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Discussion of diving methods and equipment available prior to the development of BCDs beyond the horse collar. This forum is dedicated to the pre-1970 diving.
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Greg Barlow
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Voit 50 Fathom HP valve

Sat Mar 03, 2007 9:22 pm

Has anyone ever replaced the soft seat in their Voit 50 Fathom reg? Looking at the valve stem assembly, it looks like it wouldn't be an overly difficult part to reproduce. Considering that it is a downstream valve, I would think that the material durometer and material would be similar to that used on a DA second stage poppet seat.

Greg Barlow
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YankDownUnder
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Sun Mar 04, 2007 4:53 pm

It probably is a DA second stage, as U.S. Divers made Voit's regulators.
SeaHuntJerry
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Fifty fathom seat

Mon Mar 05, 2007 12:15 am

Hi Greg,
I had a seat turned down flat on a lathe.
Jerry
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Greg Barlow
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Mon Mar 05, 2007 5:46 pm

YankDownUnder wrote:It probably is a DA second stage, as U.S. Divers made Voit's regulators.
The 50 Fathom is a downstream valve assembly. It is unique to Voit, as US Divers never sold a model using the mechanism.

Greg
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Greg Barlow
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Re: Fifty fathom seat

Mon Mar 05, 2007 5:48 pm

SeaHuntJerry wrote:Hi Greg,
I had a seat turned down flat on a lathe.
Jerry
Jerry,

Did you have a new stem and retainer made, or the soft material refaced?

Greg
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ovalis
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Mon Mar 05, 2007 6:29 pm

Hi Greg,

I have an extra seat if you need one. You had me a little confused about the soft material of the seat, because my seats are pretty hard like a DA high pressure seat.

Mike
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Greg Barlow
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Tue Mar 06, 2007 1:27 pm

ovalis wrote:Hi Greg,

I have an extra seat if you need one. You had me a little confused about the soft material of the seat, because my seats are pretty hard like a DA high pressure seat.

Mike
Mike,

If I could borrow it for a few weeks to have engineering specs drawn up on it it would help a lot. I am going to check to see how much it would cost to reproduce them. I need to check the soft seat's durometer to see if a compartible material is available.

BTW, any luck in getting the 1976 catalog scanned?

Thanks.

Greg
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ovalis
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Tue Mar 06, 2007 3:25 pm

Greg,

No problem on the seat, but let me know if your seat is softer than mine.

I'll email you regarding it.

I haven't got the 76 catalog scanned yet, but maybe by the end of this week.

Mike
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