Quote:
Originally Posted by Jon Stratis
R70:
Emphasis mine.
Honestly, this backpack scares me from a safety perspective. What happens to the unlucky person wearing it if a tank should explode? As an LRI, I would insist it be removed from the venue, and I bet the UL Safety advisors would agree.
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The solution to that safety issue is to put an OPV at every stage of the system, including one at each end of the tank, and set to 65% of the tank's pressure rating. This way, you have a redundant safety mechanism with about a 50% safety margin. With four tanks, you do this to each tank. In the case that a tank does fail, the frame of the pack should be designed to at least somewhat protect the user.
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