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  • Users: truckpoor
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  1. truckpoor

    Converting an air leak rate to helium leak rate

    I'm hoping I can get some help here, as I'd like someone to reassure me this is as easy as it seems. We've got a gage that we're having manufactured that has to be leak tested at 5000 psig for not less than 3 minutes and the air equivalent leak rate not to exceed 5x10-5 atm cc/sec. The...
  2. truckpoor

    Metric Screw Thread Callout

    Hi All, new memeber. Have a question on how to dimension a screw thread. It's metric, 16mm with a pitch of 1.0mm. Need to tap a hole with this type of thread. Am using the ANSI Y14.5M-1994. All I can find in my references are a minumum nominal size, threads per inch, thread form and...

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