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Pipe Sizes
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1 1/4
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r-40
R-40 — 1 1/4
Nps
1 1/4
Schedule
40
Id in
(in)
1.38
Od in
(in)
1.66
Wall Thickness in
(in)
0.14
Other 1 1/4 entries
R-160
R-80
Std
Xs
Xxs
Browse more civil engineering reference tables →
1 1/4 — schedule 40 · id in 1.38 in · wall thickness in 0.14 in · od in 1.66 in | Pipe Sizes | Engineering Database