... oily liquid. Self priming, rotary vane pump. Features:1. For fueling diesel oil, kerosene, not for gasoline.2. Cast iron casing, rotary ... vane pump, steel rotor.3. Bypass valve built in.4. ... flow meter, turbine flow meter, positive displacement flow eter, fuel nozzles, fuel dispenser pumps, hose swivels etc.4. We have big markets, ...