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Thread: Fittings Size

  1. #1
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    Fittings Size

    Hi guys,

    I have a 2" bulkhead drilled in my overflow for drain and a 1" bulkhead drilled for return. I am no expert in PVC so I ask how big should the fittings be? If I get Schedule 40 fittings how big should they be? Firthermore, and more importantly, how big should the piping be? I am using the Stockman design for standpipe.

    Thanks
    st

  2. #2
    Senior Member ReefVan's Avatar
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    Sorry, but I don't understand the question ....

    Van
    It's not junk, it's un-assembled DIY!

  3. #3
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    Sorry Van,

    I have holes of 2" and 1" drilled in my tank. I will buy fittings to connect a Stockman standpipe (which I will build) in the overflow. The question I have is that based on the fitting (e.g. 2" one), I don't know what size standpipe I can make out of it (so it fits). I wanted to get the standpipe built before getting the fitting but now I realize I was working backwards (not being much of a plumber). So generally is a 2" fitting connecting to a 1.5" or 1" pipe? e.g. what diameter of pipe should I get to build the overflow?

    I HTH.

    Thanka again!
    st

  4. #4
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    Sorry Van,

    Forget about it. I'll just get the fittings then head over the PVC store. I'll figure it out from there. Thanks though.

    st

  5. #5
    Senior Member mouse6196's Avatar
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    That's what I do...I can never figure out the sizes so I take it all with me to the store....saves alot of trips.

    The only thing two reef keepers will agree on, is what the third reef keeper is doing wrong!

  6. #6
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    Tell me about it, I wanted to get a head start on the standpipe, but now I have to get the bloody fittings first.. LOL

    Ah the wonderful world of plumbing!
    st

  7. #7
    Senior Member ReefVan's Avatar
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    A 2" buklhead fitting should be good for a 2" o.d pvc pipe, but wait for the bulkhead just in case ....

    Van
    It's not junk, it's un-assembled DIY!

  8. #8
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    thx van, I'll get the fittings tonight, looks like my wait is over... hehe

  9. #9
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    Smile

    definatly wait for the bulkhead! All 2" bulkheads are not created equal as I found out the hard way. The ones available at PVC PLUS are heavy duty and used in the water plant industry. VERY GOOD!

  10. #10
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    Yes they are schedule 80 but my mechanical engineer friend here tells me they are WAY overkill, unless you run like 400psi in them (which would snap your piping anyway), schedule 40 is plenty (I get them from IJO), plus you don't restrict your flow as much cuz those sch80 at PVC plus are migty small inside.
    st

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