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 6645-00-092-5091
NSN 6240-00-660-8849
NSN 4140-01-602-9257
NSN 6105-00-887-9007
NSN 5910-01-157-3061
NSN 6685-00-851-7425
NSN 6320-00-174-1362
NSN 5965-01-309-0617
NSN 5996-01-211-0208
NSN 6240-01-515-2400
NSN 7035-00-295-0451
NSN 6135-01-210-8715