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Sofis valve operation Sofis valve operation
  • Home
  • Products
    • Smith interlocks
    • Netherlocks interlocks
    • Ellis interlocks
    • Key Management System
    • EasiDrive portable actuator
    • Power Wrench portable actuator
    • FlexiDrive remote operator
    • VPI position indicator
    • SiLoC silo loading & unloading
  • Services
  • Solutions
    • Enforce safe valve operation
    • Monitor manual valve positions
    • Operate manual valves quickly
    • Operate manual valves remotely
    • Ensure integrity of critical safety systems
    • Ensure operational efficiency
    • Mitigate effects of human error
  • Applications
  • Industries
  • Customer stories
  • About us
    • Sustainability
    • Certification
    • Sofis: The safest choice
    • Our heritage
    • Vacancies
    • Internships
  • News
    • Download brochures & application notes
    • Sofis Connect newsletter
    • View product videos
  • Contact
Sep 06
Position transmitter for linear manual valves

The most reliable position transmitter for manual gate and globe valves

  • 6 September 2017
  • Valve position monitoring

Market research by Sofis has revealed that many companies apply a self-made or ‘bracket-type’ position transmitter or position indicator to manual multi-rotation valves. This transmitter measures the distance of travel of any moving object and transmits a signal. In practice, these companies often experience serious issues with these kinds of valve position indicator.

Product characteristics

A valve position transmitter should signal a valve’s accurate position. It should also be sufficiently durable to resist harsh weather conditions and influences caused by vibration.

A position transmitter specifically geared to manual linear valves

The VPI position indicator is the ideal position transmitter for tracking the position of manual linear valves. It has been designed to meet industrial application requirements. VPI uses a mechanical counter to convert a valve’s open and closed positions to electronic signals. It is incorporated into a standardised robust enclosure and ensures the accuracy of valve-status signals sent to the control room. The sensor is completely enclosed in the compact and solid body of the valve position indicator. Various switches or sensors can be used, depending on the application and customer-specific requirements. What’s more, the valve position indicator can be equipped with wireless connections to the DCS.

Tested and proven in the field

The VPI position indicator is extensively tested and has proven its reliability in the field. Thousands of VPIs have already been installed in the oil and gas, and petrochemical, industries. It is particularly valued for its accuracy, while its durability and performance in all climates and weather conditions are also appreciated as valuable product characteristics.

 

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Sofis is a manufacturer of valve operation systems such as mechanical valve interlocks, portable actuators and valve position indicators. We are the world’s largest interlock manufacturer, providing bespoke design solutions that protect people and property throughout the world. We create smart valve solutions that improve process and operator safety to protect people and the planet.

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