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China factory - Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

  • China ,Fujian
  • Verified Supplier
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  3. Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc
China Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc
China Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc

  1. China Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc
  2. China Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc

Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc

  1. MOQ： 1
  2. Price： 2
  3. Get Latest Price
Certifiion ISO
Payment Terms MoneyGram,Western Union,T/T,D/P,D/A,L/C
Supply Ability 30
Delivery Time 2 weeks
Packaging Details wooden box
Pressure Rating Up to 350 bar
Type Axial Piston Pump
Rotation Clockwise or Counterclockwise
Warranty 1 year
Model Hydraulic Pump
Transport Package Wooden Box
Size 290*180mm
Control Type Pressure Compensated, Load Sensing, or Proportional
Displacement Up to 1000 cc/rev
Function Open and closed circuits
Brand Name MOOG
Model Number D061-8312 N122-001 D634-1035 D641-230 122-105 D631-294
Place of Origin Germany

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  1. Product Details
  2. Company Details

Product Specification

Certifiion ISO Payment Terms MoneyGram,Western Union,T/T,D/P,D/A,L/C
Supply Ability 30 Delivery Time 2 weeks
Packaging Details wooden box Pressure Rating Up to 350 bar
Type Axial Piston Pump Rotation Clockwise or Counterclockwise
Warranty 1 year Model Hydraulic Pump
Transport Package Wooden Box Size 290*180mm
Control Type Pressure Compensated, Load Sensing, or Proportional Displacement Up to 1000 cc/rev
Function Open and closed circuits Brand Name MOOG
Model Number D061-8312 N122-001 D634-1035 D641-230 122-105 D631-294 Place of Origin Germany
High Light 290*180mm Moog Servo Valve ，1000 cc/rev Electro-Hydraulic Servo Valve ，Pressure Compensated Hydraulic Servo Valve
MOOG Imported Original Hydraulic Servo Electro-Hydraulic Valve
Product Models

D061-8312 N122-001
D634-1035 D641-230
122-105 D631-294

Product Specifiions
Specifiion Value
Nominal Diameter 25cm
Quantity 88 units
Custom Processing Yes
Imported Yes
Packing Specifiion 31
Material Cast Iron
Place of Origin Germany
Functional Purpose Building Materials Industry
egory 1
Color Blue
Packaging Boxed
Operating Temperature 36°C
Dimensions 30*40*70
Type Valve
Material Composition Steel Structure
MOOG Hydraulic Servo Electro-Hydraulic Valve
Compatible Models

D633-465B
D633-471B
D633-472B
D633-473B
D633-474B
D633-481B
D633-482B
D633-483B
D633-485B
D633-487B
D633-490B
D633-491B
D633-492B
D633-493B
D633-494B
D633-495B
D633-496B
D633-497B
D633-498B
D633-499B
D633-500B
D633-501B
D633-502B
D633-503B
D633-504B
D633-507B
D633-508B
D633-509B
D633-511B
D633-512B
D633-513B
D633-514B
D633-515B
D633-516B
D633-517B
D633-518B
D633-520B
D633-521B
D633-523B
D633-524B
D633-525B
D633-526B
D633-531B
D633-533B
D633-534B
D633-536B
D633-537B
D633-538B
D633-540B
D633-541B
D633-542B
D633-543B
D633-544B
D633-545B
D633-546B
D633-547B
D633-548B
D633-549B
D633-550B
D633-552B
D633-553B
D633-554B
D633-555B
D633-556B
D633-558B
D633-559B
D633-561B
D633-562B
D633-563B
D633-564B
D633-565B
D633-566B
D633-568B
D633-569B
D633-571B
D633-572B
D633-573B
D633-576B
D633-577B
D633-578B
D633-580B
D633-581B
D633-582B
D633-583B
D633-584B
D633-591B
D633-592B
D633-593B
D633-594B
D633-595B
D633-596B
D633-597B
D633-598B
D633-599B
D633-602B
D633-603B
D633-604B
D633-605B
D633-606B
D633-607B
D633-608B
D633-610B
D633-611
D633-612
D633-613
D633-615
D633-616
D633-617
D633-618
D633-619
D633-620
D633-621
D633-622
D633-623
D633-624

Technical FAQ
Key Features
  • High precision: Control accuracy up to ~0.1%
  • Fast dynamic response: Responds within milliseconds
  • Programmability: Customizable control algorithms via embedded electronics
  • Robustness: Operates in harsh environments (-20°C to 80°C) and resists contamination
  • Fail-safe function: Automatic shutdown during power loss or failure
Common Failure Modes
  • Torque motor issues:
    • Coil breakage (valve fails to respond)
    • Armature sticking or ball head wear (causing instability)
  • Nozzle/flapper blockages: Clogging from oil contamination reduces response and causes system oscillation
  • Spool amplifier problems:
    • Edge wear (increases leakage and noise)
    • Spool sticking due to contaminated or degraded oil
  • Seal aging: Leads to internal/external leakage
Maintenance Guidelines
  • Oil quality management: Use recommended fluids (e.g., phosphate ester fire-resistant oil) and maintain cleanliness per NAS 1638 Class 5 standards. Regularly check acidity and resistivity
  • Routine inspections: Test for electrical issues (e.g., coil resistance), clean filters, and check for loose components
  • Pre-startup checks: Ensure oil circulation before powering the valve to prevent clogging
Troubleshooting
  • For unstable operation (e.g., cylinder drift or oscillation):
    • Check servo valve resolution and zero zone stability
    • Inspect for internal leakage or spool wear
    • Verify control system parameters and calibrate zero bias if needed
  • If valve doesn't move:
    • Confirm electrical signals and coil connectivity
    • Check for spool sticking caused by debris in oil
    • Ensure correct startup sequence: oil flow before electrical power
Customization Options

Models like the D636/D637 series support fieldbus interfaces and programmable electronics for appliion-specific tuning.

Technical Specifiions
  • Operating pressure: Up to 350 bar
  • Flow rate: 5-100 L/min (at Δp 35 bar)
  • Voltage/current: Typically 220V, 1.5A
  • Mounting: Complies with ISO 4401 standards
Reliability Recommendations
  • Use high-quality filters and maintain oil cleanliness
  • Avoid prolonged operation beyond rated temperatures
  • Schedule periodic professional servicing
Common Appliions

Aviation, aerospace, steel mills, power generation, and industrial automation.

For specific model details (e.g., G761-3004B or D661 series), refer to technical datasheets or contact authorized suppliers.

WhatsApp: +85267220981

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Total Annual:

    1 million-10 millon

  • Employee Number:

    >50

  • Ecer Certification：

    Verified Supplier

Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...

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Get in touch with us

  • Reach Us
  • Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
  • Nan'an, Fujian Province, China
  • https://www.electrichydpump.com/

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