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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
Oct 09
Valve interlock start key release is based on key detection and compressor inputs

Valve interlock key panel for SBM releases start key based on key detection and compressor input

  • 9 October 2017
  • Safe valve operation

SBM reaches new levels of pigging safety using valve interlocks managed by a sequence control panel. This electronic panel manages start key release, based on compressor input signals and key detection.

FPSO

From the construction of FPSO ‘Cidade de Ilhabella’ three years ago, SBM implements Netherlocks interlocks and an electronic sequence control panel. Sofis recently upgraded their control panel to their current process requirements.

Release of start keys based on external inputs

To avoid any interference between operations of three adjacent pigging vessels, a sequence control panel manages the release of three start keys. This panel receives high/low input from the connected compressor and detects the presence of the start keys. It only releases a start key when the other two keys are present in the panel and the compressor signal is low.

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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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