with distribution valve for pressurized aerosole station

摘要

1440050 Pressurized dispenser valves PRECISION VALVE CORP 19 Sept 1974 [27 Sept 1973] 40923/74 Heading F1R The end of a valve stem 11 is reduced in diameter at 15 and has a radial slot 17 and together with the button 20 forms an annular discharge passage 2 communicating with a discharge nozzle 30. The button has a plug 22 to close the end of the stem passage 13 to ensure that discharge is through the slot 17 which acts as a metering orifice so that large orifices 14 may be provided in the valve.