JAV-I Jacketed Insulation Breathing Valve Introduction:

The JAV-I jacketed insulation breathing valve is a primary safety device for fixed-roof storage tanks of crude oil, gasoline, kerosene, light diesel, aromatics, etc. The jacketed insulation breathing valve serves to reduce evaporation loss and protect the tank from damage under conditions of overpressure or vacuum (jacketed insulation breathing valve flame arrester). The JAV jacketed insulation breathing valve is typically used in conjunction with a flame arrester.