Bokin Electro-Hydraulic Technology (Foshan) Co., Ltd. is one of the leading manufacturers and suppliers of 4WRPEH6 A1 High-Speed Proportional Directional Valve
±10V Voltage Control | NG6 Size | Ultra-Fast Servo-Grade Response in China. If you're going to wholesale bulk durable 4WRPEH6 A1 High-Speed Proportional Directional Valve
±10V Voltage Control | NG6 Size | Ultra-Fast Servo-Grade Response made in China, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.
↵
Key Specifications At a Glance
| Parameter | Value |
|---|---|
| Nominal Size | NG6 (Component Series 3X) |
| Mounting Standard | ISO 4401-03-02-0-05 |
| Max Operating Pressure (A/B/P ports) | 350 bar |
| Max Operating Pressure (T port) | 210 bar |
| Rated Flow (Δp = 70 bar per control edge) | 4 – 40 L/min |
| Control Signal | A1 interface, ±10 VDC voltage input |
| Optional Digital Interface | IO-Link (Industry 4.0 ready) |
| Dynamic Response Time | < 10 ms |
| Hysteresis | < 0.1% |
| Response Sensitivity | < 0.05% |
| Safety Rating (with IO-Link) | PL d, Category 3 per EN 13849-1 |
| Pilot Oil Demand | None (direct-acting structure) |
| Supply Voltage | 24 VDC (19 – 36 VDC range) |
| Protection Class | IP65 (correctly mounted connector) |
| Ambient Temperature | -20°C to +60°C |
| CE Compliance | MD 2006/42/EC, EN ISO 12100:2010 |
Available Configurations
Select the flow rating and spool type for your system:
|
Model Number |
Rated Flow |
Spool Type |
Quick Action |
| 4WRPEH 6 C B04L-3X/M/24A1 |
4 L/min |
Standard zero overlap (C) | |
| 4WRPEH 6 C B12L-3X/M/24A1 |
12 L/min |
Standard zero overlap (C) | |
| 4WRPEH 6 C B24L-3X/M/24A1 |
24 L/min |
Standard zero overlap (C) | |
| 4WRPEH 6 C B40L-3X/M/24A1 |
40 L/min |
Standard zero overlap (C) | |
| 4WRPEH 6 C1 B04L-3X/M/24A1 |
4 L/min |
Underlap (C1) | |
| 4WRPEH 6 C1 B12L-3X/M/24A1 |
12 L/min |
Underlap (C1) | |
| 4WRPEH 6 C1 B24L-3X/M/24A1 |
24 L/min |
Underlap (C1) | |
| 4WRPEH 6 C1 B40L-3X/M/24A1 |
40 L/min |
Underlap (C1) | |
| 4WRPEH 6 C3 B04L-3X/M/24A1 |
4 L/min |
Overlap (C3) | |
| 4WRPEH 6 C3 B12L-3X/M/24A1 |
12 L/min |
Overlap (C3) | |
| 4WRPEH 6 C3 B24L-3X/M/24A1 |
24 L/min |
Overlap (C3) | |
| 4WRPEH 6 C3 B40L-3X/M/24A1 |
40 L/min |
Overlap (C3) | |
| 4WRPEH 6 C4 B04L-3X/M/24A1 |
4 L/min |
Heavy overlap (C4) | |
| 4WRPEH 6 C4 B12L-3X/M/24A1 |
12 L/min |
Heavy overlap (C4) | |
| 4WRPEH 6 C4 B24L-3X/M/24A1 |
24 L/min |
Heavy overlap (C4) | |
| 4WRPEH 6 C4 B40L-3X/M/24A1 |
40 L/min |
Heavy overlap (C4) |
Need a custom spool profile or special configuration? Send us your requirements → Get Custom Solution
Product Key Advantages
1. 10ms Ultra-Fast Dynamic Response
Optimized direct-acting drive structure paired with high-sensitivity solenoid delivers response time controlled within 10ms - 3x faster than standard proportional valves. It achieves high-frequency dynamic flow regulation, perfectly matching the demands of high-speed test rigs and CNC precision feeding systems.
2. Hassle-Free Direct Interchangeability
Manufactured strictly to ISO 4401 NG6 mounting dimensions, with identical port layout and ±10V A1 electrical pin assignments to equivalent Rexroth 4WRPEH6 A1 valves. Installs directly into existing compatible manifolds without re-machining or rewiring, minimizing retrofit downtime.
3. Servo-Grade Micro-Precision Control
Servo-grade machined spool and sleeve with micron-level matching clearance achieve hysteresis below 0.1% and repeatability error under 0.05%. It ensures stable linear control even at micro-flow conditions, meeting the strict requirements of high-precision manufacturing scenarios.
4. Safe & Efficient Industrial Design
Direct-acting structure eliminates the need for external pilot oil supply, reducing system energy consumption and maintenance points. Spring-centered spool provides automatic fail-safe reset upon power failure. Optional IO-Link interface supports smart condition monitoring and safety shut-off up to PL d / Category 3 per EN 13849-1.
