FIELD: machine building.
SUBSTANCE: spray nozzle, namely high pressure nozzle for removal of scale from steel parts, has nozzle (12) with outlet opening (30) and outlet chamber (35) that converges in the direction of outlet opening (30). The latter has curved surface (32) enveloping the outline (38) of outlet opening (30) and coming into contact with outline (38) of outlet opening (30) at each point of outline (38) at an angle of 65°-95°, namely 90°, to central longitudinal axis (34) of head piece.
EFFECT: invention provides good aeration and restricted jet at high water head.
10 cl, 18 dwg
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