The 2 inch Fig. 749 Vent valve is used on underground and low volume aboveground tanks for motor fueling. The vent allows the tank to breathe during filling and dispensing operations. Poppets seal vapors in the tank when pressure is equalized.
Screen protects the tank from debris and insects
Integrated internal drain port channels water away from the tank
Vent vapors up and outward per NFPA 30
Certified SCFH ratings