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Compass Marine How To | all galleries >> Welcome To >> Seacock Failure Testing > The Inboard End
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The Inboard End

The Inboard End

On the inboard end there was just 7/8" of exposed thru-hull which, as I previously mentioned, mimics the installations I see on a daily basis. When I see a valve on a thru-hull I rarely if ever see them cut shorter. It would certainly help to make the assembly shorter but I just don't see it done very often in the real world.

Even if I managed to get the valve within 1/8" of the thru-hull nut, and then moved the load to the proper positioning for ABYC H-27, the thru-hull would have still failed at well below the standard of 500 pounds at the innermost position of the assembly for 30 seconds..

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