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Old 07 July 2016, 15:21   #1
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Which Mirada pressure relief valve - Zodiac 470

Hi,

First post, new member.

I`ve been reading this forum for years, but never joined. Thanks to everyone posting. Furthermore please excuse my english. If`s any comfort, I can assure you that my Norwegian is superb.

After owning a lot (!) of different inflatable boats I finally got my hands on a (military surplus) Zodiac FC 470. I will never go back.

Two questions;

1, Which Mirada pressure relief valve fits FC 470?

High FlowThreaded - Mirada Research

Is it the B-51343-4 or the B-51343-1 maybe? Please give me an advice.

2, Which plugs fits the same holes as the over pressure relief valves and where can I get them? According to the F470 Field Service Manual I found online, the Zodiac part number is z2936, but I can't find a dealer. Maybe I can use some of the Mirada plugs? Adapters & Plugs | Mirada Research
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Old 08 July 2016, 03:57   #2
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hi mate welcome the boys over the pond will be along soon but try google for the hand book i did the other day and it comes up might have all you need and more

great boat by the way cheers
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Old 08 July 2016, 06:23   #3
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Thanks, mate. I`ve followed your advice and read the handbook/manual.

The handbook says that Halkey Roberts overpressure valve can be used. They are 4 - 4.9 PSI. The Mirada valve B-51343-1holds 4.0-4.3 PSI, so I guess this is the right Mirada Valve?

The Halkey roberts valve (z3862) sells $40 on ebay (old stock surplus). The Mirada sells for 23 new.

I`m on a budget so I go for the Mirada Valve, if anyone can confirm it is the right one, and that it fits a FC470.

Thanks,

Brage
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Old 08 July 2016, 06:46   #4
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Quote:
Originally Posted by Brage View Post
Thanks, mate. I`ve followed your advice and read the handbook/manual.

The handbook says that Halkey Roberts overpressure valve can be used. They are 4 - 4.9 PSI. The Mirada valve B-51343-1holds 4.0-4.3 PSI, so I guess this is the right Mirada Valve?

The Halkey roberts valve (z3862) sells $40 on ebay (old stock surplus). The Mirada sells for 23 new.

I`m on a budget so I go for the Mirada Valve, if anyone can confirm it is the right one, and that it fits a FC470.

Thanks,

Brage
i guess its down to with the Miranda valve if it fits the hole with no leaks and its within the pressure relief band which it is and to the better blowing off at at max of 4.3 psi rather that 4.9 psi its got to be a winner at 50% of the cost
at the end of the day it just a rubber mushroom yielding to pressure.

cheers
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Old 09 July 2016, 06:36   #5
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The Mirada valve does not fit in the Halkey Roberts base. The Mirada valves are larger in diameter than the Halkey Valves.
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Old 09 July 2016, 10:59   #6
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The Mirada valve does not fit in the Halkey Roberts base. The Mirada valves are larger in diameter than the Halkey Valves.
Thanks!! That is "must know" info. How can I know which fits my boat?

Regards,

Brage
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Old 10 July 2016, 08:54   #7
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Post a picture of the pressure relief valves on your boat
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Old 12 July 2016, 09:54   #8
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Post a picture of the pressure relief valves on your boat
Thanks. The bolt fits the valve.

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Old 12 July 2016, 21:51   #9
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Looks like Mirada. The Halkey Valves are recessed a little into the tube.
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Old 13 July 2016, 06:28   #10
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Country: Norway
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Quote:
Originally Posted by cgoing View Post
Looks like Mirada. The Halkey Valves are recessed a little into the tube.
Ok, thanks.

I've ordere two Mirada B-51343-1 valves and some plugs. They will ship on 21 of july. I will give you an update with picures when they arrive.

Thanks,

Brage
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