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Old 24 August 2021, 16:43   #1
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Avon relief valve

Hi all
Do the Avon adventure 620 hypalon tubes come fitted with pressure relief valves?
Found 3 fill locations but nothing that looks like a relief valve
Thanks
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Old 24 August 2021, 22:42   #2
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I've never seen any leisure Avon that came fitted with PRV. That's not to say there isn't one out there with them, but in my experience, they were not standard fit.
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Old 25 August 2021, 02:50   #3
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No, certainly not by standard from Avon. And having owned one from new a number of years ago and been on many other 620's with friends, I don't recall them being an option.

3 valves sounds low as well, unless they changed in later production. Certainly in 2000-ish our new 620 had 5 valves I think, 4 along the lengths of the tubes either side and 1 right up in the bow.
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Old 27 August 2021, 03:57   #4
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Pressure Relief Valves can be retro fitted if required. I'd recommend a Leafield Marine A6 Pressure Relief valve in black or grey body colour (which ever matches the other valves) and then white dot (2.75psi). This would mean patching the valve in though, so not a small 5 minute job. Here are the instructions we provide with valve replacement kits and the process would be the same for fitting A6s: https://www.ribstore.co.uk/pages/rep...ble-boat-valve

Hope the instructions gives you an idea as to whether you feel it's a worthwhile task to do and whether you would undertake it yourself.

Sam
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Old 27 August 2021, 03:58   #5
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Ya turns out I have c7 valves instead
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Old 27 August 2021, 04:01   #6
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Quote:
Originally Posted by jamesd2021 View Post
Ya turns out I have c7 valves instead
Leafield Marine C7s are fantastic inflation/deflation valves and last ages and if they do start to leak repair kits are really simple to install too.
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Old 27 August 2021, 04:14   #7
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My issue is that one of them unscrewed itself from the inner and popped off. Can they be fitted without cutting the tube and is it bad to Leave the other bIt floating around inside the tube?
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Old 27 August 2021, 04:19   #8
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My issue is that one of them unscrewed itself from the inner and popped off. Can they be fitted without cutting the tube and is it bad to Leave the other bIt floating around inside the tube?
Deflate the chamber with the valve issue (and possibly the one next to it). Have a good feel around for the nut / back part and you should be able to wiggle it back into place (hopefully without dropping it again).

Once it place, screw the front/bolt/male part into the nut by hand. Tighten by hand as much as you can. Inflate the tube and then use the valve spanner to tighten the valve fully. https://www.ribstore.co.uk/products/...3bf02178&_ss=r
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Old 27 August 2021, 04:21   #9
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In the event I can't find the back, is it bad to Leave it in the tube
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Old 27 August 2021, 04:32   #10
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In the event I can't find the back, is it bad to Leave it in the tube
It's definitely in there and they shouldn't cause an issue left in, but it will bounce about. And if you have to fit a new back in, then you will have to create a hole so getting the valve back out shouldn't be an issue.

I'd suggest getting it out, and roping in a helping hand in helping hold the fabric in place and helping work the valve towards where it should be!
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Old 27 August 2021, 04:34   #11
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It's definitely in there and they shouldn't cause an issue left in, but it will bounce about. And if you have to fit a new back in, then you will have to create a hole so getting the valve back out shouldn't be an issue.

I'd suggest getting it out, and roping in a helping hand in helping hold the fabric in place and helping work the valve towards where it should be!
So do I need to cut the tube to fit a new back? I thought it could just stretch around it
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Old 27 August 2021, 04:36   #12
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Is the back broken - this is very rare if it is! If the back's not broken, re use it is my advice. If the back is broken you won't be able to force a new back it through the hole unless the hole is already oversized, so you would need to cut t larger hole and patch it.

By all means drop me a call if you wish - 01491 340010
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