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Basic hose and joiner - simple silly question

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Old 03 July 2012, 02:48 PM
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EddScott
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Default Basic hose and joiner - simple silly question

So I want to join two hoses together which I think are about 19mm internal diameter. The joiner inner dia is 16 with a 1.5 body - so thats my 19mm and the one I need - yes?

Its for a car coolant system I'm slightly modifiying. I assume its ok to have a slightly smaller bore (the joiner) in the coolant system?
Old 03 July 2012, 03:04 PM
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19 - 16 = 3

3/2 = 1.5

So you'll have 1.5mm 'concentric gap' all the way around the hoses and joiner. Quite a lot.... But the jubilee clips should be able to tighten no problem.

Just make sure you get the car upto temp then go for a test drive near to your house, to check for water-tightness...

Last edited by joz8968; 03 July 2012 at 03:11 PM.
Old 03 July 2012, 03:07 PM
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...Oops sorry, misread...


You say the joiner's INNER dia. is 16mm... but its walls are 1.5mm thick?

In that case its outer dia. will be 16 + (1.5 x 2) = 19!

Perfect!

Last edited by joz8968; 03 July 2012 at 03:09 PM.
Old 03 July 2012, 03:13 PM
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EddScott
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Cheers, thought so. Just wanted to check before ordering the hose.

My Audi diesel has had its DPF and EGR valve removed but still has the EGR cooler. I have a blank plate for the exhaust port but need a way to join the two coolant hoses.
Old 03 July 2012, 03:39 PM
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Are you sure though, that the joiner's quoted dia. is for its INNER dimension?!

As normally it's the OUTER that's quoted (as in 99% of the time, hoses go around the OUTSIDE of joiners).

I'd double check the wording...
Old 03 July 2012, 05:58 PM
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DCI Gene Hunt
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Thank me later
Old 03 July 2012, 06:01 PM
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Old 03 July 2012, 06:21 PM
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David Lock
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Originally Posted by DCI Gene Hunt


Thank me later

You've missed a tan on the 14th equation. Pretty obvious really

dl
Old 04 July 2012, 09:30 AM
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EddScott
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Originally Posted by joz8968
Are you sure though, that the joiner's quoted dia. is for its INNER dimension?!

As normally it's the OUTER that's quoted (as in 99% of the time, hoses go around the OUTSIDE of joiners).

I'd double check the wording...



This is the joiner - it is quoted as 16mm inner dia with a 1.5mm wall.

One of these



Going in here.



At the back you can see two black pipes going into the metal thingy (cooler) Although they look like a 180degree would fit the top hose is actually angled. A 130 should be about right if I cut down the top hose. The really shiney bit under the cooler is the DPF delete pipe - looks a bit like a de-cat downpipe for a scoob.

Last edited by EddScott; 04 July 2012 at 09:33 AM.
Old 04 July 2012, 08:36 PM
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Edd, make sure you check the length of the hose joiner.
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