Air Valve AL series / ANSI 125 & 250, Flange 1" ~ 24"

Type : Ball Float
Application : Main Pipe Distribution
Features : Discharge Air & Vacuum Relief
Pressure Rating : ANSI 125 & 250
Size : 1" ~ 24"
Connection : Flange ANSI 125 & 250
Body : Ductile Iron

Crispin AL series Air Valve is used in distribution pipe with 2 main functions : Discharge large volume of air during pump start-up and suck in large volume of air in the event of pipe burst and stop pipe from collapses due to Vacuum created.
https://crispinvalve.com/air-release-valves/air-release-valves/air-release-valves/al-series/