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 5996-00-466-7857
NSN 5910-01-037-8923
NSN 6105-01-581-2537
NSN 6620-01-567-4193
NSN 6220-01-192-5423
NSN 6220-00-008-5582
NSN 6610-01-506-7887
NSN 6145-01-184-0321
NSN 6145-00-312-6673
NSN 6130-00-826-7241
NSN 5975-01-634-0678
NSN 5999-01-420-5967