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 6135-01-174-3807
NSN 7035-01-158-7673
NSN 5855-01-464-3152
NSN 5985-00-113-3417
NSN 6320-01-098-2503
NSN 5925-01-277-9592
NSN 5999-01-152-8823
NSN 6620-01-329-7510
NSN 6320-01-250-0290
NSN 6620-00-553-8854
NSN 6130-01-288-8312
NSN 5950-00-573-0218