BOKIN 4WRTE Series Proportional Directional Valves
Pilot-Operated | Integrated OBE | Pressure Compensated | ISO 4401 Mounting
4WRTE series are high-response pilot-operated two-stage proportional directional valves with electrical position feedback, integrated on-board electronics (OBE) and automatic pressure compensation. Designed for precise, high-speed flow direction and flow rate control in dynamic hydraulic systems, they fully match the mounting dimensions, electrical interfaces and hydraulic performance of equivalent Rexroth 4WRTE configurations, supporting straightforward drop-in installation.
Available in NG10, NG16, NG25, NG27, NG32 and NG35 nominal sizes, with ±10V voltage, 4–20mA current loop and enable signal control options, multiple spool profiles and flow characteristics. Optimized for blow molding machines, packaging equipment and high-cycle industrial hydraulic systems.
Core Specifications:
NG10 – NG35 Sizes | 350 Bar Max Pressure | Up to 1000 L/min Rated Flow | Hysteresis ≤ 0.1% | 12-Month Warranty
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4WRTE10 A1 Pilot‑Operated Directional Control Valve
±...BOKIN 4WRTE10 A1 is a pilot‑operated 4/3‑way directional control valve with electrical position feedback and integrated on‑board electronics (OBE). Dual inductive position transducers (pilot + main -
4WRTE16 A1 Pilot‑Operated Directional Control Valve
±...BOKIN 4WRTE16 A1 is a pilot‑operated 4/3‑way directional control valve with electrical position feedback and integrated on‑board electronics (OBE). Dual inductive position transducers (pilot + main -
4WRTE25 A1 Pilot‑Operated Directional Control Valve
±...BOKIN 4WRTE25 A1 is a pilot‑operated 4/3‑way directional control valve with electrical position feedback and integrated on‑board electronics (OBE). Dual inductive position transducers (pilot + main -
4WRTE27 A1 Pilot‑Operated Directional Control Valve
±...BOKIN 4WRTE27 A1 is a pilot‑operated 4/3‑way directional control valve with electrical position feedback and integrated on‑board electronics (OBE). Dual inductive position transducers (pilot + main -
4WRTE32 A1 Pilot‑Operated Directional Control Valve
±...BOKIN 4WRTE32 A1 is a pilot‑operated 4/3‑way directional control valve equipped with electrical position feedback and integrated on‑board electronics (OBE). Dual inductive position transducers (pilot -
4WRTE35 A1 Pilot‑Operated Directional Control Valve
±...BOKIN 4WRTE35 A1 is a pilot‑operated 4/3‑way directional control valve with electrical position feedback and integrated on‑board electronics (OBE). Dual inductive position transducers (pilot + main -
4WRTE Series Pilot‑Operated Proportional Directional Valv...BOKIN 4WRTE‑series are pilot‑operated 4/3‑way proportional directional valves featuring integrated on‑board electronics (OBE) and dual inductive electrical position feedback (pilot + main spool).
Featured Product Models
Select the exact configuration for your system, and click to view full details for each model.
| Model | Control Type | Nominal Size | Max Flow | Key Feature | Quick Action |
|---|---|---|---|---|---|
| 4WRTE10 A1 | ±10V Voltage | NG10 | 170 L/min | <20ms ultra-fast response, compact size | |
| 4WRTE10 F1 | 4–20mA Current | NG10 | 170 L/min | High noise immunity, long-distance transmission | |
| 4WRTE16 A1 | ±10V Voltage | NG16 | 460 L/min | Pressure compensated, high repeatability | |
| 4WRTE16 F1 | 4–20mA Current | NG16 | 460 L/min | Strong anti-interference, heavy-duty use | |
| 4WRTE25 A1 | ±10V Voltage | NG25 | 870 L/min | Medium-large flow, blow molding optimized | |
| 4WRTE25 F1 | 4–20mA Current | NG25 | 870 L/min | Stable flow output, high-cycle production | |
| 4WRTE27 A1 | ±10V Voltage | NG27 | 1000 L/min | Medium-large flow, blow molding optimized | |
| 4WRTE27 F1 | 4–20mA Current | NG27 | 1000 L/min | Stable flow output, high-cycle production | |
| 4WRTE32 A1 | ±10V Voltage | NG32 | 1600 L/min | Large flow, heavy-duty high-cycle use | |
| 4WRTE32 F1 | 4–20mA Current | NG32 | 1600 L/min | Anti-interference, industrial long-distance control | |
| 4WRTE35 A1 | ±10V Voltage | NG35 | 3000 L/min | Extra large flow, high-power hydraulic systems | |
| 4WRTE35 F1 | 4–20mA Current | NG35 | 3000 L/min | Heavy-duty industrial grade, reliable performance |
Not sure which model fits? Send us your working pressure, flow rate and application, and our engineers will recommend the optimal configuration within 24 hours.
