Passiv Addition Valve

WD8CDH · 18th January 2008, 17:14

Hi,Can anybody suggest a second stage valve to use for a Passive Addition Valve to use with a PSCR? I am looking for one that can be used all by it'self without the second stage housing and just installed in a thru hole. Something similar to what is in the RB80. I would prefer something that uses Conshelf 14 parts but that is not required.The Conshelf 14 metal second stage won't work for me because the body is required to keep everything together.Thanks,Ron

gtzavelas · 18th January 2008, 17:54

hi, my RECY'01 used the SL40 of Seaman Sub that seems to be a verry good fit for this application. however i heard that they stopped production but at least here i could found spares/extra second stages.
you can see pics of the 2nd stage and the setup here:
http://www.rebreatherworld.com/semi-...tear-down.html

good luck!
george

DanFountain · 18th January 2008, 18:33

Most any plastic second stage will have a metal valve assembly that would work - older Sherwoods for sure. High performance not needed.

-Dan

WD8CDH · 18th January 2008, 21:51

Quote: (Originally Posted by DanFountain)

Most any plastic second stage will have a metal valve assembly that would work - older Sherwoods for sure. High performance not needed.

-Dan

Sounds like I should look for a plastic US Divers second stage. It would be more likely to use the Conshelf valve seat.Thanks,Ron

18th January 2008, 17:14	#1 (permalink)
WD8CDH New Member Current Rebreather/s: MK 15.X Other CCR Other SCR Home Build Other Rebreather/s: Not Bought Yet Other CCR Other SCR Home Build Join Date: Dec 2007 Location: NY Posts: 69	Passiv Addition Valve Hi,Can anybody suggest a second stage valve to use for a Passive Addition Valve to use with a PSCR? I am looking for one that can be used all by it'self without the second stage housing and just installed in a thru hole. Something similar to what is in the RB80. I would prefer something that uses Conshelf 14 parts but that is not required.The Conshelf 14 metal second stage won't work for me because the body is required to keep everything together.Thanks,Ron
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18th January 2008, 17:54	#2 (permalink)
gtzavelas Rebreather World Writer Current Rebreather/s: Megalodon RB80 / Clone Other Rebreather/s: RB80 / Clone Join Date: Jan 2006 Location: Athens,Greece Posts: 264	Re: Passiv Addition Valve hi, my RECY'01 used the SL40 of Seaman Sub that seems to be a verry good fit for this application. however i heard that they stopped production but at least here i could found spares/extra second stages. you can see pics of the 2nd stage and the setup here: http://www.rebreatherworld.com/semi-...tear-down.html good luck! george
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18th January 2008, 18:33	#3 (permalink)
DanFountain This is my custom title! Current Rebreather/s: Home Build Other Rebreather/s: Home Build Join Date: Dec 2005 Location: Lake Superior Posts: 103	Re: Passiv Addition Valve Most any plastic second stage will have a metal valve assembly that would work - older Sherwoods for sure. High performance not needed. -Dan __________________ Try not. Do - or do not. There is no try. -Yoda
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18th January 2008, 21:51	#4 (permalink)
WD8CDH New Member Current Rebreather/s: MK 15.X Other CCR Other SCR Home Build Other Rebreather/s: Not Bought Yet Other CCR Other SCR Home Build Join Date: Dec 2007 Location: NY Posts: 69	Re: Passiv Addition Valve Quote: (Originally Posted by DanFountain) Most any plastic second stage will have a metal valve assembly that would work - older Sherwoods for sure. High performance not needed. -Dan Sounds like I should look for a plastic US Divers second stage. It would be more likely to use the Conshelf valve seat.Thanks,Ron
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