Sofis
Valve Interlocking Devices
Brand : Smith Flow Control / Netherlocks
Size : Fits any size of manual valve (Quarter-turn or Multi-turn)
Temperature : Standard: -20°C to +80°C (Low temp up to -40°C available)
Materials : 316 Stainless steel
Application : Mechanical sequence control to prevent human error during pigging, maintenance, or changeover
Connection : Custom adaptation brackets designed to fit directly onto the valve stem and yoke
Industry : Oil & Gas, Petrochemical, Chemical, Tank Terminals
Sofis Valve Interlocks eliminate human error by ensuring valves can only be operated in the correct sequence, using uniquely coded linear keys that guide operators through every step of a predefined process. By preventing unauthorized or out-of-sequence operations, the system enhances process integrity and creates a safer working environment for personnel and equipment.