• Basic Function1: It is an electro – hydraulic pressure – regulating valve control that can accept a 4 – 20 mA pressure demand signal and accurately control the oil pressure, so as to precisely position the single – acting steam turbine governor – valves.
• Key Features5
  • High Accuracy: It has high – precision valve positioning ability, which can accurately convert the electrical current signal into hydraulic pressure, and the accurate and stable steam valve control is beneficial to improving the steam turbine speed and load control, and reducing the system mechanical wear.
  • Enhanced Dynamics: With enhanced dynamic characteristics, it can quickly respond to changes in input signals, and perform very stable pressure control under normal conditions, and can respond in milliseconds to the required valve step changes during system or plant transients.
  • Reliability: Its robust design, including strong actuators, corrosion – resistant materials, single – moving rotary valves, and self – cleaning port designs, makes it suitable for harsh industrial environments, and can also work well in the presence of dirty or contaminated oil.
  • Redundancy: It has redundancy features, which can be configured to accept redundant pressure demand inputs from one or two controllers, or can use the voted healthy signal of the internal oil pressure sensor and the external redundant oil pressure sensor, which is very suitable for critical steam turbine applications where the turbine uptime and availability are very important.
• Technical Specifications2: The operating pressure range is generally 0 to 10 bar (145 to 145 psi), the input signal is 4 – 20 mA DC, and the output pressure is proportional to the input current.
• Application Fields5: It has the characteristics of high reliability, high precision and high efficiency, and can be widely used in power, chemical, petroleum and other fields, and is an ideal choice for steam turbine valve servo systems.

Contact us for more information

Zhejiang Yiwu Beixun Automation Technology Co., Ltd. specializes in industrial automation. We provide global customers with original imported DCS system components, PLC system components, and comprehensive solutions. With the core values of “leading technology, excellent service”, we utilize our rich industry experience and high-quality supply chain resources to become a reliable partner for your equipment upgrade and maintenance.

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Zhejiang Yiwu Beixun Automation Technology Co., Ltd China (Zhejiang) Pilot Free Trade Zone, No. 2 Chunpai Road, Beiyuan Street, Yiwu City, Jinhua City, 7F 7059

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