Thermo-electric fusible link assemblies let operator close singular fire safe certified valve (or series) via low-voltage signal from PLC or switch. Also, links will yield when ambient temperature approaches rated temperature and close valve locally. Manual use is permitted while unit is still armed, and fail open version suits applications that call for assembly to drain or vent tank if emergency occurs. Series is available ½–2 in. NPS in NPT, socket weld, or 150 lb flanged ends.
This story is related to the following:Automated or Automatic Valves | Valve Actuators