Some pipe trivia:
Any Schedule of 1" trade size has O.D. of 1.315"
Sch 40 1 1/4" trade size has I.D. of 1.380"
The smaller pipe will fit into the larger one with a 32.5 mil clearance
Any Schedule of 1 1/2" trade size has O.D. of 1.900"
Sch 80 2" trade size has I.D. of 1.939"
The smaller pipe will fit into the larger one with a 19.5 mil clearance
Any Schedule of 2 1/2" trade size pipe has an OD of 2.875"
Alum irrigation pipe with 3" OD and standard 0.065" wall has an I.D. of
2.870"
The smaller pipe will fit into the larger one with 2.5 mil clearance
Yes that IS snug, especially in the two pieces are not perfectly
circular, which
they never are. A rubber mallet may be called for. Hi.
I have taken advantage of all of these accidental fittings many times to
build various homebrew sliding or rotating joints, etc.
---
Rick Karlquist
N6RK
On 2022-08-31 08:27, Grant Saviers wrote:
> If it really is PIPE - NPS dimensions then there is no slip fit inside or
> outside that fits without machining one or both parts
>
> There are some very rare exceptions of tube/pipe fits in other than the
> standard schedule 40 pipe standard od and wall, since pipe comes in same od
> but different wall thickness from schedule 10 to 120 and beyond.
>
> Grant KZ1W
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