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 4140-01-005-0154
NSN 5985-01-030-0113
NSN 6145-01-474-4702
NSN 5915-01-645-7880
NSN 5935-01-060-2751
NSN 6130-01-621-2809
NSN 6105-01-337-5774
NSN 6150-00-001-9103
NSN 7035-01-059-5114
NSN 5945-01-568-1448
NSN 6620-01-449-6927
NSN 4140-00-006-3805