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 5985-00-959-6441
NSN 5925-01-467-3625
NSN 5996-01-034-7616
NSN 5925-01-498-4997
NSN 6685-01-158-9427
NSN 6620-00-125-9669
NSN 7035-01-655-5081
NSN 5999-01-426-8740
NSN 6320-00-857-4073
NSN 6130-01-251-3669
NSN 6110-01-420-4284
NSN 5910-01-433-8765