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Smart valve operations

Improving operator efficiency and worker safety

More about us
Smith Flow Control and Netherlocks Safety Systems are now Sofis

Our valve operation solutions

Sofis provides solutions in the field of valve operation that really make sense and help you to improve your efficiency and safety. By offering sophisticated integrated solutions, based on a complete range of premium products and excellent support, we help you to achieve optimal performance and create ultimate flow.

Valve interlocks are installed on valves by service engineers

Field support

As our customer you receive optimal support for your installed base. For smooth and flawless installation and operation of your Sofis products you can use the many support programs that we offer.

  • Installed base surveys
  • Technical training
  • Maintenance and installation
  • Commissioning and supervision
Get direct support

Sharing expertise

By working with us you can tap into our 30+ years of experience in creating and applying smart valve operations. We’ve pioneered and developed various markets and helped all major industry players to make their valve operations safer and more efficient.

To benefit from our expertise, you’re free to invite us to:

  • participate in HAZOP studies
  • assist with interlock sequence design
  • develop customized process safety products
Apply for free advice
Valve interlocks avoid human error
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Trusted by renowned companies in the industry

Sofis supplies and supports the world’s biggest companies involved in the energy industry. They rely on our experience and expertise to develop and maintain our products, and to provide the technical backup that is essential for maintaining constant flow.

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Vopak logo small
Technip logo small
Total logo small
Shell logo small
BASF logo small
BP logo small
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Fluor logo greyscale

Local presence

With a global office and partner network, help is always at hand.

You can find us here
Sofis global offices

Smarter together