ATOS
Intrinsically Safe Solenoid Valves with ATEX or IECEx Certification

Key Features

  • On/Off Controls
  • ATEX or IECEx Certification
  • The "intrinsically safe" circuit is virtually unable to produce electrical surges or thermic effects able to cause explosion in hazardous environments also in presence of specific break-down situations

Quote Request
Click to Enlarge

On/off valves equipped with intrinsically safe solenoids available with following certifications and protection modes: Solenoids group II for surface plants with gas environment category 1, zone 0, 1 and 2

  • ATEX 94/9/CE, Ex II 1 G, Ex ia IIC T6 (IIB T6 or IIA T5)
  • IECEx, wordwide recognized safety certification Ex ia IIC T6 (IIB T6, IIA T5) Ga

Solenoids group I for surface, tunnels or mining plants

  • ATEX 94/9/CE, Ex I M2 Ex ia I
  • IECEx, wordwide recognized safety certification Ex ia (ib) I Mb

The "intrinsically safe" protection is based on the principle of limiting the energy of electric circuits in environments with presence of hazardous atmospheres. For this reason the valves must be supplied through specific “safety barriers” limiting the max current to the solenoid. Atos provides galvanically insulated barriers for single and double solenoid valves, see section 18 to 21. The "intrinsically safe" circuit is virtually unable to produce electrical surges or thermic effects able to cause explosion in hazardous environments also in presence of specific break-down situations.