Designed for high-volume transfer, bulk-unloading, or fueling applications. These pumps meet UL 79 specification code and are compatible with gasoline, aviation fuel, diesel fuel, fuel oil, and kerosene. 1/2" 67004212.0 GPM (45.4 LPM) max flow.1" 650717-C29 GPM (110 LPM) max flow.1-1/2" 650718-C75 GPM (284 LPM) max flow.2" 650719-C75 GPM (284 LPM) max flow.