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 4140-00-760-4498
NSN 6650-01-366-6321
NSN 7035-00-500-7839
NSN 5996-00-367-2388
NSN 6320-00-343-1798
NSN 6645-00-759-3962
NSN 6105-01-076-5183
NSN 6320-01-006-6138
NSN 5975-00-493-3614
NSN 5998-01-211-6521
NSN 6220-01-649-1515
NSN 6645-00-149-1100