Fuel Tank Vacuum Breaker
Model VB Vacuum Breaker
• Designed to protect Day Tank from negative pressure build up which may occur due to venting of the Day Tank. The valve automatically opens to admit air when an unwanted vacuum develops.
• to mount at highest point in overflow / return. The valve prevents excessive vacuums that can disrupt fuel system operation or damage equipment.
• available in 1”, 1-1/2”, 2”, and 3”.