Morrison Bros. 351S 2 in. FNPT Flame Arrester/ Pressure Vacuum Vent – 2 oz/sq inch

Description

Flame arresters provide a positive barrier that keeps flames from passing through the normal vent line into a storage tank’s vapor space.
Note: Vacuum Setting 1.0 oz / sq. Inch

Features

Directs vapors outward and upward in accordance with NFPA 30
Protects the vent line from debris and insects
Water resistant rain cap sheds water away from the vent line

Construction Details:

Body and cover: Cast iron
Arrester Plates: Stainless steel
Arrester grid housing: Brass

Restrictions

Do not use with acetylene, carbon disulfide, etheleneoxide or hydrogen gases. For use with normal hydrocarbon flames such as gasoline in air.
Routine inspection is required to ensure airways are clear and free of debris. Blocked airways can cause structural deformation of the tank.