FIELD: equipment for liquid spraying with the use of pressurized gas.
SUBSTANCE: aerosol can has pressure control valve. The pressure control valve is arranged downstream of spraying nozzle and provided with valve seat. Valve seat is communicated with spraying valve through central channel formed in pressure control valve piston in the case of flow absence through pressure chamber so that flow bypasses the flow chamber.
EFFECT: simplified structure, easy access to piston from outside to hold the piston in opened position, increased ability of can filling under elevated pressure.
10 cl, 4 dwg
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