Air Horn Geomar C-138 DB D

Geomar C-138 DB D


Geomar C-138-DB-D is an air horn ruggedly constructed to withstand the most severe sea environment using the best seawater, non-corrosive materials. It has a heating thermostatically controlled for navigation in polar areas and 2 electro valves for normal and emergency operation.

Unilux Geomar

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Suitable for vessels with lengths between 75 and 200 meters

Design Features

Frequency and sound intensity:According to IMO 1972 regulations
Audible range:1,5 mile
Frequency:160 cps
Console push button and manual pull
Wing push buttons optional.
Best seawater, non-corrosive materials:Brass and stainless steel
Air horn:With working pressure between 7 and 40 Kg /cm2
Air consumption:30 l /sec
Diaphragm diameter:125 mm
Hose diameter:16 mm
Double electro valve:Main and emergency
Heating24V, 220V, 200W
Voltage:24V, 220V
Weight:38 kg
Signal controller:Audiotronic I / II (optional)


Height564 mm
Audible range1,5 mile
Lenght1063 mm
Diameter430 mm
Frequency and sound intensityAccording to IMO 1972 regulations
Frequency160 cps
OperationConsole push button and manual pull Wing push buttons optional
Best seawater, non-corrosive materialsBrass and stainless steel
Type of hornWith working pressure between 7 and 40 Kg /cm2
Air consumption30 l /sec
Diaphragm diameter125 mm
Hose diameter16 mm
Voltage24V, 220V
Weight38 kg
Signal controllerAudiotronic I / II (optional)
Heating24V, 220V, 200W