rite hole size for fittings???

Discussion in 'General Discussions and Advice' started by JAM, 8 Nov 2010.

  1. JAM

    JAM

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    Ok guys so I'm ordering my glass this week and they are going to drill the holes for me aswell but I'm not sure what size hole to drill for 32mm fittings for my overflow? Not gonna b able to get away from work this week to check it out myself.... Help please???
     
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  3. Nemos Janitor

    Nemos Janitor

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    Your talking about 32mm fittings........

    32.5 if you just want the pipe to fit through.

    32 by ? By ? fittings are many. Need to know the thread size.

    But why are you using 32mm? what is your tank size? 40mm fittings one can get from any builders as 50mm. Standard plumbing.
     
  4. herkie

    herkie R.I.P.

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    I have drilled quite a few holes with the diamond tipped tools(Tile drill) that looks like the hole saws for making holes in wood. The hole you get with a for instance 32 mm drill is always about ,5-1 mm bigger that the drill. If they use the same method I would say 32mm would be ok. A Dremel takes care of small protrusions preventing the bulkhead fitting to go through the hole - just be careful and take it slow.
     
  5. JAM

    JAM Thread Starter

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    Bieng dumb here but what is a bulkhead? On my current tank I have a fitting that comes out of tthe tank with a thread on it that a 90 bend can screw on.was thinking 3 32mm. Pipe outlets on my overflowm 1200x600x600 tank size
     
  6. Nemos Janitor

    Nemos Janitor

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    Sorry for slow response bud but this 3G thing from Vodacom is the pits. takes for ever lately.

    Best is to post a sketch or link of what you want to do. But IMHO one 40mm should do. The less holes the the stronger the build.
     
  7. Tremayn

    Tremayn

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    bulkhead is the fitting that allows you to connect the pvc pipe to the tank
     
  8. JAM

    JAM Thread Starter

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    ok thanx that helps tremayn. so besically if i want to use 32mm piping i drill a 32mm hole for 32mm bulkhead? or 40mm pipe- 40mm hole for 40mm bulkhead???
     
  9. AfricaOffroad

    AfricaOffroad

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    Jam, go buy the fittings you want, then cut the hole/s in the glass.
    Astore, Columbine Rd, just off North Coast road.

    You are also welcome to come check my tank out to see various fittings and layout options.
     
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