Breathing Apparatus ( LW 300) Description Breathing apparatus ( LW 300) is a self-contained compressed-air breathing apparatus. It is designed on the open-circuit system in which the exhaled air is discharged from a wearer to the atmosphere. Function The breathing apparatus is to supply air to enable a wearer to work in an oxygen-deficient or toxic atmosphere. Specifications The overall weight of the breathing apparatus together with a fully charged cylinder is 11 kg. The breathing apparatus consists of the following components : * a composite carbon fibre lightweight cylinder holding 1829 litres when fully charged to 300 bars; * a regulator unit and pressure gauge manifold assembly; * a facemask ( a positive pressure greater than ambient is maintained within the face mask to obviate inward leakage into mask during inhalation) ; * a backplate and a harness. Hub Mia 0856 9139 8333, / 021-40911748. Email : mia_ brsinaga@ yahoo.com