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Old 10th September 2007, 15:22   #45 (permalink)
Drmike
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Current Rebreather/s:
MK 15.X
Ouroboros
Other CCR
Home Build

Other Rebreather/s:
Inspiration Classic
Other CCR
Home Build
 
Join Date: Feb 2005
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Re: Options for onboard gas access.

Quote: (Originally Posted by MarcLaukien) View Original Post
I like the simplicity of this solution. However, I have two comments/questions:
  • Even if the QD has a check valve, a small amount of salt water will get into the LP port area of the 1st stage, if the offboard is connected in the water (or even above, if the QD is still wet from a prior dive). Do you consider this a problem?
  • the swageloks I use are self clearing with only a tiny amount of water being allowed in if connected undereater. the LP port area is just a hole - nothing to get damaged by salt water - my bail gas 2nd/1st stages are flooded on most dives - just need to service 2nds from time to time. but yes use a qc underwater and you will get a bit of water in.
Quote:
  • I'm not a regulator expert, but can this be done with all common regulators, such as the DiveRite regulators? Are there regulators that won't tolerate the LP section being pressurized externally without the HP section being under pressure?
its just a cavity in the 1st stage you can connect there or into a inline manifold.
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