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Pipe and Nipple Sizing

go to general plumbing information - go to size chart for pipe thread
go to PVC fittings - go to PVC SpaFlex pipe
go to PVC nipples - go to chrome fittings & nipples - go to regular brass nipples


The outside diameter (o.d.) shown is for standard IPS pipe (PVC, stainless, brass, steel, etc.)
(not for CPVC, PEX, PB or copper pipe)

Standard nipples
and pipe sizing:
Pipe
Size:


1/2"
3/4"
1"

1 1/4"
1 1/2"
2"

2 1/2"
3"
4"

5"
6"
8"

10"
12"
Outside
Diameter:


0.840" o.d.
1.050" o.d.
1.315" o.d.

1.660" o.d.
1.900" o.d.
2.375" o.d.

2.875" o.d.
3.500" o.d.
4.500" o.d.

5.563" o.d.
6.625" o.d.
8.625" o.d.

10.750" o.d.
12.750" o.d.
Circumference:


2.639"
3.299"
4.131"

5.215"
5.969"
7.461"

9.032"
10.995"
14.137"

17.476"
20.812"
27.095"

33.771"
40.054"

Circumference = distance around the outside of pipe

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