Gas supply apparatus
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United States of America Patent
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Apr 5, 2005
Issued Date -
N/A
app pub date -
Mar 16, 2004
filing date -
Mar 1, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for supplying pressurized gas to a plurality of gas outlets from an upstream gas supply, in which each of the plurality of gas outlets in use is connected to a common gas feed line via a respective valve, each valve being adapted to close to prevent the flow of gas downstream of the valve in the event of the integrity of the feed line being breached downstream of the respective valve, to prevent the escape of gas from the breached feed line, and wherein each valve includes a valve member which is moveable into engagement with a valve seat to close the valve, and a valve member damping means to resist movement of the valve member into engagement with the valve seat.
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