Clean for oxygenservice per aro of buffalo inc ps203
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6145-00-240-9795
NSN 5999-01-423-1030
NSN 5965-01-386-2988
NSN 5975-01-067-2507
NSN 6685-00-762-7965
NSN 6135-00-334-4500
NSN 5950-01-350-4462
NSN 6135-00-309-0074
NSN 5945-00-862-3979
NSN 5985-00-149-1675
NSN 5915-01-420-7767
NSN 6130-01-644-8885