Spray-head for fighting fire

Details Spray-head for fighting fire Spray-head for fighting fire

A - Human Necessities

62

C

A62C 37/10 (2006.01) A62C 37/08 (2006.01)

Patent

CA 2104302

The invention relates to a spray-head for fire fighting. The spray-head according to the invention comprises a housing hav- ing a central boring with a movable spindle (11), the spindle (11) comprising a shoulder (11a) for defining an annular space (15) between the spindle (11) and a surrounding boring wall, the annular space (15) communicating with a respective feed line (3) and having the same cross-sectional area as the end of the piston (11) subected to the liquid pressure in the line (3). A spring force (16) is arranged to act on the piston (11) in the direction of release.

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