Tanker 215, Rotary Vane Vacuum Pump, AC110V, 60Hz Features : ◆ High vacuum, high flow rate Tanker series pumps are driven by rotary vane, with high flow, vacuum can reach over 0. ◆ Thermal protection device Every motor of Tanker series pumps has a built-in thermal protection device to shut off the pump automatically when overheated and then resume working when the temperature cools down.