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 5855-01-398-9548
NSN 6320-00-831-2227
NSN 5990-01-242-2538
NSN 5960-01-433-3928
NSN 5935-01-530-4511
NSN 5990-01-455-8035
NSN 5920-00-351-8428
NSN 5855-01-480-1396
NSN 6650-01-003-9355
NSN 5910-01-430-0017
NSN 6150-01-035-6262
NSN 5998-00-305-4087