1-1/2″ FRL System w/ Galvanized Cage, 175 CFM Maximum Flow (Y007, F329-12FW, R3912G, & 4112W). The maximum flow is limited by the 4112W Lubricator. If the Lubricator is removed, the maximum flow rate is 425 CFM.
The minimum flow rate for the Lubricator is 50 CFM.