Western Enterprises Check Valve Outlets, Industrial Air, Male, LH, 1/2 in NPT, 200 psig, WMS-1-61
$ 41.85
For added safety, check valve outlets are assembled in the oxygen manifold headers
Check valve outlets are safer than conventional header valves, they minimize the danger of "heat of recompression" associated with oxygen by disbursing the heat
Check valves provide automatic gas shut-off if a pigtail ruptures, preventing possible injury to the operator