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 5985-01-584-4110
NSN 5835-00-997-1703
NSN 5930-00-984-5352
NSN 5915-01-398-1860
NSN 5855-00-221-9435
NSN 5895-01-399-4918
NSN 4140-01-606-5212
NSN 6645-00-068-3536
NSN 5945-01-160-7704
NSN 6110-01-462-0158
NSN 6650-01-237-4689
NSN 6610-01-189-3001