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Old 15 March 2015, 16:32   #1
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Ease or cost of fitting pressure relief valves

Hi guys, I am currently toying with the idea of using storage for my RIB but am a little concerned that my boat doesn't have pressure relief valves fitted and it won't just be on the drive for me to let down when they look a bit full.

Can anyone tell me how easy it is to fit pressure relief valves in hypalon tubes (5 for my 5 chambers) or is it better to get someone who knows what they're doing to do it? If so, any idea on price?

Thanks.


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Old 15 March 2015, 18:02   #2
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For the short term just deflating the tubes slightly and reinflating when you're going to use the boat will work just as well.
I've had PRVs for 3 years now and the total net result is that my tubes are slightly deflated to the same level after a hot day, but not enough to affect them in storage. I still have to reinflate once she's afloat.

Get someone who knows what they're doing to fit them if you have them fitted.
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Old 16 March 2015, 05:24   #3
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Cheers Nos4r2, after looking around and doing further investigation I think I'm going to go with deflating them after use for now. I may look to fit PRVs later on, but not just yet.
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Old 16 March 2015, 10:21   #4
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Probably about 0.75 - 1.5 hr labor per OPV installed. Depends on technician skill.

Easiest way : Cut a 15cm diameter "donut" patch, install the OPV in it...then cut a hole big enough for the backside of the OPV to slip through. Then glue the donut on...there should be a fairly large amount of overlapping material

To ensure bond strength, I would probably glue it on with the OPV in place, then disassemble it so the backpiece falls in to the boat, then figure out a way to clamp the "donut patch" on while it is curing.

Leafield A6 pressure relief valves aren't too expensive.
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Old 16 March 2015, 10:27   #5
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I fit 3 of these in less than 30 mins, just be brave with the stanley knife.

Leafield A6 Pressure Relief 3.25psi HEN002141 - Henshaw Inflatables Ltd
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