Servo Valve G771K200A for Power Plant Application – Paiton Power

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Servo Valve G771K200A for Power Plant Application – Paiton Power

Product Introduction

The Servo Valve G771K200A is a core component of DEH systems in Paiton Power plant's supercritical units. Adopting a two-stage double-nozzle flapper design, it converts electrical signals into precise hydraulic output to control steam valves, adapting to sub-bituminous coal combustion and seawater cooling conditions, ensuring stable operation of 615-815MW units.

Product Features

  • Max operating pressure: 350bar, rated flow: 4~57L/min, ambient temperature range: -40℃~+135℃
  • Double-nozzle pilot stage, 115~215Hz frequency response, 17ms step response for high dynamics
  • FKM seals, ISO 10372-02 mounting, 0.86kg lightweight design, vibration resistance of 30g
  • 8~200mA analog interface, mechanical feedback, low hysteresis, strong anti-pollution performance

Applications

  • 控制615/815MW超临界机组的水阀,满足次烟煤燃烧需求
  • Ensures precise load adjustment and DEH system stability under high-pressure steam parameters
  • Adapts to seawater cooling environment, supports long-term reliable operation of GE/MHI turbines
The above is for reference only. For specific details, please contact me via email.

As a professional industrial product manufacturer and trader, YOYIK not only provides core equipment accessories for power stations, steel, and other industries, but also focuses on the development and promotion of environmental protection equipment. The company is committed to green energy solutions. Relying on its strong R&D capabilities, YOYIK continuously optimizes its product structure, reduces energy consumption, improves energy efficiency, and practices corporate social responsibility.Practical actions. YOYIK's products and services are gradually leading the industry towards a more environmentally friendly and efficient future.

Our products include various replacement parts suitable for power plants, as listed below:

#DF-Servo Valve G771K200A-DF

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Servo Valve G771K200A

DFYLCTY-2026-1-13-A

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