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Old 25 June 2019, 15:18   #1
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Novurania Poseidon 380?

Hi all, I've got one of these and had it near on 17 years now. Early on it had a lot of us but not so much in recent years.

Never the less, it's never too late! So hopefully going to get it out for some use shortly. Thing is, the valves are passing, enough to make it not really useable (be pumping it up every few hours) so I'm hoping someone may be able to recommend how to overhaul or buy these valves new? I've used the search on an old thread but it didn't end up giving me any answers.

Hope you can help

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Old 25 June 2019, 17:32   #2
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I'd guess like most sib valves it's the cap that's the main seal, does that have an O-ring you could change?

With a similar old valve that was blowing by loads I found the central pin on the main valve could be pulled out and I just reversed the diaphragm drove the pin back in and it was fine.
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Old 25 June 2019, 17:36   #3
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Will give that a go. It's the centre valve (perished) that's passing loads. The cap does a good job of sealing it but not enough.
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Old 25 June 2019, 18:58   #4
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https://www.polymarineshop.com/valves/

if you spoke to these guys they may offer replacement valves that fit your holes or might find some new ones of yours might be worth googling poseidon they use to make diving equipment
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