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 5999-00-451-0530
NSN 6220-01-431-6773
NSN 5965-00-175-8972
NSN 7035-01-391-0432
NSN 5950-00-088-9254
NSN 6105-00-450-6053
NSN 5935-01-138-0249
NSN 6620-01-338-6073
NSN 6135-01-343-1592
NSN 5985-00-359-3657
NSN 5910-01-227-1724
NSN 4140-01-126-2582