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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
Cesar Perez

Introducing Cesar Perez; Service Technician for the Americas

To help guide the rapid expansion of Sofis in the Americas, Cesar Perez has joined Sofis since August 2022. As a Service Technician, he is responsible for precisely installing and... read more →
  • 15 May 2023
  • Company, News, Safe valve operation
Pi being loaded during pipeline pigging

How to guarantee process safety in pigging operations?

Pipeline pigging is a high risk event with people involved on the spot. At the same time, safe operation depends on these people. Essential process Pigging procedures are used in... read more →
  • 27 March 2023
  • Safe valve operation
Smith valve interlocks

How do you ensure process and operator safety?

The ageing of oil and gas production platforms, pipelines, refineries, and petrochemical plants can pose a range of challenges and risks. Equipment and infrastructure that are past their design life... read more →
  • 8 March 2023
  • Fast manual valve operation, Safe valve operation

How can profitability and safety go hand-in-hand?

Profitability and safety are often interconnected in the long run. Businesses that prioritize safety can create a safer work environment for their employees, which can result in reduced accidents and... read more →
  • 8 March 2023
  • Safe valve operation
Sofis solutions for the energy transition

Sofis for the energy transition

Sofis provide valve interlocks and portable actuators used in next generation energy infrastructure. We ensure that valves are operated correctly, preventing accidents and protecting the planet. Green hydrogen Protecting critical... read more →
  • 24 October 2022
  • Fast manual valve operation, Remote manual valve operation, Safe valve operation, Valve position monitoring
Key cabinet for valve interlock keys

New Sofis Smart key management model comes with HMI and built-in software to help improve operations

Valve interlocks improve process safety, but challenges may arise through the poor use and lack of operational knowledge of interlocks. Time lost searching for missing keys or taking the wrong... read more →
  • 19 July 2022
  • Safe valve operation
Lower fars project

Sofis successfully executes three major projects with a leading EPC contractor, supplying more than 8.560 mechanical interlocks

Over a period of 4 years, Sofis has successfully executed three major projects with an international EPC contractor for an end-user in Kuwait, delivering all three projects within the project... read more →
  • 28 June 2021
  • Customer stories, News, Safe valve operation
Key management system for process interlocking

Evolution in valve interlocks towards integration

Interview with Stephan Sadowski (Head of Business Development) for Valve World, May 2021 edition, page 38-39. Valve interlocks have evolved over the years, from mechanical, stand-alone devices to integrated electrical,... read more →
  • 1 June 2021
  • News, Safe valve operation, Valve position monitoring
Key cabinet for valve interlock keys

Integrating electronics into mechanical valve interlocks

Mechanical valve interlocks guarantee strict adherence to procedure and thus avoid human error. They are particularly useful for operations that are generally recognized as highly dangerous, such as pigging. Valve interlocks... read more →
  • 21 December 2020
  • Safe valve operation
Service engineers installing valve interlocks

The #10 factors that determine a successful installation of valve interlocks

Mounting a single valve interlock is relatively easy from a technical point of view. However, when installing large quantities of interlocking systems for a single project, the execution of such... read more →
  • 28 November 2020
  • Safe 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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