Mechanical Pressure Switch Type Ex-DDCM

Differential pressure switch for potentially explosive areas.
A double-chamber system with nitro steel bellows or Perbunan membrane records the difference between the two pressures.

Differential pressure switch Ex-DDCM for potentially explosive areas
  • Suitable for monitoring and controling differential pressures
  • Suitable for flow monitoring
  • Suitable for automatic control of filter systems
  • Stepless adjustment
Delivery time:
approx. 1 week
<<<<<<<<<<Delivery time
approx. 1 week
Switching range 4 - 25 mbar… 3 - 16 bar
  • Wetted material: aluminum + Perbutan or stainless steel 1.4305  + 1.4571
  • Housing: seawater-resistant die-cast aluminum GDAlSi12
Pressure connection Inner thread G ¼"
  • SIL 2 according to IEC 61508-2
  • Atex 94/9/EG
    • II 2G Ex d e IIC T6 Gb
    • II 1/2D Ex ta/tb IIIC T80 °C Da/Db
Protection IP 65

More information:


Documents (English) Size
Data-sheet pressure switch Ex-DDCM 1.92 MB