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 5895-01-504-2453
NSN 6130-01-045-6294
NSN 5835-01-433-8790
NSN 5945-00-394-2754
NSN 6610-01-359-9809
NSN 5950-01-277-0687
NSN 5835-00-554-0399
NSN 6110-01-146-5796
NSN 5935-01-253-0613
NSN 5925-00-660-4206
NSN 5925-01-392-7701
NSN 5920-01-052-5020