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 6645-01-592-2557
NSN 5996-01-540-6261
NSN 5855-01-100-3272
NSN 5905-01-408-5991
NSN 5999-01-159-6373
NSN 6130-00-452-1486
NSN 6130-01-286-9580
NSN 5895-00-292-2872
NSN 5925-01-449-1052
NSN 5999-01-458-1166
NSN 5855-00-862-3345
NSN 6220-01-113-8861