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 6320-01-556-2011
NSN 5855-01-506-2016
NSN 6645-00-825-5677
NSN 6685-00-619-9860
NSN 6110-00-822-4411
NSN 6620-01-463-1373
NSN 6150-01-288-6183
NSN 6220-01-412-1799
NSN 5998-01-274-4652
NSN 6110-01-511-0201
NSN 6620-01-656-3306
NSN 6620-01-481-1358