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 6105-01-029-3764
NSN 7035-00-541-8516
NSN 5990-01-060-3687
NSN 6150-01-060-9512
NSN 5985-01-516-2129
NSN 6220-01-183-4557
NSN 5855-00-247-7219
NSN 6320-00-405-2348
NSN 5910-01-182-6607
NSN 5960-01-589-6846
NSN 5920-01-217-6241
NSN 6650-00-144-4555