Page 260 - Pharmaceutics IV (02-06-01305)

3/30/24

AEROSOL CONTAINER AND
VALVE ASSEMBLY

Formulation must not chemically interact with the container or valve
components so as to interfere with the stability of the formulation or
with the integrity and operation of the container and valve assembly.
The container and valve must be capable of withstanding the pressure
required by the product,

It must resist corrosion

The valve must contribute to the form of the product to be emitted.

Prof Alyaa Ramadan, ceutics, AU

27

Valve assembly

mounting the The picture can't be
cup actuator, displayed.
Metal

springs, stem,
gasket, PLastic

housing

Rubber dip tub

The actuator: The button the user presses to

activate the valve assembly for emission of
the product. -the actuator permits easy Metering valves are employed when
the formulation is a potent
opening and closing of the valve.
medication, as in inhalation therapy
Prof Alyaa Ramadan, ceutics, AU

28

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