What size PVC pipe will fit perfectly in a 2" PVC pipe?

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  • What size PVC pipe will fit perfectly in a 2" PVC pipe?


Answer #1 | 23/12 2013 03:38
2 inch inside or outside diameter? I don't happen to know, but one and three quarters seems like your best bet, if you can find any in that size. It's really simple. Measure the inside diameter of that pipe, then go to the home center and measure the outside diameters of the ones close to it but slightly smaller. Pick the one that is the closest fit. For an exact fit, you may have to sleeve it with something, like aluminum sheet meta, maybe. Might do better to go look at electrical conduit for that piece. It would still be light, but probably stronger. Maybe you can find electrical conduit that fits exactly, then have pvc that fits exactly inside that, thus providing your sleeve.
Answer #2 | 23/12 2013 07:08
You need to try it out yourself because no two pipe brands will be exactly the same. Go to an electrical outlet and explain what you are doing, then ask if you can try two pipes out. If you go at a quiet time, like over the Xmas period they will have quiet days, I'm sure they will be happy to help. Avoid lunch times and near closing time.
Answer #3 | 23/12 2013 12:05
Like most pipe diameters, PVC pipe is measured on the "nominal" outside diameter (O.D.) meaning the inside diameter (I.D.) depends upon the type and thickness of the pipe. There are charts available online showing the combinations used by manufacturers. For instance a Schedule 40 PVC pipe having a nominal 2" trade size is actually 2 3/8 O.D. and 2.067 ID. Shed 80 is same OD but only 1.939" I.D. Oddly enough the OD of a nominal 1 1/2" PVC is 1.9", meaning a Sched 40 1 1/2 should ould fit inside a Sched 80 2-inch, with about .039 clearance.. The piece you're REALLY looking for is called a "adapter" that adapts whatever size you need, based upon the OD of each pipe, e.g., 2-inch adapter to 1 1/2-inch, and grind off the "stop" inside the smaller end, allowing the 1 1/2-inch piece to slide into the 2-inch, drilling your holes for the stop pin through the adapter...

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