... easy Firmly and stable customize and small size standard package ZYB-50 portable fuel oil vane pump Technical specification Speed630rmp ... or submersible pump or remote dispenser in1, 2, 4, 6 or 8 horses respectively for 2, 3 or 4 oil products configuration ... , UCS, CNEX, ISO9001.1. Small size, light and easy carrying.2. Big flow and strong sucking.3. Vehicle battery driven, easy ...