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Author: Subject: in tank pump electrical terminal
luke2152

posted on 17/8/17 at 05:57 PM Reply With Quote
in tank pump electrical terminal

Making in tank pump setup and need a bulkhead connector to send power to the pump something like this:
https://www.efihardware.com/products/1593/submersible-pump-bulk-head-terminals

Such a simple thing but can't seem to find one online in UK. I might try to make one but don't want to bodge it as I'm not fireproof. Anyone know where to get one?

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craigdiver

posted on 17/8/17 at 06:17 PM Reply With Quote
I am currently having my fuel tank fabricated. I am going to solder on some BS6883 round flex to the pump and bring it out the tank with an ATEX nylon compression gland (see ebay 391051145531). This cable will not allow permiation of the explosive gases and the gland will not allow the products of a fuel tank ignition to exit the tank.

Regular round flex would also do as long as the other end of the flex is not terminated into an enclosed space.

Cheers

Craig (explosive atmosphere engineer)

[Edited on 17/8/17 by craigdiver]





If it ain't broken, fix it anyway (just because).

Building - BMW powered Haynes Roadster/442E hybrid.

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luke2152

posted on 17/8/17 at 06:32 PM Reply With Quote
That looks like a reasonable option. I should have added that the wire will be going in from the bottom of the tank so submerged in liquid fuel not vapours - not sure if that makes a difference for that gland. I'd still probably prefer a solid stud with appropriate insulators and seals.
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craigdiver

posted on 17/8/17 at 06:43 PM Reply With Quote
quote:
Originally posted by luke2152
That looks like a reasonable option. I should have added that the wire will be going in from the bottom of the tank so submerged in liquid fuel not vapours - not sure if that makes a difference for that gland. I'd still probably prefer a solid stud with appropriate insulators and seals.


Don't think it is very wise having a hole in the bottom of your tank, petrol is very viscous (compared with water) and will leak through anything very easily. You cannot use that gland as a liquid barrier (or should I say, you could - but it would leak).

Why can't you have the cable entry on the top of the tank?





If it ain't broken, fix it anyway (just because).

Building - BMW powered Haynes Roadster/442E hybrid.

Classic Fiat 126 aircooled
Aprilia Mana 850
Chinese 125cc motocross bike

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luke2152

posted on 17/8/17 at 06:47 PM Reply With Quote
Well its for a bike tank so from the bottom is the only option
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craigdiver

posted on 17/8/17 at 06:49 PM Reply With Quote
quote:
Originally posted by luke2152
Well its for a bike tank so from the bottom is the only option


Ahhh, yes would look daft with wire hanging out the top!





If it ain't broken, fix it anyway (just because).

Building - BMW powered Haynes Roadster/442E hybrid.

Classic Fiat 126 aircooled
Aprilia Mana 850
Chinese 125cc motocross bike

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snowy2

posted on 19/8/17 at 07:09 PM Reply With Quote
you dont need to do anything special.....just make sure the connections are bare (not able to trap fuel and bubbles) and not loose....
look at any ford in tank fuel pump





sometimes you are the pigeon, most of the time the statue.

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