Long Range Petrol tank access issue

[dom14]

I've had a look in the workshop manuals I have and this is all I can find regarding carby model fuel pump specs.

Carby model specs.jpg

Thanx mate. I've been busy running around, I didn't get a chance to carefully look in the manuals.
20KPa translates into approximately 3psi.
As an el cheapo external solution, below is all I need atm.
They are rated 3-6psi.

http://www.ebay.com.au/itm/252333921...84.m1436.l2649

If the pressure is enough, they are not bad as a backup.

I prefer to use a strainer for the tank pickup.

Will you be able to suggest something?