12-5/8 inch-11 tapped holes in each mounting flange
A device designed for installation in the main riser of a dry or empty pipe automatic sprinkler system and held closed by spring force, air, or water pressure. Water is automatically released to the sprinkler system either by releasing or lowering the pressure beyond the minimum requirement or admitting and increasing the pressure to overcome the spring force.
Classification: Parts, nesoi, of mechanical appliances for projecting, dispersing or spraying liquids or powders; of fire extinguishers; of spray guns
NSN 5996-01-335-2589
NSN 5895-01-298-0380
NSN 5925-01-528-7741
NSN 5999-00-718-0229
NSN 5998-00-807-4486
NSN 6135-01-354-5535
NSN 2925-00-245-4440
NSN 5895-01-572-4944
NSN 6620-01-187-3320
NSN 7035-00-312-3055
NSN 5960-01-328-8248
NSN 5960-00-246-4623