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

Solutions

Our valve operation solutions help you to run your plant as efficiently and safely as possible.

Enforce safe valve operation

Trapped key interlock solutions enforce a predefined sequence of operation and allow for (electronic) management and monitoring of complex interlocking sequences.

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Valve interlocks on pressure safety valves
Valve position indicator for linear valves

Monitor manual valve positions

Valve Position Indicators signal the open and closed position of your manual valves to your control room. They offer a universal solution for all your manual multi-turn valves and gearboxes.

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Operate manual valves quickly

Improve your operator’s efficiency and convenience with our portable actuators. They operate your heavy or large manual valves in a fraction of the time.

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EasiDrive portable actuator
Remote operation of manual valves

Operate manual valves remotely

Operate your manual valves from a vast distance with our remote valve operating systems. They fit any conventional wheel-operated device in hazardous or hard to reach places.

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Safe testing and maintenance of MOVs

Actuator lockout mechanisms temporarily lock out MOVs. They are mounted between a valve and an actuator and enable online testing and maintenance of motor operated valves.

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Partial stroke test device for critical valves

How can we help you?

With 30+ years of experience we can help you creating smart valve operations. Let us share the lessons we’ve learned with you by participating in HAZOP studies, interlock sequence design and customized process safety products.

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