dimensions

  • What Size PVC is This?



    What Size is this PVC Pipe?

    Having trouble figuring out what size PVC pipe you're working with? Use this quick system for finding the nominal pipe size of your existing PVC pipe. It works for both Schedule 40 (white) and Schedule 80 (gray) PVC pipe!

    pvc-sizes-dimensions

     

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  • PVC Pipe Dimensions 1/8" through 24"



    Schedule 40 PVC Pipe Dimensions

       Nominal Pipe Size        O.D.         Average I.D.         Min. Wall         Nominal wt./ft.         Maximum W.P PSI    
    1/8" .405 .249 .068 .051 810
    1/4" .540 .344 .088 .086 780
    3/8" .675 .473 .091 .115 620
    1/2" .840 .602 .109 .170 600
    3/4" 1.050 .804 .113 .226 480
    1" 1.315 1.029 .133 .333 450
    1-1/4" 1.660 1.360 1.140 .450 370
    1-1/2" 1.900 1.590 .145 .537 330
    2" 2.375 2.047 .154 .720 280
    2-1/2" 2.875 2.445 .203 1.136 300
    3" 3.500 3.042 .216 1.488 260
    3-1/2" 4.000 3.521 .226 1.789 240
    4" 4.500 3.998 .237 2.188 220
    5" 5.563 5.016 .258 2.874 190
    6" 6.625 6.031 .280 3.733 180
    8" 8.625 7.942 .322 5.619 160
    10" 10.750 9.976 .365 7.966 140
    12" 12.750 11.889 ..406 10.534 130
    14" 14.000 13.073 .437 12.462 130
    16" 16.000 14.940 .500 16.286 130
    18" 18.000 16.809 .562 20.587 130
    20" 20.000 18.743 .593 24.183 120
    24" 24.000 22.544 .687 33.652 120

     

    One of the most common things people get confused by with pipe is how it is sized and measured. PVC pipe can come in sizes ranging from 1/8" to 24" and larger. The table above shows sizing for schedule 40 PVC pipe in different sizes. Note: PVC pipe under 14" does not match up exactly with its nominal size (See Nominal Pipe Size and O.D. columns). You'll see this table shows the five most common pipe dimensions. Not sure what each of these are? Check our pipe measurement diagram here.

    All the fittings we sell on our site are called by their nominal size. A 2" PVC fitting on our site will always fit a piece of 2" nominal size PVC pipe. Both schedule 40 and schedule 80 PVC fittings will fit onto PVC pipe of either schedule. That's because both types of pipe have the same outer diameter measurements. It is only the inner diameter measurement that is smaller on schedule 80 PVC, thus making for a thicker wall and higher pressure rating than sch. 40 pipe.

     



  • PVC Pipe and Fitting Dimension Information



    pvc-dimensions

    PVC Dimensions - The Low-down

    Where can I find dimensions for this PVC fitting or pipe?

    We get this question a lot. Two sources I keep bookmarked are the Spears Manufacturing online technical sourcebook and the Lasco Fittings techsheet webpage. Each of these resources is searchable (CTL + F) by part number, making finding the exact dimensions on a specific part a breeze. Check them out for yourself here:

     

    Spears Manufacturing Online Technical Sourcebook > Click Here

    Lasco Fittings, Inc. Technical Data for PVC and CPVC > Click Here

     

    Between these two resources you can find dimensional data on all sorts of PVC, CPVC pipe and fittings and more. Both resources use PDF format, as it is easy to download and searchable. Spears even updates their tech sheets weekly!

    Unlike parts in other industries, PVC fitting parts many times use the same part number across brands. That means a Spears part and a Lasco part may have the same part number. While some part dimensions should stay fairly constant across brands (pipe, couplings) some may differ slightly in things like outer dimension. For exact dimensional data on a fitting be sure you use information from that specific manufacturer.

     

    Other Tips:

    -  Know what schedule PVC you’re looking at (schedule 40 or schedule 80)

    -   Use the part number in your search (for fittings this is commonly a 6 digit number with a dash in the middle, like 435-080.

    -  Know the term for the measurement you need (Outside diameter, inside diameter, min. wall, etc.)

    -   See our Resource Center Glossary for help with PVC terms



  • How is PVC measured?



     PVC Pipe Measurements - Explained

     

    pipe-dimenions-diagram

     

    How is PVC pipe measured? The basic sizes of PVC pipe are in inches and schedule - but those sizes don't tell you the exact measurement of a piece of pipe. For that you will need to consult the seller or manufacturer for a few bits of information. There are three common measurements used to describe PVC pipe. They are: Inner Diameter (I.D.), Outer Diameter (O.D.). and Wall Thickness. From these measurements you should be able to tell if a piece of pipe will fit into or over anything you need. View the diagram above for details on what exactly each of these measurements covers. You will see them demonstrated in both a side view and a straight on view of a piece of pipe.

     



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