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 5905-00-718-0360
NSN 6220-01-205-7688
NSN 5996-01-390-5010
NSN 5935-01-410-7823
NSN 6220-00-847-8347
NSN 5905-01-242-2631
NSN 6110-01-418-7762
NSN 5975-01-447-6439
NSN 4140-01-073-6199
NSN 6685-01-528-8349
NSN 5999-00-762-4791
NSN 6620-01-391-1920