... valve built in.4. Built in filter, easily accessible for cleaning.5. Self priming: Yes6. Induction motor with aluminum casing, ... oil pumps, gear pumps, diaphragm pumps, screw pumps, fuel transfer pumps, fuel flow meter, oval gear flow meter, turbine flow meter ... , positive displacement flow eter, fuel nozzles, fuel dispenser pumps, hose swivels etc.4. We have big ...