Air valve assembly for a fire hydrant

Details Air valve assembly for a fire hydrant Air valve assembly for a fire hydrant

2005-11-22

2005-11-22

Lee, Kevin (Department: 3753)

Fluid handling

Hydrant type

Protection against freezing

C137S307000, C137S107000

Reexamination Certificate

active

06966332

ABSTRACT:
An air valve assembly for a fire hydrant includes a pressure responsive valve means removably mounted at or near a top of a fire hydrant and more specifically to a fire hydrant bearing housing. The pressure responsive valve means is adapted to open when the fire hydrant is not in use and to close when the fire hydrant is in use.

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patent: 4854339 (1989-08-01), Hoeptner, III
patent: 5033500 (1991-07-01), Hoeptner, III

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