We now offer this PIUSU Panther pump.  Self Priming, 240v single phase, 1" ports.  Max flow 56 litres per minute.

Brilliant for biodiesel, Veg Oil etc, we can supply this for £140.00 including delvery!

We use this model ourselves to pump our WVO.  It is a brilliant performer, and the pump vanes are replaceable if they ever get worn.