liquid and there by preventing the tank from collapsing due to vacuum. nitrogen being an inert gas is best suited for blanketing as nitrogen reduces the oxygen content in the vapour space above liquid and eliminates the possibility of combustion. fainger's tank blanketing allows interchangeability of valves...
in a wide range of industries including petroleum & petrochemicals, gas, marine & sewage treatment. read more... pressure and vacuum breather valves the series range of breather valves minimise vapour losses from storage tanks during operations whilst preventing internal pressure & vacuum conditions...