Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of moog g631-3006b in China. We warmly welcome you to wholesale bulk moog g631-3006b 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. aims to be a trusted global partner for original hydraulic components, offering reliable products, practical technical support, and efficient service that helps customers choose and purchase with confidence.
Why Choose Yanhui Hydraulic?
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- Supply of original brand-new MOOG servo valves only
- Wide inventory covering MOOG, Rexroth, Parker, ATOS, Yuken and more
- Professional technical support for model selection and replacement
- Strict quality control and part number verification
- Fast response and global shipping capability
- Experience serving industrial customers across multiple industries
Product Overview
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The MOOG G631-3006B is a two-stage electrohydraulic servo valve with a mechanical feedback design. It converts electrical input signals into precise hydraulic output, enabling accurate motion control of hydraulic actuators.
Key Advantages
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- High-precision spool and sleeve assembly
- Low hysteresis and excellent linearity
- Stable control even under variable load conditions
- Designed for long operational life with minimal drift
Technical Specifications
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| Parameter | Specification |
|---|---|
| Model | MOOG G631-3006B |
| Valve Type | Electrohydraulic Servo Valve |
| Series | G631 |
| Stages | Two-stage |
| Rated Flow | 40 L/min (at Δp = 70 bar) |
| Rated Pressure | Up to 315 bar |
| Control Signal | ±10 V or ±40 mA (depending on configuration) |
| Mounting Interface | ISO 4401 / CETOP 5 |
| Spool Type | Zero-lapped |
| Hydraulic Fluid | Mineral oil (ISO VG 32 recommended) |
| Filtration Requirement | ISO 4406: 16/14/11 or better |
| Operating Temperature | -20 °C to +60 °C |
| Typical Applications | Position, speed, force control systems |
Applications
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- Hydraulic test benches and simulation systems
- Injection molding machines
- Die casting equipment
- Aerospace and aviation test systems
- Metallurgical and steel rolling equipment
- Vibration and fatigue testing systems
- Precision positioning systems
Related Models
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If MOOG G631-3006B is unavailable or if system requirements differ, the following related models may be suitable alternatives:
- MOOG G631-3005B
- MOOG G631-3007B
- MOOG G631-3012B
- MOOG G631-3008A
- MOOG G633 series (higher flow versions)
FAQ
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Q: What is the main difference between a servo valve and a proportional valve?
Servo valves like G631-3006B offer faster response, higher accuracy, and better repeatability than proportional valves, making them suitable for precision control applications.
Q: Is MOOG G631-3006B suitable for retrofit or replacement?
Yes. It is commonly used as a direct replacement for other G631 series valves with matching flow and signal specifications.
Q: What filtration level is required?
MOOG recommends fine filtration, typically ISO 4406 16/13 or cleaner, to ensure optimal performance and extended service life.
Q: Can Yanhui Hydraulic supply original MOOG products?
Yes. We only supply original, genuine MOOG hydraulic components with verified part numbers.
Q: How do I confirm compatibility with my system?
You should verify flow rate, control signal, mounting interface, and pressure requirements. Our technical team can assist in selection.
Q: Do you provide technical support before purchase?
Yes. We assist customers in confirming model selection, compatibility, and application suitability before ordering.
Contact Us
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To explore different models or inquire about specifications, please feel free to contact Yanhui Hydraulic. We're committed to ensuring your hydraulic systems operate at their peak performance.




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