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Index
»
DDS LEC FINALS
»
Chapter 14 - DISPERSE SYSTEMS
»
PARTS OF AEROSOL VALVE
level: PARTS OF AEROSOL VALVE
Questions and Answers List
level questions: PARTS OF AEROSOL VALVE
Question
Answer
BUTTON which the user presses to activate the valve assembly for the EMISSION of the product.
Actuator
SUPPORTS THE ACTUATOR and delivers the formulation in the proper form to the chamber of the actuator.
Stem
placed snugly with the stem, serves to PREVENT LEAKAGE of the formulation when the valve is in closed position.
Gasket
holds the gasket in place and also is the mechanism by which the actuator retracts when pressure is released, thereby RETURNING the valve to the CLOSED POSITION.
Spring
attached to the aerosol can or container, serves to hold the valve in place
Mounting cup
- located directly below the mounting cup, -serves as the link between the dip tube and the stem and actuator. With the stem, its orifice helps to determine the delivery rate and the form in which the product is emitted.
Housing
- extends from the housing down into the product - serves to bring the formulation from the container to the valve.
Dip tube