Backflow preventer, with 1/4 turn, fullport resilient seated, bronze ball valve shut offs
No other part numbers with same form, fit, and function found.
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6645-01-086-3411
NSN 6145-01-608-4405
NSN 6130-01-262-9195
NSN 5965-01-547-9029
NSN 6130-00-351-9374
NSN 6610-01-198-3862
NSN 6135-01-608-2355
NSN 6320-00-004-9158
NSN 6220-01-148-2575
NSN 5925-00-124-5015
NSN 6610-01-605-1509
NSN 6145-01-548-2254