Pvc pipe is identified by the inside diameter id of the pipe.
Pvc pipe sizes chart id od.
The wall thickness continues increasing as the pipe gets.
However for the pipe sizes nps 14 and above outside diameter is the same as nps.
The table above shows sizing for schedule 40 pvc pipe in different sizes.
If the nominal size is the id then that means 1 2 pvc pipe walls are 170 thick and 3 pvc pipe walls are 0 250 thick.
The od for 1 2 pvc pipe is 0 840 and the od for 3 pvc pipe is 3 500.
This measurement is known as nominal which means in name only or a referenced name.
To understand this concept you have to learn the way pipes are manufactured.
Pipe size nps od id schedules wall est.
Pvc pipe sizes are different than the size the pipe is called.
Outer diameter inside diameter and wall diameter as in wall thickness.
For example a 1 inch pvc pipe is actually 1 315 inches in outside diameter and 1 029 inches in inside diameter.
When it comes to the pvc pipes themselves there are 3 key metrics.
One of the issues encountered with many of our customers is that they attempt to measure the outside diameter od of the pipe which will give a completely different and larger pvc pipe.
So any increase in wall thickness the inside diameter id of the pipe decrease.
Pvc and cpvc pipes schedule 40 nominal pipe size inches outside diameter inches minimum wall thickness inches inside diameter inches weight lb ft pvc cpvc 14 14 000 0 438 13 124 11 80 16 16 000 0 500 15 000 15 43 pvc and cpvc pipes schedule 80 nominal pipe size inches outside diameter inches minimum wall thickness inches.
Manufacturing of nps dn 6 to nps 12 dn 300 pipe is based on fixed outside diameter od.
One of the most common things people get confused by with pipe is how it is sized and measured.
Flexible rigid pvc pipe size table with dimensions pressure ratings chart for identification and use classification.
Pvc pipe is identified by the id inside diameter and is referred to as a nominal size which means in name only however this confuses people and most novices try to use the od outer diameter to order parts.
To find pvc pipe od sizes you cannot simply add a certain amount to the size on the label.
Pvc pipe can come in sizes ranging from 1 8 to 24 and larger.