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 5945-00-455-8546
NSN 5960-01-291-5593
NSN 5999-00-417-0485
NSN 5925-00-472-0670
NSN 6610-01-098-6884
NSN 6650-01-119-4576
NSN 5895-01-013-9320
NSN 5998-01-634-0604
NSN 5998-00-695-4920
NSN 5945-00-937-3261
NSN 5965-00-862-2417
NSN 6320-00-312-7348