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DGM series

Pressure Switches for fuel gases

Technical data

Pressure connection

External thread G 1/2 to DIN 16 288 and internal thread G 1/4 to ISO 228 Part 1 (permissible up to 4 bar).

Switching device

Seawater-resistant diecast aluminium GD AI Si 12.

Degree of protection

IP 54 for vertical installation position.

IP 65 (for EEx-d version)

Ambient temperature –25 to +60°C.

–15 to +60°C (for EEx-d versions). At ambient temperatures below 0°C, ensure that condensation cannot occur in the sensor or in the switching device.


Either directly on the pipe or with two 4 mm ø screws on the wall surface.

Mounting position

Vertically upright and horizontal. EEx-d version only vertical.


Continuously adjustable via the setting spindle with a screwdriver. The set switching pressure is visible in the scale window.

Sealing P2

On request (can be fitted later).

Switching differentials

Largely independent of the set switching pressure. Not adjustable.