daniel mason
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| posted on 28/12/10 at 08:31 PM |
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Sizing silicone hoses?
Hi. My header tank has 3 outlets.1 at 18mm,1 at 10mm and an overflow at 8mm so do I get hoses of equal diamiter or do they stretch slightly, and
therefore get next size down eg 8mm hose for 10mm outlet? Cheers
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Ben_Copeland
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| posted on 28/12/10 at 08:34 PM |
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They will stretch a little, and obviously the tighter they are the less chance of them ever popping off.
I'd get the same size, or slightly smaller if i couldnt get the right size.
Ben
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tomgregory2000
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| posted on 28/12/10 at 08:35 PM |
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10 for 10, 8 for 8 etc etc
they dont stretch much
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jacko
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| posted on 28/12/10 at 08:42 PM |
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If you put 8mm pipe on a 10mm outlet / inlet that will restrict water flow to what should be 10mm
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daniel mason
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| posted on 28/12/10 at 08:50 PM |
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Yeah but it's 10mm o/d outlet and 8mm I/d hose And the ally is at least 1mm thick all the way round so I would say flow I/d would be almost the
same
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Ben_Copeland
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| posted on 28/12/10 at 08:51 PM |
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Just get it 10 for 10 unless you cant get that specific size
Ben
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FASTdan
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| posted on 28/12/10 at 09:44 PM |
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Go size for size or a couple mm smaller if joining mismatched sizes. Like you say as long as you don't go so small that the is becomes a
restriction.
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RazMan
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| posted on 28/12/10 at 11:52 PM |
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If the alloy pipe has a barb then just use the 'non barbed' diameter. If however the alloy pipe if plain then going slightly (1mm or so)
smaller will probably improve the strength of the join, but use decent clips like Mikalor.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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MakeEverything
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| posted on 29/12/10 at 10:59 AM |
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The ID of the Silicon hoses should be the same as the OD of the pipe. Youll need a barb or bead to clamp the hose over, otherwise they slide off
occasionally. IVe spent a lot of time on this lately, and they do stretch by up to a millimetre or so, but they dont like it. If they are warm they
become more malleable, so keep a bowl of boiling water to hand when your fitting them.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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