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 6150-00-409-4757
NSN 6645-00-435-5610
NSN 7035-01-019-5729
NSN 5990-00-473-1809
NSN 4140-01-377-1265
NSN 5996-01-547-3452
NSN 5835-00-236-8414
NSN 4140-00-833-5068
NSN 6105-00-097-9965
NSN 5935-01-101-7814
NSN 5998-00-525-2654
NSN 6685-01-380-9740