25mm MDPE blue water pipe - slightly over size

Aug 20, 2022 Last reply: 3 years ago 4 Replies

Just a quick sanity check.



My digital calliper shows my blue MDPE mains water pipe as about 25.3mm external diameter.



Is this within tolerance, do I have a dodgy calliper, or what?



Just doing a sanity check before ordering some fittings.



Cheers


Dave R



If it's definitely blue MDPE and not black imperial PE (see

formatting link
) it *shouldn't* be more than 25mm.

Do you have any means of calibrating your digital caliper?

A 2p coin is 25.9mm diameter

Some pipe can be a bit on the oval side for some reason. Brian

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