Manufacturer of Turbine Components
Manufactures various types of steam turbines ranging from 5MW - 50MW,including condensing, backpressure, and extraction-condensing designs
DDV Valve
The DDV valve is a direct-drive electro-hydraulic servo valve introduced by MOOG.
Category:
Electrohydraulic Converter
key word:
Product Introduction
The DDV valve is a direct-drive electro-hydraulic servo valve introduced by MOOG.
I. Working Principle
The DDV valve operates with a relatively simple and efficient mechanism. When an electrical signal is input to the servo valve, its internal electromagnetic assembly generates displacement proportional to the input signal, directly controlling the valve's opening and closing. This design provides the DDV Valve with significant advantages over traditional servo valves in response time and control precision.
II. Core Components
The core components of the DDV Valve primarily include the valve seat, spool, spring, and solenoid coil. The spool is a cylindrical rod that moves axially along the valve body to open or close the valve. The solenoid coil receives electrical signals to generate a magnetic field, driving the spool's motion.
III. Key Features
1. High-Energy Permanent Magnet Linear Actuator: Integrated amplifier delivers powerful driving force for direct control of spool valves.
2. Superior Contamination Resistance: Eliminates nozzle-flap type hydraulic amplifiers, greatly enhancing contamination tolerance and operational reliability.
3. High Control Precision: Features high resolution and low hysteresis, enabling high-accuracy control.
4. Strong Adaptability: Dynamic performance is independent of supply pressure, making it suitable for electro-hydraulic control systems with varying oil source pressures.
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A production-oriented enterprise specializing in the processing, production, and research and development of steam turbine components