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 6620-01-246-7133
NSN 5998-01-015-7450
NSN 4140-00-423-6663
NSN 6110-01-612-0201
NSN 5925-01-144-5459
NSN 6685-01-559-6725
NSN 5920-01-178-6457
NSN 6645-01-578-6815
NSN 5935-01-328-5865
NSN 4140-00-608-5654
NSN 5920-01-201-2936
NSN 6240-00-960-0224