Question [Poll] Have you needed a manifold?

Out of necessity on a real dive, I have:

  • Never actually needed to close any of the valves on a manifolded twinset.

    Votes: 17 38.6%
  • Closed one valve because of an unstoppable regulator freeflow that spontaneously began underwater.

    Votes: 8 18.2%
  • Closed one valve because a leak in the DIN or yoke connection that occurred while on the dive.

    Votes: 11 25.0%
  • Consumed [nearly] ALL gas from both cylinders, with one failed regulator and one closed valve.

    Votes: 0 0.0%
  • Never actually needed to close the manifold valve on a twinset rig.

    Votes: 15 34.1%
  • Closed the manifold valve because of a leak in one side of the manifold.

    Votes: 3 6.8%
  • Closed the manifold valve because of a cylinder o ring failure that _occurred while diving_.

    Votes: 0 0.0%
  • Other useful twinset-specific action [please describe?]

    Votes: 3 6.8%

  • Total voters
    44

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Just use the top knob on my tyre pumper, took the bottom knob off so it doesn't roll on

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and it didn't fit
 
The doubles I used most had a manifold without an isolation valve. I kind of like that configuration, but with less than 50 dives on the setup I never had to do any shutting off of valves at all, other than drills.
 
It kinda fits into the others above, but I've had hose failures underwater and have had a second stage come unscrewed from the LP hose, and have had a DIN ring spontaneously decide to stop sealing. Except for the hose failure it was fixable underwater.
 
http://cavediveflorida.com/Rum_House.htm

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