A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6135-01-174-8057
NSN 6620-01-210-4401
NSN 5835-01-555-8963
NSN 6110-01-219-3446
NSN 6610-01-350-7697
NSN 6150-01-012-5204
NSN 5895-01-386-6484
NSN 5905-01-326-3390
NSN 5965-00-055-8013
NSN 6650-01-207-2905
NSN 6650-00-705-0269
NSN 6620-01-580-5864