1” F BSP inlet/outlet ports , 24v DC 30min DUTY CYCLE Battery powered diesel fuel transfer pump Self-priming Sintered steel rotor & acetal resin vanes Cast iron pump body with anti-corrosion paint Mechanical seal for reliability at low temperatures Incorporated bypass valve & 500 micron filter Flow rate: 35-70 ltr Per Min (depending on model) Direct current brush motor with permanent magnet stator On/off switch Thermal motor overload protection Protection grade: IP55