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  1. #1
    Join Date
    Jan 2009
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    Not in Iran
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    1,093

    Hey guy., check out this question!!!

    Looking at a project, project includes change butterfly Nd new pump,
    Instead of draining building, I heard of a practice that freezes the pipe for a few hours to be able to change valves., awesome .
    What u guys think?
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  2. #2
    Cold Shot Pipe Freeze kits... http://www.pipemanproducts.com/Coldshot.html Pretty neat when you have a property with a common boiler for hot water.
    (The wise men of modern thought) adore a god made of putty or of wax - plastic, effeminate, molluscous, with no masculine faculty about him, and no quality that entitles him to the respect of just and honest men, for a being who cannot be angry at wrongdoing is destitute of one of the essential virtues, and a moral Ruler who is not angry with the wicked, and who refuses to punish crime, is not divine. ---Spurgeon

  3. #3
    Join Date
    Jul 2001
    Location
    Canada
    Posts
    1,813
    Used it a few times in the PAST , worked great but no time to dilly dally on the job so make sure you have everything you need close by and handy.

  4. #4
    Join Date
    Jan 2009
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    Not in Iran
    Posts
    1,093
    Hot tap someone mentioned to me.,
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  5. #5
    Join Date
    Feb 2010
    Location
    Landis North Carolina
    Posts
    528
    Ive used them on municipal water line and they work great. The one I used was CO2 and as long as the water insnt moving its fine.

  6. #6
    Join Date
    Jul 2000
    Location
    Dallas,Texas
    Posts
    4,956

  7. #7
    Join Date
    Dec 2009
    Location
    Southern US
    Posts
    504
    The bang when the plug thaws and slaps down the pipe to the first bend always make me nervous. And like stickinit said the water cant be moving, if you are to close to a tee with water moving on the other line it can give you a fit.
    I'm good at making things cold...You can ask my first two wives!

  8. #8
    Join Date
    Mar 2011
    Posts
    258
    A pipe freeze works great.... as long as you know what you're doing.

    There is a mechanical contractor down here in Miami that specializes in pipe freezes. He uses liquid nitrogen pumped through a jacket wrapped around the pipe. Pretty awesome.

    Find someone in your area with experience doing this.

  9. #9
    Join Date
    Mar 2011
    Location
    Los Angeles, CA
    Posts
    31
    stupid question:
    I am assuming that you won't be able to perform pipe freeze operations on water systems since water expands which would crack the pipe?

  10. #10
    Join Date
    Jan 2009
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    Not in Iran
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    Quote Originally Posted by Saman1366 View Post
    stupid question:
    I am assuming that you won't be able to perform pipe freeze operations on water systems since water expands which would crack the pipe?


    stupid question??
    REALLY?
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  11. #11
    Join Date
    Apr 2009
    Posts
    12
    Personaly I have done it and it worked great. The only thing in the back of your mind is the "cracking of the ice plug". If that happens, well you know the rest.

  12. #12
    Join Date
    Jan 2009
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    Quote Originally Posted by guy597 View Post
    Personaly I have done it and it worked great. The only thing in the back of your mind is the "cracking of the ice plug". If that happens, well you know the rest.


    and the rest of the story.,.,


    that is very scary
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  13. #13
    Join Date
    Mar 2010
    Location
    Va.
    Posts
    180
    Quote Originally Posted by Saman1366 View Post
    stupid question:
    I am assuming that you won't be able to perform pipe freeze operations on water systems since water expands which would crack the pipe?
    You would be correct if they were freezing the whole pipe. However this procedure calls for freezing a short section of pipe.

    mlkwal1, What size line are you working on?

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