Sewerin - Model FLIS-EX - Gas Warning Devices - Brochure

Clean air in the pit / Entering pits safely The way into the depth involves great dangers. Pressure flashing in well pits as well as in ventilation pits can set free high quantities of CO2. Concentrations of more than 5 vol. % CO2 in the air lead to a dimming of consciousness, unconsciousness and even death. Possible danger also arise from nearby and probably defective gas pipelines. In close spaces natural ventilation is not sufficient. Therefore it is of great importance to provide the pit with clean and fresh air before getting into it. There is an efficient solution for this problem SEWERIN FLIS.