Pressure Monitor Module

outlet device for Ex pxb or Ex pyb protected equipment in zone 1/21
  • Compact design
  • Integrated flying spark barrier
  • Easy handling


The pressure switch module is a component of pressurized controls for zone 1/21.

For zone 1/21 applications, variants with different orifice sizes are available and can thus be optimally selected for the protected Ex p volume.

The function of the pressure monitor module is on the one hand to measure the flow in connection with the Ex p control unit and on the other hand it serves as a pressure safety valve.

Technical Data

Protection class IP 65
Flying spark barrier 3-fold
Structure with Ex px/py operating equipment
Mounting position:
– any position
– plastic body inside Ex p operating equipment
Opening pressure 3 mbar
Installation Mounting hole: Ø 37 mm
Connection Quick plug-in connector for hose
Measuring orifice 8 mm up to 18 mm
Ex p Control Unit APEXpx or APEXpy

Manuals/Operating Instructions/Guides

Manuals/Operating Instructions/Guides

Data Sheets

Data Sheet – Pressure monitor module