First stage regulator and rotatable in-line valve
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
May 6, 1996
filing date -
May 6, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A regulator for a self-contained breathing apparatus having a regulator body connected to a source of high pressure gas. An in-line valve within the regulator body is in communication with the source of high pressure gas. A primary burst disc is disposed within the in-line valve which is adapted to block the passage of gas from the source of pressurized gas when the gas is pressurized below a given pressure and to give way when the gas is pressurized above a given pressure when the in-line valve is closed. A first stage regulator is disposed within the regulator body for receipt of pressurized gas when the in-line valve is open. A demand regulator can be connected to the regulator body for receipt of regulated breathing gas from the first stage regulator. A conduit within the regulator body extends from the high pressure chamber to ambient and a burst disc is disposed within the conduit which will burst above a given gas pressure.
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