Smith Flow Control and Netherlocks have merged. We are now Sofis.

Smart valve operations

Improving operator efficiency and worker safety

Go to solutions
Smith Flow Control and Netherlocks Safety Systems are now Sofis

Valve operation solutions

Avoid loading errors and product contamination

By electronically monitoring and regulating the operation of your manual valves, you can ensure a correct line-up. You prevent errors leading to spills and contamination with all related costs and reputational damage..

Go to valve line-up system
Using valve interlocks avoids contamination in tank storage industries
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

Our references

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How can we help you?

Benefit from our knowledge and pioneering mentality in optimizing valve operations. We have extensive application expertise and over 30 years of field experience and project management skills within a global team of engineers. Please let us know what kind of support you need and we will get back to you with a fast and accurate response.

Get direct support

Call directly +31 (0)172 471339