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    jrs2626's Avatar
    jrs2626 Posts: 3, Reputation: 1
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    #1

    Feb 6, 2013, 01:17 PM
    Rusty pipe
    Is it possible to cap a rusty galvanized pipe that is in my yard?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Feb 6, 2013, 01:26 PM
    Sure it is possible, but what is the pipe?
    jrs2626's Avatar
    jrs2626 Posts: 3, Reputation: 1
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    #3

    Feb 6, 2013, 03:06 PM
    Quote Originally Posted by massplumber2008 View Post
    Sure it is possible, but what is the pipe?
    It is a pressurized water pipe to a faucet in the garden. One inch.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Feb 6, 2013, 03:42 PM
    Clean the threads as best you can with a wire brush or a triangle file, slather on pipe dope and put on a galvanized pipe cap. Or are the threads gone?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #5

    Feb 6, 2013, 05:01 PM
    If threads are broken off you can dig to below the ground abit and find the next fitting and then see if you can remove the pipe from the fitting and then plug the fitting (would need 2 wrenches for this).

    Another alternative would be to rent a 1" pipe threader and cut a new thread onto the pipe and then cap the line after that.

    Your thoughts?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #6

    Feb 6, 2013, 05:08 PM
    1" is quite large for a faucet line. Are you measuring the outside of the pipe?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #7

    Feb 6, 2013, 05:15 PM
    Good point, Brian... probably a 1/2" galvi. line with a 7/8" OD. I noted the change in my post above calling for a 1/2" threader!
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #8

    Feb 6, 2013, 05:16 PM
    Where do you live, does it ever freez there?
    jrs2626's Avatar
    jrs2626 Posts: 3, Reputation: 1
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    #9

    Feb 6, 2013, 09:02 PM
    Thanks for all the info. The outside diameter is about an inch but the pipe is very rusty. There are no threads where the leak is, and I am guessing the pipe is over 50 years old. And yes it freezes her in Albuquerque. I do not need the pipe, so I just want a permanent fix so it will no longer leak.

    I'm guessing I will have to follow the pipe back to the nearest junction and try to cap it there. Someone suggested that I use a sharkbite on a cut section, though I thought because of the rust and unevenness that this would not work, at least not long term.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #10

    Feb 6, 2013, 10:03 PM
    Go back to the nearest fitting, remove the pipe and install an insert plug or a cap. Probably 1/2 IP.
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