Fuel Pipe Max Working Pressure in PSI

[Billancourt]

Hi All

I'm in the process of buying a new copper fuel pipe for an R4F4 with an 1108cc engine in it. I have been offered x3 different fuel pipes with different maximum working pressures:

1334 psi
1484 psi
2698 psi

I cannot find anything in the Haynes manual, does any one know which one I should go for or would all of them be up to the job?

Thanks

 

[benchseat]

These working pressures refer to when the copper pipes are used as brake pipes. When used as a fuel pipe the working pressure is essentially nil as the fuel is sucked through the pipe by the pump from a tank which is vented to the outside air (via the breather pipe). AFTERTHOUGHT : possibly also as diesel injector pipes, which work under enormous pressure (which might explain why your supplier gave you these details).

 

[mr-reno-139]

fuel pump on carburettor engines nominal pressure is 4 psi up to maybe 8psi