Fuel Tap material

Fuel Tap material

This topic has 6 replies, 6 voices, and was last updated 20 December 2015 at 14:08 by Chris Evans 6.

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20 December 2015 at 11:00 #217148
Wolfie
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@wolfie
I need to make a small part for a fuel tap. The original part is brass, I don't happen to have any of the right size. Can I make the part in steel?? Or is there a reason why its brass? It will get petrol on it.
Advert

20 December 2015 at 11:00 #34301
Wolfie
Participant
@wolfie
brass vs steel
20 December 2015 at 11:15 #217154
Speedy Builder5
Participant
@speedybuilder5
One tends to stay clear of steel and petrol as there is a very remote chance of something striking the steel and making a spark, but as I said remote chance. If you have a lathe and want to make a piece , you must be able find a bit of brass/bronze – perhaps a plumbing fitting turned down, the stem of a water tap – something surely.
BobH
20 December 2015 at 12:08 #217164
Ian S C
Participant
@iansc
Bob, I think you may have rust problems if you use steel, maybe stainless would be OK.

Ian S C
20 December 2015 at 13:11 #217179
Tony Pratt 1
Participant
@tonypratt1
I would use brass.

Tony
20 December 2015 at 13:26 #217184
Tim Stevens
Participant
@timstevens64731
Many (not all) such taps rely, more or less, on lapping the two conical surfaces to get a good leak-proof fit. I am fairly sure that lapping steel and brass together would not be so easy, as they are of different hardness, etc. I agree with the 'use stainless' comment, though.

Cheers, Tim
20 December 2015 at 14:08 #217194
Chris Evans 6
Participant
@chrisevans6
Only downside that springs to mind is water contamination. The ethanol content seems to attract water but it would take an awful long time to pit and leak.
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