Holes size for PVC piping

Discussion in 'Anything DIY Related' started by 2balive, 18 May 2007.

  1. 2balive

    2balive

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    What hole size to I need to drill for a 1' PVC pipe/nozzel?

    And a 1 1/2' one?

    Do you know of a site that list them all?

    Allso looking for elbow and other fitting sizes/lenghs?
     
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  3. Galibore

    Galibore Retired Moderator

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    Len, I might be wrong here, but don't you mean 1" (inch)?

    In any case, what do you want to drill the holes into?

    If glass, then drill with a bit that's the same size as the fitting/pipe. Gives you a nice snug fit.

    You can visit FAB in randburg (Oxford rd) for all fittings and pipe. If you don't come right, there is Water plant on ontdekkers rd but they are a bit on the expensive side.
     
  4. Galibore

    Galibore Retired Moderator

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    The standard sizes are:

    20mm
    25mm
    32mm
    40mm
    50mm

    Someone can correct me if I'm wrong. The shops generally don't use inches and feet etc for PVC fittings. It's all mm. But if you are comfortable that unit system, then have a look on the fittings themselves, usually it says 3/4" etc.
     
  5. 2balive

    2balive Thread Starter

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    mmm, going to be interesting, ordered a Canadian wavemaker that has a 1 1/2 " inlet and a 1" outlet, hope I can find fittings :eek:hmy:
     
  6. Galibore

    Galibore Retired Moderator

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    Len,

    IME getting pipes to fit is the easy part of any project....lol.
     
  7. 2balive

    2balive Thread Starter

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    Don't be nasty, the last time I tried to do pipes I flooded my house.

    This time I am going to put it on CAD first, pretend for two days that I do it, and then get a plumber to come a "check" it ;)
     
  8. Copperband

    Copperband

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    Len

    As I see it you can use the 25mm PVC for the 1" outlet and for the 1.5" inlet use 40mm all you do is get 32mm clear hose and use it to do the connection between the wavemaker and the piping. If the .4mm gives you hassles on the 1" outlet do the same with 20mm hose.
     
  9. Bob the (reef)builder

    Bob the (reef)builder

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    You will absolutely find a 1 and 1.5 inch theaded fitting at fab, the threaded sides are always measured in inches. Its the glue-in sides that use mm.

    I always cut the inlet and outlet holes to 50mm, Fab has a great set of male and female 50mm conectors that work as a great tank connector (ie the fitting that goes through the holes.) up to 20mm bottom glass.

    This way you can then very easily reduce the pipe sizes with bushes, cheaply and easily, and you tend not to run into the problem if too small a hole.

    You will have no problem Len, whether you want to go rigid or soft piping.
     
  10. Reefdiver

    Reefdiver Truly wet behind the ears

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    1" = 2.54cm
     
  11. Waynan

    Waynan

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    Just be careful the inch sizes are often the inner diameter while the mm sizes we use are the outer dimensions, such as an effast fitting marked as 30mm is actually a 1" fitting according to the markings on the part, I will take a pic tonight if I remember...
     
  12. Waynan

    Waynan

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    Here is a pic:

    [​IMG]
     
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