Importance

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Abstract

This invention relates to a safety valve for a pressurised gas cylinder, the valve comprising: (a) a housing comprising a proximal end and a distal end, the housing comprising a conduit which extends through the housing from an inlet at the proximal end to one or more outlets at the distal end, the inlet being connectable to a gas cylinder so that it is capable of providing fluid communication between the conduit and the gas cylinder; (b) a closure member within the conduit which is movable from a closed position in which it substantially seals the inlet to an open position which provides fluid communication through the conduit from the inlet to the one or more outlets at the distal end of the housing; and (c) a thermal release element within the conduit in the form of a fluid-filled glass bulb comprising a first end which abuts a stop on the housing and an opposing second end which abuts a distal side of the closure member in order to hold the closure member in the closed position.

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First Claim