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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
Process safety

Visit us at the Process Safety Congress in The Netherlands

On May 18 2022, Sofis will join the yearly Dordrecht Process Safety conference. This conference brings together the technical safety specialists and managers from companies that deal with hazardous chemicals,... read more →
  • 25 April 2022
  • News
Erica Hutadjulu

#IWD2022: introducing Erica Hutadjulu, Production Engineer at Sofis

The first time Erica was introduced to engineering was during her classes at elementary school. "I went to an amusement park, and instead of rides like roller coasters, my attention... read more →
  • 7 March 2022
  • Company, News
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
Ellen Maes

#INWED21: celebrating our women in engineering

We are excited to celebrate International Women in Engineering Day today, in which we acknowledge the amazing work that women engineers around the world are doing. Supporting lives and livelihoods... read more →
  • 16 June 2021
  • Company, News
Golden Pass LNG

Chiyoda Corporation deploys EasiDrive portable actuators for Golden Pass LNG project

Chiyoda Corporation has selected Sofis to provide EasiDrive portable valve actuators, to be used on 1.100 critical valves in the Golden Pass LNG project. EasiDrive is a lightweight portable actuator... read more →
  • 2 June 2021
  • Customer stories, Fast manual valve operation, News
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
Operator inserts key in a valve interlock

New Smith and Netherlocks interlocks Quick Fix Guides now available

Following the success of the Netherlocks interlocks Quick Fix Guide, we recently produced the Smith interlocks Quick Fix Guide. Both guides can now be downloaded in the download section of... read more →
  • 20 May 2020
  • News, Safe valve operation

Covid-19 update

Update March 18, 2020 In order to protect our staff and customers and help to avoid further spreading of the COVID-19 virus, we have put various measures in place. These... read more →
  • 18 March 2020
  • Company, News
Valve line-up during tanker loading

This tank storage leader avoids contamination with locks and a smart key cabinet

[vc_row... read more →
  • 24 July 2019
  • Customer stories, News
Tanker being loaded in harbour

Growing terminal throughput with faster line-ups

We have helped a large European refinery improving its tank farm throughput. To prepare a product transfer, large numbers of valves need to be lined-up manually. By speeding... read more →
  • 9 July 2019
  • News
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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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