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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
Jul 10
Operators on-site of a process industry facility

Sofis turnaround support prevents incidents and exceeding downtime by timely identifying and solving issues

A special material solutions provider based in The Netherlands recently decided to employ Sofis engineers, to physically inspect all valve interlocks prior to a planned maintenance shutdown. Their intention: identifying hidden issues and affected interlock systems, also outside of the official turnaround scope. Timely identification of issues and defects allowed... read more →
  • 10 July 2024
  • News, Safe valve operation
Jun 25

How captive key systems contribute to process safety in the hydrogen industry

The captive key concept can significantly contribute to the hydrogen industry in various ways. Captive key systems ensure that operators adhere to a safe sequence of operation.They are permanently mounted on top of valves and other process equipment. In the context of hydrogen production, storage, and distribution, safety is paramount... read more →
  • 25 June 2024
  • Safe valve operation
Jun 24

Sofis enhances process safety on South Pailin Central Processing Platform (CTEP) with valve interlocking systems

Recently, Sofis provided valve interlocking systems to guarantee safe manual valve operations on mercury recovery applications and valve changeover lines. The installation of valve interlocking systems is part of the multi-faceted approach to process safety of the South Pailin project, which includes rigorous risk assessments, robust design and operational controls,... read more →
  • 24 June 2024
  • Customer stories, News, Safe valve operation
Jun 24
Semiconductor production facility

Sofis helps semiconductor fabrication plant overcome access issues in their airflow system

In high-tech manufacturing, even the smallest components can be crucial in ensuring optimal performance and productivity. A semiconductor fabrication plant faced a significant challenge with the dampers in their airflow system, installed at heights with limited access. Regular adjustments to these dampers were necessary to control flow rates, but conventional... read more →
  • 24 June 2024
  • Customer stories, News, Remote manual valve operation
Jun 11
CO2 protection system for fire extinguisher

Wholesaler of organic foods ensures employee safety from CO2 asphyxiation

A leading wholesaler of organic foods, natural personal care products, and sustainable non-food items, took significant steps to enhance the safety of their employees working in their automated sorting center. Faced with safety challenges with their CO2 fire extinction system, the company implemented an innovative Sofis solution to prevent personnel... read more →
  • 11 June 2024
  • Customer stories, Safe valve operation
May 22
Compromised key management system

The impact of captive key management on process safety

Valve interlocks, or captive keys, employ locks that prevent the movement of valves and unique keys. Keys will only be released according to a desired valve operating sequence, preventing operators from operating valves incorrectly. The suggested Probability of Failure on Demand (PFD) for captive key systems is 0.01. Other valve... read more →
  • 22 May 2024
  • Safe valve operation
May 15
Covestro industrial facility

Covestro uses FlexiDrive to guarantee safe operation of hard-to-reach gear operated butterfly valves inside a production area

Covestro, a leading manufacturer of polymer materials, has recently decided to install FlexiDrive remote operators to safely operate manual gate valves in one of their production areas. The gate valves can now be comfortably operated from a safe distance, on a single service station. Largest site in Germany Covestro's innovative... read more →
  • 15 May 2024
  • Remote manual valve operation
Jan 25
Sofis safety solutions for the chemical industry

Safety solutions for the chemical industry

Chemical plants manufacture or process chemicals using specialized equipment, units, and technology in the manufacturing process. Other kinds of plants, such as polymer, pharmaceutical, food, and some beverage production facilities, power plants, oil refineries, natural gas processing, and biochemical plants, use many technologies that have similarities to chemical plant technology... read more →
  • 25 January 2024
  • Fast manual valve operation, Safe valve operation, Valve position monitoring
Jan 24
Smith valve interlocks

Valve solutions that lead by example

This article has been issued in "Inside Oil And Gas Magazine": Sofis - Inside Oil & Gas (insideoilandgas.com) Sofis is the leader in creating smart valve solutions, such as mechanical valve interlocks, portable actuators and valve position indicators in combination with specialised services, for the energy, chemical, power and water... read more →
  • 24 January 2024
  • Company, News
Dec 21
INS Vikrant

Sofis FlexiDrive allows remote operation of duct valves onboard INS Vikrant of Indian Navy

Sofis recently supplied FlexiDrive remote valve operators to the INS Vikrant, India’s first indigenously built aircraft carrier. 262 meters long and 62 meters wide, it is the largest warship ever built in India’s maritime history. The remote valve operators are part of the ship's HVAC system. This system was supplied... read more →
  • 21 December 2023
  • Customer stories, News, Remote manual valve operation
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About us

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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