Unidirectional valve carrying oxidising gas at high pressure fed from gas bottle, to which is fitted

摘要

The uni-directional valve consists of a body (1) in which is provided a channel (4) and enclosing round the channel a seat (7). A valve (14) is mounted to slide in the body and held against the seat (7) be a spring (20). The channel (4) contains upstream of the seat of a chicane (10,11,12) and a porous insert (13) which is made of a material with good heat conduction properties.