Sofis (Netherlocks) interlocking products enforce and guarantee a pre-defined sequence of operation and so eliminate human error. They are used as an industry standard by renowned companies like Total, BP, ADCO and Shell to create a safer working environment.

Sofis (Netherlocks) has developed process interlocking solutions for various applications such as pressure relief valves, PSV, pig launching and receiving, inert gas systems, pump start up, flare lines, boiler blow-down, ‘2 out of 3‘ and decoking.