MOOG G631-3006B

MOOG G631-3006B

MOOG G631-3006B is a high-performance electrohydraulic servo valve designed for precise control of flow, pressure, and position in demanding industrial applications. As part of the MOOG G631 series, this model is widely recognized for its high dynamic response, excellent repeatability, and long service life. It is commonly used in closed-loop control systems where accuracy, stability, and reliability are critical.
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Description

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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