This application differs from vent gas recovery in that the vapors recovered are of a relatively fixed composition rather than a variable mixture. A typical application is capturing gases vented from storage tanks. The vacuum level is closely controlled in order to protect the storage tanks. Usually, the discharge pressure is relatively low. Often these gases are returned to the process, or are liquefied and returned to the storage tanks.
Suction Capacity: 1,150 to 18,900 ACFM (1,950 to 32,100 m3/h)
Vacuum Range: to 4 inHgA ( to135 mbar abs.)