Core Advantages of 4WRTE Series
1.Rexroth-Compatible Mounting & Interfaces
Manufactured strictly to ISO 4401 standard mounting dimensions, with identical port positions and K31 electrical pin assignments to equivalent Rexroth 4WRTE valves. Direct drop-in installation requires no manifold modification, rewiring or circuit redesign, greatly reducing retrofit downtime and project costs.
2. Ultra-Fast Response with Pressure Compensation
Equipped with high-sensitivity pilot stage drive and advanced OBE electronics, the valve delivers dynamic response as fast as 20 ms. The built-in automatic pressure compensation mechanism maintains consistent flow output under fluctuating load pressure, ensuring stable actuation speed and highly repeatable process parameters.
3. Flexible Configuration for Diverse High-Speed Scenarios
Multiple spool profiles (E, E1, W6, W8, V, V1), flow characteristics (linear / fine-control) and pilot supply modes are available to match different circuit requirements. Optional spool position monitoring and enable signal interface support closed-loop system integration and safety function upgrades.
4. Reliable Quality & Fast Delivery
Every valve undergoes 100% full performance testing before shipment, backed by a 12-month global quality warranty. Standard models are available for fast delivery within 2–4 weeks, supporting both sample testing and bulk production orders.
Rexroth 4WRTE Cross-Reference Guide
| Corresponding Rexroth Model | BOKIN Equivalent Model | Key Specifications |
|---|---|---|
| 4WRTE 10 E-25L-4X/6EG24K31/A1M | 4WRTE 10 E-25L-4X/6EG24K31/A1M | NG10, 25 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-25L-4X/6EG24EK31/A1M | 4WRTE 10 E-25L-4X/6EG24EK31/A1M | NG10, 25 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-25L-4X/6EG24TK31/A1M | 4WRTE 10 E-25L-4X/6EG24TK31/A1M | NG10, 25 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-25L-4X/6EG24ETK31/A1M | 4WRTE 10 E-25L-4X/6EG24ETK31/A1M | NG10, 25 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-50L-4X/6EG24K31/A1M | 4WRTE 10 E-50L-4X/6EG24K31/A1M | NG10, 50 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-50L-4X/6EG24EK31/A1M | 4WRTE 10 E-50L-4X/6EG24EK31/A1M | NG10, 50 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-50L-4X/6EG24TK31/A1M | 4WRTE 10 E-50L-4X/6EG24TK31/A1M | NG10, 50 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-50L-4X/6EG24ETK31/A1M | 4WRTE 10 E-50L-4X/6EG24ETK31/A1M | NG10, 50 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-100L-4X/6EG24K31/A1M | 4WRTE 10 E-100L-4X/6EG24K31/A1M | NG10, 100 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-100L-4X/6EG24EK31/A1M | 4WRTE 10 E-100L-4X/6EG24EK31/A1M | NG10, 100 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-100L-4X/6EG24EK31/A1M | 4WRTE 10 E-100L-4X/6EG24EK31/A1M | NG10, 100 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-100L-4X/6EG24TK31/A1M | 4WRTE 10 E-100L-4X/6EG24TK31/A1M | NG10, 100 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 10 E-100L-4X/6EG24ETK31/A1M | 4WRTE 10 E-100L-4X/6EG24ETK31/A1M | NG10, 100 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-150L-4X/6EG24K31/A1M | 4WRTE 16 E-150L-4X/6EG24K31/A1M | NG16, 150 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-150L-4X/6EG24EK31/A1M | 4WRTE 16 E-150L-4X/6EG24EK31/A1M | NG16, 150 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-150L-4X/6EG24TK31/A1M | 4WRTE 16 E-150L-4X/6EG24TK31/A1M | NG16, 150 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-150L-4X/6EG24ETK31/A1M | 4WRTE 16 E-150L-4X/6EG24ETK31/A1M | NG16, 150 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-220L-4X/6EG24K31/A1M | 4WRTE 16 E-220L-4X/6EG24K31/A1M | NG16, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-220L-4X/6EG24EK31/A1M | 4WRTE 16 E-220L-4X/6EG24EK31/A1M | NG16, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-220L-4X/6EG24TK31/A1M | 4WRTE 16 E-220L-4X/6EG24TK31/A1M | NG16, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 16 E-220L-4X/6EG24ETK31/A1M | 4WRTE 16 E-220L-4X/6EG24ETK31/A1M | NG16, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-220L-4X/6EG24K31/A1M | 4WRTE 25 E-220L-4X/6EG24K31/A1M | NG25, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-220L-4X/6EG24EK31/A1M | 4WRTE 25 E-220L-4X/6EG24EK31/A1M | NG25, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-220L-4X/6EG24TK31/A1M | 4WRTE 25 