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Steel tank ID - 3000psi

Discussion in 'Tanks, Valves and Bands' started by gvnick, Nov 8, 2019.

  1. gvnick

    gvnick Garibaldi

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    I recently picked up these two tanks. The one on the right is a Norris 72, it has rings around the top of the cylinder. Kinda cool, wondered if that was common.

    The main question is about the other tank. It’s a PST 3000psi. It is almost the same dimensions as the 72, just a hair larger diameter, and ten pounds heavier. Is this the 95ish tank? I have heard of an MP72 as well... any help would be great. Thank you
     

    Attached Files:

  2. Scared Silly

    Scared Silly Regular of the Pub

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    Pretty sure it is an MP72. You get a full 72 cu.ft. at 3300 psi.
     
  3. Bob DBF

    Bob DBF Solo Diver

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    The MP 72 should be about 4 inches shorter than an old steel 72, at 20.75" tall (take off the boot if it has one to measure).

    I liked the Faber version MP72 for goat trail hikes on the NorCal coast, because of the weight it took off my belt.


    Bob
     
  4. gvnick

    gvnick Garibaldi

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    It is within 1/2 inch in height of the other tank.
     
  5. runsongas

    runsongas Great White

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    AfterDark and gvnick like this.
  6. gvnick

    gvnick Garibaldi

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    Thank you. That clears it up. I dove it last week and came up with more air than my buddy with an AL80 so I assumed it was the bigger capacity.

    Now the other tank. Anyone seen a 72 with rings around the top of the cylinder like that? It's cool looking. That tank was born in 73 and has never been hydro'd since.
     
  7. runsongas

    runsongas Great White

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    If the tank was originally coated, that is likely from the previous owner scraping it off using a lathe
     
  8. AfterDark

    AfterDark Solo Diver

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    I have 2 of those tanks, they sure do cut down on the lead! They get heavier every year. Been thinking of putting the pair connected with an old "cheater bar" manifold on a small raft with a 30ft LP hose attached to my double hose. I could dive all day in 20FSW.
     
    Bob DBF likes this.
  9. AfterDark

    AfterDark Solo Diver

    # of Dives: 1,000 - 2,499
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    I doubt it, it's a factory galvanized tank. I've got a couple 72's with the same markings. It's just manufacturing marks that may or may not happen depending on the tooling used.
     
  10. runsongas

    runsongas Great White

    # of Dives: 500 - 999
    Location: California - Bay Area
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    Some of the galvanized tanks were overcoated with vinyl originally
     

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