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


In this section you can find materials that will help you to better install, operate and maintain Sofis products. If you cannnot find what you are looking for or if you need our support, please contact our support department!

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Field service

You need guaranteed professional support for your installed base of valve safety products. Therefore we offer the largest, most experienced team of Site Service Engineers. Always on hand and ready to assist through local service centers and a global network of certified partners.

Engineering support

We have extensive application knowledge and over 30 years of experience and project management skills. Our global team of engineers is available to participate in HAZOP studies, assist with interlock sequence design and develop customized process safety products. They are committed to improve your valve operations and ultimately, your plant performance.

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