Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
                                                                                                           
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German Original Moog Servo Valve with 1800-3000 RPM Rotation Speed Pressure Compensator Control for LED Touch Applications

Price Negotiable
Price: 2
MOQ: 1
Delivery Time: 2 weeks
Brand: MOOG
Product Description
MOOG Electro-Hydraulic Servo Valve

D634Z395C D634Z505A D634Z509 D634Z510 D634Z549A D633E703 D633E704 D633E713A D633E714A D633E7365

Product Specifications
Parameter Value Parameter Value
Rated Current 1A Voltage 24V/220V
Power 0.1 kW Brand MOOG/Muge
Place of Origin Germany Application LED touch control
Rated Frequency 50 Hz Type Servo proportional valve
Control Electro hydraulic/Proportional Material Advanced alloy steel/cast iron, PVC, Steel, copper
Contact WhatsApp: +85267220981
MOOG electro-hydraulic servo valve product image
Compatible Models

D661-1925E P80HDAAFNVB0 and other D661 series models including:

  • D661-1926E to D661-1966E
  • D661-20*** to D661-386A
  • D661-393D to D661-4085
Technical Information
Common Failures and Diagnosis
Torque Motor Issues:
  • Broken Coils: Result in no current, valve does not respond
  • Contamination in Air Gap: Causes the armature to stick
  • Loose Fasteners or Worn Parts: Can lead to increased null bias or instability
Nozzle/Flapper Stage Issues:
  • Clogged Nozzles or Orifices: Often caused by oil contamination
Spool Amplifier Stage Issues:
  • Spool Sticking: Caused by contaminated oil or deformed spool
  • Cutting Edge Wear: Increases internal leakage and reduces stability
System-Level Symptoms
  • Cylinder Refusal to Move
  • Uncontrolled Valve Movement
  • Cylinder Oscillation ("Cylinder Hunting")
  • High Cylinder Lag
Maintenance Recommendations
  • Oil Filtration: Use high-quality filters and adhere to strict oil analysis schedule
  • System Design: Minimize dead spots where contaminants can accumulate
  • Regular Inspection: Check for leaks, unusual noises, or performance changes
  • Preventive Maintenance: Follow manufacturer's recommended intervals
Purchasing and Services
Custom Solutions:

MOOG can provide custom solutions and modify product components to meet specific requirements.

Documentation:

Detailed test reports are provided with new valves or after professional repair, verifying performance specifications including:

  • Flow Characteristics
  • Null Bias and Hysteresis
  • Internal Leakage
  • Frequency Response
Technical Support:

Contact MOOG or authorized distributors worldwide. Provide complete valve model number (e.g., G761-3003B) for accurate assistance.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
Location Nan'an, Fujian Province, China
Contact Person liyun

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