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  1. ewcrabtree

    Thermal contraction / vacuum rating

    Thanks y'all. I appreciate the help! The wall thickness is, indeed, greateer than 0.004" -- 0.065" for 16 BWG SS tubing.
  2. ewcrabtree

    H.B.C. ring media for sewage treatment plant

    I'm not familiar with "H.B.C. Ring" media, but at 30 mm diameter in an aeration basin, it sounds like a moving bed bioreactor, similar to a Kaldnes (http://www.kaldnes.com/) media reactor I worked on. I think the Kaldnes media we used were closer to 15mm, but same principle. If so, then the...
  3. ewcrabtree

    Thermal contraction / vacuum rating

    I have a section of small diameter (3/8") tubing that will be isolated between two closed valves, capturing hot water between the valves. When the water drops to ambient temperature, density changes will create a vacuum of an estimated 1 to 1.5 psia between the valves (Reverse of thermal...
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