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Pressure reducer DM 1900 by BartelsRieger

Pressure reducer 1900 series

 

The cylinder pressure reducer reduces the cylinder pressure to the working pressure of the compressed air line breathing apparatus. If the cylinder pressuredrops below 35 ±5 bar, the pressure reducer automatically switches to the warning pressure. At the same time, a warning signal sounds on the pressure reducer and on the warning device on the equipment carrier.

The air supply in the compressed gas cylinder is indicated on the high pressure gauge. The medium pressure gauge is used to display the working pressure and signals the breathing activity of the wearer of the unit by fluctuations of the pointer.