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    dwoldemichael's Avatar
    dwoldemichael Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Mar 21, 2009, 09:52 AM
    Could any one tell me the diffrence b/n schedule 40 and 80 pipes ?
    Hi all,
    Could any one tell me the diffrence b/n schedule 40 and 80 pipes ?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Mar 21, 2009, 12:40 PM
    Quote Originally Posted by dwoldemichael View Post
    hi all,
    could any one tell me the diffrence b/n scedule 40 and 80 pipes ?
    The difference is the wall thickness. Schedule#80's a much heavier pipe and not much used in home construction. Did this answer your question? Cheers, Tom
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
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    #3

    Mar 21, 2009, 12:42 PM

    One other difference is that schedule 80 can be threaded.l
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #4

    Mar 21, 2009, 12:49 PM

    And, inside diameter is smaller on 80. Like speedball said, its just thickness of pipe. 40 is thinner, 80 is thicker(as tellu said, 80 can be threaded , because it is thicker). Same outside diameter, just different inside diameters. Please let us know what you are using it for, and we will suggest best one to go with.

    Oh yea, 80 is more expensive.
    dwoldemichael's Avatar
    dwoldemichael Posts: 3, Reputation: 1
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    #5

    Mar 21, 2009, 02:24 PM
    Thank you guys ! I was reading a book and didn't understand the diffrence. Just for curiousity. Thank you much!
    afaroo's Avatar
    afaroo Posts: 4,006, Reputation: 251
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    #6

    Mar 21, 2009, 10:22 PM

    Open the link below will show the charts for both schedule 40 and 80, Thanks.

    John

    PVC and CPVC Pipes - Schedule 40 & 80
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