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    GD2BKG's Avatar
    GD2BKG Posts: 2, Reputation: 1
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    #1

    Mar 18, 2009, 10:11 PM
    Bend 1/2" copper pipe 180 degrees
    Building a solar panel and need to run the pipe in parallel...
    tboverton's Avatar
    tboverton Posts: 3, Reputation: 1
    New Member
    		  
    #2

    Mar 18, 2009, 10:21 PM

    Use two 90 degree fittings with a 1 inch section of 1/2" pipe sweated in is the best way I know how to do it. If you bend it any sharper than that it will kink the tubing and leak or restrict flow. Flexible 1/2" tubing is available but and it will not form a 180 degree turn of a smaller radius than what I described. If you need other than stright sections the flexible tubing uses standard copper fittings.
    GD2BKG's Avatar
    GD2BKG Posts: 2, Reputation: 1
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    #3

    Mar 18, 2009, 10:37 PM
    Thanks for the advise... want to do it right!
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #4

    Mar 18, 2009, 11:17 PM

    In addition to previous advice: if you look for tight turn, use 90 and street 90...

    However, if you don't care how tight the turn is than I would suggest that you use Bending Tool and create that 180 degree turn using Soft Copper. That way you will eliminate sharp turns and at least 4 soldered joints. Also, water will flow better through that turn with less friction and less noise.
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    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #5

    Mar 19, 2009, 04:58 AM
    All good solutions but why go to the hassle of building one out of fittings or bending soft copper when you can purchase a return bend already made, (see image)?
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