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 6135-00-990-1822
NSN 6130-00-367-2706
NSN 6145-00-738-5601
NSN 6130-01-481-4257
NSN 5960-00-587-7517
NSN 5905-01-447-2605
NSN 5945-01-421-5377
NSN 2925-00-502-3768
NSN 5999-01-642-9047
NSN 6645-01-237-7876
NSN 6150-01-122-4922
NSN 5895-01-298-8943