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 5925-00-476-8740
NSN 5905-01-242-9936
NSN 7035-01-492-5271
NSN 6620-01-197-7665
NSN 5945-01-147-4083
NSN 6645-01-110-7397
NSN 5999-01-501-0694
NSN 5996-00-891-2317
NSN 5985-01-011-5704
NSN 5996-01-600-8077
NSN 5998-01-464-2781
NSN 6645-01-242-9699