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 5855-00-004-0904
NSN 6685-00-406-4774
NSN 5855-01-506-6046
NSN 2925-00-091-6745
NSN 6240-00-204-9355
NSN 6320-00-905-0543
NSN 5960-00-525-1898
NSN 6685-00-152-7146
NSN 6685-01-551-0542
NSN 6645-01-224-4265
NSN 6645-00-470-5310
NSN 6685-01-135-4357