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    sstefca's Avatar
    sstefca Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 25, 2011, 03:41 AM
    What is the sustitute for copper drains in industrial buildings
    To add a drain to an existing copper drain system
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Nov 25, 2011, 07:21 AM
    In INDUSTRIAL buildings you want to stay DWV copper fittings and TYPE M copper tubing (or type L, but L is more expensive). You cannot use ABS or PVC plastics here.

    What exactly are you doing? Have you taken venting into consideration? If you explain what exists and what you want to do we can tell you more, OK?

    Mark
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #3

    Nov 25, 2011, 10:21 AM
    In my area we are allowed to use Cast Iron for drains and vents in industrial buildings. We can also use combination of Cast Iron and Copper. In this case we use special Fernco couplings that allows us to connect two pipes of dissimilar wall thicknesses.

    Milo
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