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 5985-01-039-5419
NSN 5835-01-316-3255
NSN 5930-01-492-2250
NSN 5975-01-441-9221
NSN 6150-01-472-3263
NSN 6620-01-651-5425
NSN 5935-00-478-7307
NSN 6135-00-932-3136
NSN 5998-01-114-0939
NSN 6685-00-001-4183
NSN 5990-01-421-3325
NSN 6135-00-764-8680