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

    Jan 24, 2009, 07:44 AM
    Schedule 40
    What is schedule 40
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Jan 24, 2009, 09:20 AM
    Quote Originally Posted by JSaskme View Post
    What is schedule 40
    Schedule 40's a designation of weight and wall thickness. Schedule 20 has thinner walls 3while schedule 80 has thicker walls. We use Schedule 40 in most of our installations. Good luck, Tom
    afaroo's Avatar
    afaroo Posts: 4,006, Reputation: 251
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    #3

    Jan 24, 2009, 10:58 AM

    Tom nailed it down good, open the link below for further info, Thanks.

    John

    https://www.askmehelpdesk.com/plumbi...0-a-28983.html
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #4

    Jan 24, 2009, 12:23 PM

    In addition to the info you got in previous posts: Plastic pipes come in certain wall thicknesses and density. For example, PVC pipe may come schedule 10, 20, 40, 80. The durability and flexibility of pipe is higher as numbers get higher. Therefore, Schedule 40 is better then schedule 20 etc.

    For what application do you want to use plastic pipe for ?
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