For example a 1 inch pvc pipe is actually 1 315 inches in outside diameter and 1 029 inches in inside diameter.
Large diameter plastic pipe sizes.
Data given in based on the nps tables given by ansi b36 10m and includes pipe wall thickness outside diameter nominal diameter.
Once the pipe od is determined look to the left most column of the charge below pipe size.
Pvc pipe sizes are different than the size the pipe is called.
To understand this concept you have to learn the way pipes are manufactured.
The table above shows sizing for schedule 40 pvc pipe in different sizes.
Pvc schedule 40 sizes table.
What is nominal pipe size.
Pvc pipe can come in sizes ranging from 1 8 to 24 and larger.
Fittings follow this same pattern a 1 fitting has a 1 315 inch opening to accept a 1 inch pipe which actually measures 1 315 inches in diameter.
The material designation code indicating the type of plastic.
When it comes to the pvc pipes themselves there are 3 key metrics.
For example when you say 6 pipe the 6 is the nominal size of that pipe.
This will be the nominal pipe size or the size of fittings you want to order.
However for the pipe sizes nps 14 and above outside diameter is the same as nps.
One of the most common things people get confused by with pipe is how it is sized and measured.
Pipe size nps od id schedules wall est.
Standard pipe size info chart.
N ot for cpvc pex pb or copper pipe.
Pvc pipe under 14 does not match up exactly with its nominal size see nominal pipe size and o d.
If the pipe is an sdr size with a nominal size of 14 inches or more a marking indicating whether the size is an ips size or a pip size as appropriate for example ips 18 or pip 18.
Nominal pipe size nps is the number that defines the size of the pipe.
The outside diameter o d shown is for standard ips schedule 40 pipe pvc stainless brass steel etc.
Below are a series of pvc pipe diagrams and dimension charts to help you find the right sizes or at least get you informed as to the various common sizes available.