Compatibility Reference
|
Corresponding Rexroth Model |
BOKIN Equivalent Model |
Core Match Points |
| 4WRPEH 6 C B04L-3X/M/24A1 | 4WRPEH 6 C B04L-3X/M/24A1 | Same mounting dimensions, ±10V A1 interface, <10ms response, hydraulic performance |
| 4WRPEH 6 C B12L-3X/M/24A1 | 4WRPEH 6 C B12L-3X/M/24A1 | |
| 4WRPEH 6 C B24L-3X/M/24A1 | 4WRPEH 6 C B24L-3X/M/24A1 | |
| 4WRPEH 6 C B40L-3X/M/24A1 | 4WRPEH 6 C B40L-3X/M/24A1 | |
| 4WRPEH 6 C1 B04L-3X/M/24A1 | 4WRPEH 6 C1 B04L-3X/M/24A1 | |
| 4WRPEH 6 C1 B12L-3X/M/24A1 | 4WRPEH 6 C1 B12L-3X/M/24A1 | |
| 4WRPEH 6 C1 B24L-3X/M/24A1 | 4WRPEH 6 C1 B24L-3X/M/24A1 | |
| 4WRPEH 6 C1 B40L-3X/M/24A1 | 4WRPEH 6 C1 B40L-3X/M/24A1 | |
| 4WRPEH 6 C3 B04L-3X/M/24A1 | 4WRPEH 6 C3 B04L-3X/M/24A1 | |
| 4WRPEH 6 C3 B12L-3X/M/24A1 | 4WRPEH 6 C3 B12L-3X/M/24A1 | |
| 4WRPEH 6 C3 B24L-3X/M/24A1 | 4WRPEH 6 C3 B24L-3X/M/24A1 | |
| 4WRPEH 6 C3 B40L-3X/M/24A1 | 4WRPEH 6 C3 B40L-3X/M/24A1 | |
| 4WRPEH 6 C4 B04L-3X/M/24A1 | 4WRPEH 6 C4 B04L-3X/M/24A1 | |
| 4WRPEH 6 C4 B12L-3X/M/24A1 | 4WRPEH 6 C4 B12L-3X/M/24A1 | |
| 4WRPEH 6 C4 B24L-3X/M/24A1 | 4WRPEH 6 C4 B24L-3X/M/24A1 | |
| 4WRPEH 6 C4 B40L-3X/M/24A1 | 4WRPEH 6 C4 B40L-3X/M/24A1 | |
|
More models are available; please contact us for additional model options. |
||
Note: For system configuration reference only. BOKIN is an independent brand. Please verify specifications before installation.
Typical Applications
- High-frequency dynamic hydraulic test rigs & fatigue testing systems
- Micro-precision injection molding for electronic & medical parts
- High-speed CNC feeding & positioning hydraulic systems
- Industry 4.0 smart hydraulic stations with digital monitoring
- Safety-critical hydraulic circuits requiring PL d protection level
- Small precision hydraulic actuators for semiconductor manufacturing
Need current loop control for long-distance wiring?
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 (±10V voltage) and power supply voltage match the valve nameplate specifications before wiring.
- Tighten mounting bolts evenly to the recommended torque to avoid valve body deformation and internal leakage, in accordance with ISO 4401-03-02-0-05 NG6 mounting standards.
- Gradually increase system pressure during commissioning. Monitor for leaks and abnormal noise before full-load operation.
Safety Precautions
- Maintain manual hydraulic override capability during system retrofit for backup safety.
- Install pressure relief valves in the hydraulic circuit to protect against overpressure.
- Add an emergency stop circuit that de-energizes the proportional valve in emergency situations.
- Ensure all hydraulic connections and hoses are rated for your system's maximum working pressure.
FAQ
Q: Can this valve replace Rexroth 4WRPEH6 C B24L-3X/M/24A1 directly?
A: BOKIN 4WRPEH6 A1 is designed to match the ISO 4401 NG6 mounting standard, port size, ±10V A1 electrical interface and dynamic response performance of equivalent Rexroth configurations. It supports direct drop-in installation in compatible systems. We recommend sharing your full model code for our engineers to confirm suitability.
Q: What is the core difference between 4WRPEH and 4WREE valves?
A: 4WRPEH features ultra-fast response within 10ms, servo-grade spool precision and optional IO-Link digital interface, designed for high-frequency and micro-precision scenarios. 4WREE is a general-purpose precision proportional valve with <30ms response for conventional industrial use.
Q: What functions does the optional IO-Link interface provide?
A: The IO-Link interface supports remote parameter setting, real-time operating status monitoring, fault diagnosis and safety shut-off function, helping users build smart digital hydraulic systems.
Q: What is the warranty period?
A: All standard valves come with a 12-month quality warranty from the delivery date, with lifelong technical consultation support.
Ready to Get a Quote?
Send us your required model, quantity and application details, and our team will reply within 24 hours with a formal quotation.
Hot Tags: 4WRPEH6 A1 High-Speed Proportional Directional Valve
±10V Voltage Control | NG6 Size | Ultra-Fast Servo-Grade Response, China 4WRPEH6 A1 High-Speed Proportional Directional Valve
±10V Voltage Control | NG6 Size | Ultra-Fast Servo-Grade Response manufacturers, Direct Acting Hydraulic Proportional Valve 4WRPEH10 A1 10V Control, 4wrpeh, Direct Acting Hydraulic Proportional Valve 4WRPEH6 A1 10V Control, 4WRPEH10 High Response Hydraulic Valve, Ng6 Proportional Valve, Direct Acting Hydraulic Proportional Valve 4WRPEH6 F1 4 20mA Control
