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 6610-00-960-9135
NSN 4140-00-786-7377
NSN 6620-01-590-3295
NSN 5965-00-123-1727
NSN 5965-01-643-0522
NSN 6130-01-363-5539
NSN 6320-00-139-1090
NSN 6105-01-296-1822
NSN 6610-01-212-2969
NSN 6610-01-556-2353
NSN 6645-00-873-4642
NSN 6610-00-468-1958