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In a message dated 98-02-03 22:07:57 EST, tonym510@fl*.co* writes: << From: tonym510@fl*.co* (Tony Matheis) To: techdiver@aquanaut.com (Tech Diver) Why are you diving yoke instead of Din? Wouldn't that eliminate the tank-o-ring as a failure point????? >> The tank O-Ring is the seal between the tank and the valve. This has nothing to do with the type of valve used. The O-Ring that seals the regulator to the valve is much better protected by a DIN valve but it certainly does not "eliminate" it as a failure point. A valve-to-regulator O-Ring failure (either yoke or DIN) is handled by valving off that regulator and switching to an alternate regulator mounted on the other valve. A tank-to-regulator O-Ring failure or a failure of a valve or burst disk requires a crossover valve to be closed in order to save the gas in the other tank. Dive safely, Dale -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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