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 5910-01-633-9963
NSN 5920-01-005-0161
NSN 6145-00-397-5950
NSN 6220-01-543-9303
NSN 5996-00-553-7348
NSN 7035-01-619-5073
NSN 5930-01-003-0257
NSN 5925-00-764-8349
NSN 5935-00-809-2358
NSN 6220-01-312-2035
NSN 2925-01-513-9114
NSN 5985-00-264-7480