Hi,
Sorry about the table lay out - but I can't figure out how to display it.
From my FCOM, the minimum temperature (i.e. waxing temp) of various fuels is listed and also the Max 54°C
For JET B & JP 4 (wide cut fuel = higher petroleum content), the Max temp is listed as 49 °C.
So I don't think it's for fuel pump cooling purposes on the Airbus - I suspect it's something to do with vapour pressure.
FUEL TEMPERATURE
- JET A1/JP 8/ ... JET A .... JP 5 .... RT .... TS-1
- MINI - 43°C... -36°C (1) - 42°C - 45°C - 45°C
- MAXI 54°C
- ...... Jet B ...... JP 4
- MINI - 46°C - 54°C
- MAXI 49 °C
(1) : For JET A only, if TAT reaches - 34°C, monitor (on the ECAM FUEL page) that fuel temperature remains higher than - 36°C.