Standard Features
When the 351A is combined with a 748A, it combines all the features of the flame arrester and a 748A pressure vacuum vent.
Construction Details
351S
- Body and cover: Cast iron
- Arrester Plates: Stainless steel
- Arrester grid housing: Brass
748A
- Body and hood: Aluminum
- Poppets: Brass
- Seats: Aluminum
- Screens: 30 mesh stainless steel
Restrictions & Warnings
Do not use with acetylene, carbon disulfide, Ethelene oxide 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.


