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 5960-01-301-3315
NSN 5999-01-293-8448
NSN 6145-00-062-7897
NSN 5930-01-321-8968
NSN 5920-01-445-3521
NSN 6220-01-369-5528
NSN 5990-00-419-0236
NSN 5990-00-337-5359
NSN 5960-01-498-0572
NSN 5930-00-161-1763
NSN 5975-00-736-3420
NSN 5910-00-528-9714