Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of moog electro hydraulic valve d661 in China. We warmly welcome you to wholesale bulk moog electro hydraulic valve d661 for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Yanhui Hydraulic Co., Ltd. is a leading distributor of original hydraulic components, serving global customers with top-quality pumps, valves, motors, and parts. We collaborate with major brands, including Moog, HAWE, Eaton, and NACHI, to offer authentic solutions for industrial, mobile, and aerospace applications. Our mission is to provide a one-stop hydraulic supply platform that guarantees product quality, fast delivery, and expert consultation.
Why Choose Yanhui Hydraulic?
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- 100% Original Moog products with 1 year warranty
- Technical support from experienced hydraulic engineers
- Fast shipping and reliable delivery worldwide
- Guidance for proper product selection and system integration
- Long-term partnership with after-sales support
Product Overview
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The D661 electro hydraulic valve combines advanced Moog technology with robust construction to provide accurate flow and pressure control. Featuring low hysteresis, high repeatability, and smooth operation, this valve is engineered to optimize system performance in critical applications. Its compact design allows for easy installation, while its modularity ensures compatibility with a wide range of hydraulic systems.
Key Advantages
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- High durability for long-term service in demanding hydraulic systems
- Smooth and precise operation with minimal hysteresis
- Compact and modular design for flexible installation
- Fast response time for accurate control
- Energy-efficient operation with low internal leakage
- Compatible with a wide range of hydraulic fluids
- Optimized for both industrial and mobile applications
Technical Specifications
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| Parameter | Specification |
|---|---|
| Model | D661 |
| Type | Electro Hydraulic Proportional Valve |
| Flow Range | Up to 60 L/min (varies by configuration) |
| Maximum Pressure | 350 bar |
| Control Voltage | 0–10 V DC or 4–20 mA |
| Hysteresis | < 1% |
| Response Time | < 20 ms |
| Temperature Range | -20°C to 80°C |
| Weight | Approximately 5 kg |
| Mounting | Subplate or manifold |
| Materials | High-strength steel and aluminum alloy |
Applications
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- Industrial automation machinery
- Aerospace and flight simulators
- Mobile construction and agricultural equipment
- Marine and offshore hydraulic systems
- Test rigs and simulation systems
Related Models
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- Moog D661-1010
- Moog D661-1020
- Moog D661-1030
- Moog D661-2010
- Moog D661-2020
These variants offer different flow rates, voltage inputs, and mounting options to suit specific industrial or mobile applications.
FAQ
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Q1: Is the Moog D661 valve compatible with all hydraulic fluids?
A1: The D661 is compatible with most standard hydraulic fluids, including mineral oils and synthetic fluids. Always check fluid specifications to ensure compatibility.
Q2: How do I choose the right D661 model for my system?
A2: Select based on required flow rate, control voltage, pressure rating, and mounting type. Consult the datasheet or contact our technical team for guidance.
Q3: Can I replace my old Moog valve with a D661 directly?
A3: Compatibility depends on the existing system's flow, pressure, and mounting configuration. Our experts at Yanhui Hydraulic can verify direct replacement feasibility.
Q4: How do I maintain the Moog D661 for long-term performance?
A4: Regularly monitor hydraulic fluid cleanliness, check for leaks, and ensure operating conditions stay within manufacturer limits.
Contact Us
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Please send us your required model number, system parameters, or application details. Our experienced team will respond promptly with accurate information and professional support to help you make the right purchasing decision.




Moog Electro Hydraulic Valve SPECIFICATION:
| Usage/Application | Hydraulic |
| Material | Cast Iron |
| Brand | Moog |
| Model Name/Number | D-661 |
| Coil Voltage | 24 VDC |
| Temperature Of Media | High Temperature |
| Color | Sky Blue And Grey |
| Control | Pilot Operated |
| Automation Grade | Automatic |
| Power Source | Electric |
| Voltage | 210 V |
| Frequency | 50 Hz |
| Rated Flow | 20 to 200 l/min (5.3 to 53 gpm) @ ∆p 35 bar (500 psi) per land |
| Maximum Flow | 250 l/min (65 gpm) ISO size 05 (second T-port connected) |
| Maximum Operating Pressure | 350 bar (5,000 psi) |
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