The most important thing when working with pvc pipe and fittings is the nominal size.
Standard pvc tube sizes.
Pvc schedule 40 sizes table.
Once the pipe od is determined look to the left most column of the charge below pipe size.
As pvc pipe increases in diameter the walls must also be thicker.
Pvc pipe under 14 does not match up exactly with its nominal size see nominal pipe size and o d.
The od for 1 2 pvc pipe is 0 840 and the od for 3 pvc pipe is 3 500.
Pvc schedule 40 fitting that is for pressure pvc schedule 40 fitting that is for pressure systems where temperatures will not exceed 140 f.
The table above shows sizing for schedule 40 pvc pipe in different sizes.
Pvc pipe sizes dimensions guide charts when it comes to the pvc pipes themselves there are 3 key metrics.
This entry deals with the inch based sizes of pvc pipe in use in the united states.
This will be the nominal pipe size or the size of fittings you want to order.
Data given in based on the nps tables given by ansi b36 10m and includes pipe wall thickness outside diameter nominal diameter.
Solvent cemented fittings are commercially available to connect pipes based on inches to those based on millimeters.
Standard pipe schedules and sizes chart data for ansi asme b36 10m and api 5l.
Schedule 40 pvc pipe is compatible with all formufit external fit and internal fit products.
A 1 fitting will fit on a 1 pipe regardless of whether either one is schedule 40 or 80.
To find pvc pipe od sizes you cannot simply add a certain amount to the size on the label.
For example a 1 inch pvc pipe is actually 1 315 inches in outside diameter and 1 029 inches in inside diameter.
Pvc pipe can come in sizes ranging from 1 8 to 24 and larger.
Nominal refers to pipe in non specific terms and identifies the diameter of the hole with a non dimensional number for example 2 inch nominal steel pipe consists of many varieties of steel pipe with the only criterion being a 2 375 inch 60 3 mm outside diameter.
Outer diameter inside diameter and wall diameter as in wall thickness.
It does not describe pvc tube or tubing.
If the walls were too thin the pipe would lack structural integrity.
Metric pvc pipe sizes have an entry of their own what americans call pvc is called pvc u in europe and cpvc is called pvc c.
Pvc pipe sizes are different than the size the pipe is called.
Pvc schedule 40 has better sound deadening qualities than pvc schedule 40 dwv foam core and abs foam core.
So while a 1 socket fitting has an opening wider than 1 across it will fit on a 1 pipe because the od of that pipe is also greater than 1.
One of the most common things people get confused by with pipe is how it is sized and measured.
Nominal pipe size nps is a north american set of standard sizes for pipes used for high or low pressures and temperatures.
