a fire - fighting for extinguishment lance of a fire in a closed space

摘要

A lance for the extinguishment of a fire in a space A comprising at least one first duct 20 with a first inlet 21 and a first outlet 22 fluidly connectable to a first feed line (F1, figure 3a) of a pressurized fluid (W, figure 3a), a first controlling lever 12 acting upon the first duct, at least one second duct 30 with a second inlet 31 and a second outlet 32 fluidly connectable to a second feed line (F2, figure 3a) of an abrasive powder (AP, figure 3a) and a second controlling lever 62 acting upon the second duct. The lance comprises a handle 11 graspable by an operator comprising the first and the second controlling levers, the latter being placed in reciprocal proximity. The second duct may include an adjusting element 65 for controlling the flow of abrasive powder.