Closing device for fluid passage

Details Closing device for fluid passage Closing device for fluid passage

2007-03-06

2007-03-06

Keasel, Eric (Department: 3753)

Fluid handling

Ambient condition change responsive

Atmospheric

C137S072000

Reexamination Certificate

active

10888389

ABSTRACT:
A valve device for automatically closing a gas pipe when a fire breaks out. The valve device includes a gas thermosensitive generating composition, which decomposes and generates a large amount of gas within a short period when exposed to a high temperature. The valve body is driven with pressure of the gas generated by the gas generating composition.

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