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  1. omar

    long vs large

    So since the thread disappeared lets try this again. What is the measurement from the top of the plate to the top of the slot for the routing of the strap at the waist for the long plate and the large plate. Thanks
  2. omar

    Overpressurizing / Overfilling steel tanks

    For the liability conscious straight from the Code of Federal Regulations (CFR): 49 CFR 173.302 - Charging of cylinders. (b) Filling limits (Ref. 173.301 (e)): "Container pressure. The pressure in the container at 70° F. must not exceed the service pressure for which the container is...
  3. omar

    Dive protocols & mix

    Qualifier: This is not a DIR thread (pro or con) if you want to discuss the DIR stuff take it some where else. If it starts to go that way I will ask a moderator to move it! Mike, Trimix: (O2/He/other) 300’ --> 12/60/28 500’ --> 7/80/13 Heliox: 300’ --> 12/88 500’ -->...
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