N9EK31/F1M | |
| 4WRZE 10 E25-7X/6EG24N9ETK31/F1M | 4WRZE 10 E25-7X/6EG24N9ETK31/F1M | |
| 4WRZE 10 E50-7X/6EG24N9K31/F1M | 4WRZE 10 E50-7X/6EG24N9K31/F1M | |
| 4WRZE 10 E50-7X/6EG24N9EK31/F1M | 4WRZE 10 E50-7X/6EG24N9EK31/F1M | |
| 4WRZE 10 E50-7X/6EG24N9TK31/F1M | 4WRZE 10 E50-7X/6EG24N9TK31/F1M | |
| 4WRZE 10 E50-7X/6EG24N9ETK31/F1M | 4WRZE 10 E50-7X/6EG24N9ETK31/F1M | |
| 4WRZE 10 E85-7X/6EG24N9K31/F1M | 4WRZE 10 E85-7X/6EG24N9K31/F1M | |
| 4WRZE 10 E85-7X/6EG24N9EK31/F1M | 4WRZE 10 E85-7X/6EG24N9EK31/F1M | |
| 4WRZE 10 E85-7X/6EG24N9TK31/F1M | 4WRZE 10 E85-7X/6EG24N9TK31/F1M | |
| 4WRZE 10 E85-7X/6EG24N9ETK31/F1M | 4WRZE 10 E85-7X/6EG24N9ETK31/F1M | |
|
More models are available; please contact us for additional model options. |
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Note: For system configuration reference only. BOKIN is an independent brand. Please verify specifications before installation.
Typical Applications
- Automated packaging machinery & small conveyor systems
- PLC‑controlled compact hydraulic systems & DCS networks
- Food processing & pharmaceutical production lines
- Electronic manufacturing automation equipment
- Compact material handling & positioning systems
Need voltage control for short‑wiring precision?
Need larger flow capacity?
Installation & Commissioning Guidelines
Installation Notes
- Thoroughly clean all oil ports and connecting surfaces before installation to prevent contaminants from entering the valve body.
- Confirm the control signal type (4‑20mA current) and power‑supply voltage match the valve nameplate specifications before wiring.
- Tighten 4 mounting bolts evenly to the recommended torque (13.5–15.5 Nm for M6 screws) to avoid valve‑body deformation and internal leakage, complying with ISO 4401‑05‑05‑0‑05 NG10 mounting specifications.
- Preferred horizontal installation. Ensure the tank line does not run empty; install a back‑pressure valve if required by installation conditions.
- Use shielded LiYCY cable (7×0.75 mm² up to 20 m / 7×1.0 mm² up to 40 m) with metal mating connector for EMC‑compliant installation.
- Gradually ramp‑up system pressure during commissioning. Inspect for leakage and abnormal noise before switching to full‑load operation.
Safety Precautions
- Retain manual hydraulic override for backup safety during system retrofits.
- Fit pressure‑relief valves in the hydraulic circuit for overpressure protection.
- Implement emergency‑stop logic to de‑energize the proportional valve under fault conditions.
- Ensure hoses and hydraulic connections are rated for the system's maximum working pressure.
- Accidental activation of the manual override may lead to uncontrolled machine movements; only operate by trained personnel.
FAQ
Q: What is the main difference between 4WRZE10 F1 and 4WRZ10 F1?
A: 4WRZE10 F1 has integrated on‑board electronics (OBE) built into the valve body. 4WRZ10 F1 requires a separate external amplifier for control. Both share the same NG10 mounting footprint and hydraulic performance.
Q: What pilot oil supply modes are available for 4WRZE10?
A: Four standard modes: external pilot & external return (standard), internal pilot & external return (E), internal pilot & internal return (ET), external pilot & internal return (T). Select based on your system circuit design.
Q: Can this valve directly replace Rexroth 4WRZE10 series?
A: Yes. It follows the same ISO 4401 NG10 mounting standard, identical port geometry, 4‑20mA F1 electrical interface and hydraulic performance. It supports drop‑in installation on compatible manifolds. Please send your full part number for final compatibility confirmation.
Q: What about warranty and lead‑time?
A: All standard valves carry a 12‑month quality warranty from delivery date plus lifelong technical consultation. Standard 4WRZE10 F1 configurations ship within 2‑4 weeks after order confirmation.
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