Have you tried FLEXEJDIRECT yet?

Fuels

For >50% Aromatic content fuels and bio-diesel Elaflex VITEX Viton bellows should be selected. For other fuels there are four alternative Nitrile based Elaflex products, the ERV-G is suited to most applications, the ERV-GLT is designed specifically for low ambient temperatures, the ERV-GS offers 30 minute fire resistance and the ERV-GSHNBR offers fire resistance plus abrasive media compatibility.