Guys as my fuel tank was rusted I cleaned it as much as I could, also used phosphoric acid (deruster)
There are many rust particled that are difficult to remove so I decided to buid an aditional suction screen made of stainless still that I've found in my trash
this is how it ended up:
Here it is installed before the last closure to seal it to the suction tube:
I have used my home made spot welder made from an old microwave oven