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Moog Fast Control High Flow Efficiency Wide Operating Range
Servo Valve D661-4651
Competitive Brands
Rexroth, Hagglunds, Aventics, Danfoss, Parker, Moog, Sunhydraforce, Hawe, Vickers, Siemens, Skf and other European and American brands.
Products
Plunger pump, Solenoid valve, Gear pump, Vane pump, Direction valve, Servo valve, Proportional valve, Servo motor
Details
| Brand | Moog |
| Model | D661-4651 |
| Color | Grey And Blue |
| Material | Cast Iron |
| Power Source | Electric |
| Place Of Origin | America |
Advantages
High Response Speed
Utilizes ServoJet® pilot valve technology, achieving an undamped natural frequency of 500Hz with a step response time of only 6.5-18ms.
Fast Control
The servo-jet tube pilot stage provides extremely high pressure efficiency (>80%), enabling rapid main valve spool action.
Precision Manufacturing Process
The valve spool slides within a hardened steel sleeve, achieving higher precision compared to traditional cast iron valve bodies.
Low Internal Leakage
Precision fit reduces leakage and improves control accuracy.
High Repeatability
Optimized pilot stage design ensures excellent valve spool position repeatability.
Mature Technology
The servo-jet tube pilot stage has over ten years of reliable application history in Moog valves.
Strong Anti-Contamination Capability
Nominal pilot stage clearance >200μm, near-infinite filter life.
Quality Certification
ISO compliant. ISO 9001 Quality Management System Certification
High Flow Efficiency
Over 90% of pilot flow is effectively utilized.
Low Power Consumption
Low energy consumption when the valve core is in the neutral position; energy saving is even more significant in multi-valve systems.
Low Pilot Pressure
Only 2.5MPa control pressure is required, suitable for low-pressure systems.
Built-In Electronic Unit
24VDC integrated electronic components using SMD technology.
Compact Structure
Compliant with ISO 4401 Specification 05 (NG10) standard.
High Protection Rating
IP65 protection rating, suitable for harsh environments.
Multiple Fail-Safe Options
Spring centering, valve seat, external hydraulic pressure cut-off, etc.
Customization Possible
Flow characteristics can be customized according to customer requirements.
Wide Operating Range
Supports various sealing materials and working media.
Application Areas
Industrial Automation
Automated production lines, CNC machine tools, robotic hydraulic systems. Applications requiring precise positioning and rapid response.
Plastics And Die Casting Machinery
Injection molding machines, blow molding machines, die casting machines; precise control of mold closing, injection, and pressure holding processes.
Heavy Industry
Pressure processing machinery, heavy industrial equipment, metallurgical equipment; high pressure and high flow control capabilities.
Paper Industry
Paper tension control, winding control, press control, cutting and positioning.
Aerospace And Automotive
Flight control systems, propulsion systems.
Automotive Manufacturing
Hydraulic brake testing, power steering systems.
Energy And Power
Low-voltage system applicability allows for use in energy equipment such as steam turbines; test benches with high dynamic response requirements.
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