AM0690289, Ames, 12 In Steel Anti-Siphon Check Valve, Flange

This 12 IN Ames Fire and Waterworks, series ASCV, anti-siphon/chemigation check valve is used to prevent backflow of mixtures of water and chemicals into the water supply. The spring swing silent check valve is extremely efficient. It also features a built in vacuum breaker to provide air release and vacuum relief when flow discontinues and a low pressure drain to provide drainage of any water on the inlet side of the check valve. It has flanged ends. The maximum pressure is 150 psi (10 bar).