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 6685-00-450-0053
NSN 6650-01-098-0288
NSN 5996-01-147-3297
NSN 5905-01-631-1484
NSN 4140-01-142-6443
NSN 5920-00-803-3290
NSN 5930-00-062-5658
NSN 6130-01-065-8251
NSN 5930-01-524-5389
NSN 5915-01-214-0747
NSN 5990-00-557-3672
NSN 6650-01-344-6550