gas pressure switch / differential / for air conditioning / industrial
DBL Riels Instruments



  • Fluid:

    for gas

  • Technology:


  • Applications:

    for air conditioning, industrial

  • Other characteristics:


  • Process temperature:

    85 °C (185 °F)

  • Pressure range:

    Min.: 0.3 mbar (0 psi)

    Max.: 25 mbar (0.36 psi)


The DBL differential pressure switch has the function of control of the differential pressure of air or gas not corrosive and non-flammable.
Alarm signal when you reach the set point.

Differential pressure switches are used in residential, commercial and industrial heavy pollution in air conditioning and ventilation:

Control of clogging of filters
Check correct operation of the filter
Low pressure and overpressure
Interruption of batteries in the absence of air