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 5996-01-324-4422
NSN 5925-01-198-6970
NSN 5930-01-417-3148
NSN 4140-01-560-0112
NSN 6645-00-079-1430
NSN 6105-01-522-1880
NSN 5925-00-186-8669
NSN 5895-00-078-9281
NSN 5835-00-834-1286
NSN 5975-01-050-8114
NSN 6650-00-118-5600
NSN 5920-00-983-3571