Pressure switch for gas

The PSG 901 is an adjustable pressure switch for monitoring overpressure of air and non-aggressive gases (families 1-2-3 EN437).

The pressure switch is available in different pressure ranges, all with male threaded connection G1/4. Special versions are available for use with aggressive gases.

The compact, robust and functional design permits a simple, quick, and essentially maintenance free installation.


CuZn G1/4
Stainless Steel G1/4

Operating pressure

0 … 500 mbar
0 … 1 bar

Gas type

Air and non-aggressive gases (Family 1-2-3, EN 437)
Special version for Biogas/COG


EC-type tested and certified according to EN 1854


Technical Sheet Download File
CE Certifications Download File
Declaration Of Conformity Download File