Forums > Kitesurfing General

New Valves

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Created by gokid > 9 months ago, 24 Aug 2013
gokid
QLD, 491 posts
25 Aug 2013 1:49AM
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Has anyone had any problems with their valves on there bladders coming off ?

I have 4 kites 2 different brands, and over the last 12 months have had to reglue every single valve back on,thats around 35 valves,you would think if we could send a man to the moon and do all the amazing enginneering things that are being done,that it would be a simple thing to stick a plastic valve on to a plastic bladder.

I met a plastics enginneer in my travels and showed him the valves and the bladders,he said that the valves and the bladder were 2 dissimilar plastics and that they were never really designed to go together in the first place, and that they were heated together,not glued.

He examined the valves and said that when they were heated together that not enought heat was applied or that the heat was not held long enought

Somebody told me that Cabrinba kites valves are moulded into the bladder and not glued or heated together,but I can not find anything on the internet that confirms this,thats sounds like a much better way to build a bladder

All the valves started coming off just out of warranty,I hate how most people get new kites after each season,its alright if you can sell your old kites but if you can not then it becomes very expensive to replace 3 kites every year



TurtleHunter
WA, 1675 posts
25 Aug 2013 12:16AM
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I remember those problems it's been a while though
just glue them back on or stick new ones on.
Hopefully your next kite has more permanent valves

cauncy
WA, 8407 posts
25 Aug 2013 7:59PM
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It's a false economy, once a valve delaminates the others arnt far behind, just but a new bladder.

25 Aug 2013 11:17PM
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Kite-Fix stick on valves are permanent, they don't come off again in my experience. If it was just out of warranty take it back to the shop they should help you out. I have never seen a Cabrinha valve come off since 2008, and even then it was only 1 or 2 inflate valves, never seen a one pump valve come off.

gokid
QLD, 491 posts
26 Aug 2013 2:20AM
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thanks for the advice cauncy and kitepower

Mark _australia
WA, 23478 posts
26 Aug 2013 12:30AM
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Select to expand quote
gokid said...
[br]Has anyone had any problems with their valves on there bladders ...?




When you get to about 60 or 70 years old I am told.

Keep using the bladder/sprog valve as much as you can and you can delay onset considerably.
Oh and when you finally need a test, find a female Doc and ask for the old way of doing it. I'm told.




lostatsea
WA, 147 posts
26 Aug 2013 9:23AM
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Select to expand quote
Kitepower Australia said..

Kite-Fix stick on valves are permanent, they don't come off again in my experience. If it was just out of warranty take it back to the shop they should help you out. I have never seen a Cabrinha valve come off since 2008, and even then it was only 1 or 2 inflate valves, never seen a one pump valve come off.


Ive had two Air time stick on valves out of 10ish fail/ delam on base (lasted a year so still happy it), I replaced the two that failed with airtime valve traps from WOK, they seem a good fix and are half the price of any stick on valve

Hey steve when say one pump valve did you mean the slingy one pump or cab sprint one pump? just curious




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"New Valves" started by gokid