co2 diffuser

Discussion in 'Carbon Dioxide (CO2)' started by gzylo, 21 Dec 2009.

  1. gzylo

    gzylo Member

    Messages:
    108
  2. andyh

    andyh Member

    Messages:
    1,933
    Location:
    Derby

    As always with these things never straight forward.

    In my opinion If your 405 uses 17mm internal diameter you will want to buy the 16-22mm one. Its the old metric/imperial conversion problems
     
  3. gzylo

    gzylo Member

    Messages:
    108
    thanks!

    I was thinking same but need second opinion :)

    thanks again
     
  4. Dolly Sprint 16v

    Dolly Sprint 16v Member

    Messages:
    1,611
    Location:
    Cheshire
    Gzylo

    My understanding of the above product is that there is 1 type of diffuser but you have to state the tail size you require.

    Atomizer with 8 - 12mm connections
    Atomizer with 12 - 16mm connections
    Atomizer with 16 - 22mm connections

    The 8, 12 and 16mm refers to internal pipe diameters - this ensures correct interference fit to the atomizer tails and the 12,16 and 22mm are external pipe diameters - this will ensure that the plastic locknut will secure the pipe in position and a radial force is applied to prevent leaks.

    Regards
    paul.
     
  5. gzylo

    gzylo Member

    Messages:
    108
    Hi Flyfisherman

    I know what the sizes refers to but do not know how :).

    I do think I should use 16-22mm diffuser.



    Thanks Flyfisherman!
     
  6. Dolly Sprint 16v

    Dolly Sprint 16v Member

    Messages:
    1,611
    Location:
    Cheshire
    Look at it this way: 16mm is the internal bore of the pipe and 22mm is the outside diameter of the pipe, take 16mm from 22mm and it leaves you with 6mm, divide this by 2 and it gives you the thickness of the wall of the pipe 3mm don't forget there are two walls - one either side of the pipe or looking face on at a piece of 16/22mm pipe

    Wall thickness = 3mm
    Internal bore of pipe = 16mm
    Wall thickness = 3mm
    Overall diameter = 22mm

    Regards
    paul.
     
  7. gzylo

    gzylo Member

    Messages:
    108

    Right...

    So if fluval 405 internal bore pipe is 17mm then I should use Atomizer with 12 - 16mm connections so I can actually fit it on the atomizer. Did I understand what you said?
     

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