| 摘要 |
A combined fire-fighting barrel comprises a cast body with a nut for attaching the fire hose, the ball lock providing the selection of the operation mode ("compact jet" or "atomizing"), the switch of a ball lock, the sealing gasket for the ball lock, the jet swirler, and the barrel itself with the cylindrical nozzle. To provide for the spraying, several spraying elements are designed containing one axially drilled opening and several oblique ones made at the angle of ? relative to the longitudinal axis. The latter are buried into the conical reflectors concentrically or in a staggered mode within the head body when the jet swirl in "atomizing" mode is not required.
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