E-220L-4X/6EG24TK31/A1M | NG25, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-220L-4X/6EG24ETK31/A1M | 4WRTE 25 E-220L-4X/6EG24ETK31/A1M | NG25, 220 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-350L-4X/6EG24K31/A1M | 4WRTE 25 E-350L-4X/6EG24K31/A1M | NG25, 350 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-350L-4X/6EG24EK31/A1M | 4WRTE 25 E-350L-4X/6EG24EK31/A1M | NG25, 350 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-350L-4X/6EG24TK31/A1M | 4WRTE 25 E-350L-4X/6EG24TK31/A1M | NG25, 350 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 25 E-350L-4X/6EG24ETK31/A1M | 4WRTE 25 E-350L-4X/6EG24ETK31/A1M | NG25, 350 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 27 E-500L-4X/6EG24K31/A1M | 4WRTE 27 E-500L-4X/6EG24K31/A1M | NG27, 500 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 27 E-500L-4X/6EG24EK31/A1M | 4WRTE 27 E-500L-4X/6EG24EK31/A1M | NG27, 500 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 27 E-500L-4X/6EG24TK31/A1M | 4WRTE 27 E-500L-4X/6EG24TK31/A1M | NG27, 500 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 27 E-500L-4X/6EG24ETK31/A1M | 4WRTE 27 E-500L-4X/6EG24ETK31/A1M | NG27, 500 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-400L-4X/6EG24K31/A1M | 4WRTE 32 E-400L-4X/6EG24K31/A1M | NG32, 400 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-400L-4X/6EG24EK31/A1M | 4WRTE 32 E-400L-4X/6EG24EK31/A1M | NG32, 400 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-400L-4X/6EG24TK31/A1M | 4WRTE 32 E-400L-4X/6EG24TK31/A1M | NG32, 400 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-400L-4X/6EG24ETK31/A1M | 4WRTE 32 E-400L-4X/6EG24ETK31/A1M | NG32, 400 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-600L-4X/6EG24K31/A1M | 4WRTE 32 E-600L-4X/6EG24K31/A1M | NG32, 600 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-600L-4X/6EG24EK31/A1M | 4WRTE 32 E-600L-4X/6EG24EK31/A1M | NG32, 600 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-600L-4X/6EG24TK31/A1M | 4WRTE 32 E-600L-4X/6EG24TK31/A1M | NG32, 600 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 32 E-600L-4X/6EG24ETK31/A1M | 4WRTE 32 E-600L-4X/6EG24ETK31/A1M | NG32, 600 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 35 E-1000L-4X/6EG24K31/A1M | 4WRTE 35 E-1000L-4X/6EG24K31/A1M | NG35, 1000 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 35 E-1000L-4X/6EG24EK31/A1M | 4WRTE 35 E-1000L-4X/6EG24EK31/A1M | NG35, 1000 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 35 E-1000L-4X/6EG24TK31/A1M | 4WRTE 35 E-1000L-4X/6EG24TK31/A1M | NG35, 1000 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
| 4WRTE 35 E-1000L-4X/6EG24ETK31/A1M | 4WRTE 35 E-1000L-4X/6EG24ETK31/A1M | NG35, 1000 L/min, ±10V, external pilot & drain, NBR seals, linear flow |
Note: This cross-reference table is for configuration reference only. BOKIN valves are independently developed and manufactured products. Please confirm full model specifications with our team before installation to ensure compatibility.
Typical Applications of 4WRTE Valves




OEM & Customization Support
We provide flexible OEM and customization services for global distributors, system integrators and equipment manufacturers:
- Custom spool flow characteristics and special circuit designs
- Custom control interfaces and electrical connector types
- Private label logo and nameplate printing
- Custom packaging and product labeling
MOQ for custom branding is flexible. Contact our sales team for detailed OEM cooperation solutions.
Quality & Certification
All BOKIN proportional valves are manufactured under strict process control and fully tested before shipment. Our products hold CE verification in compliance with relevant European directives and standards.
- Certificate No.: ICR/VC/HM2601135
- Standard: MD 2006/42/EC, EN ISO 12100:2010
- Valid until: January 15, 2031

FAQ
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Send us your required model, quantity and application details, and our hydraulic specialists will get back to you within 24 hours with a formal quotation and professional recommendations.
Bokin Electro-Hydraulic Technology (Foshan) Co., Ltd. is one of the most experienced 4wrte manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy bulk advanced 4wrte in stock here from our factory. Contact us for pricelist and customized service.
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