Traditionally pipe fittings were made from metal however in the last 50 or 60 years other materials namely plastic are now commonplace and widely used.
Water pipe fittings sizes.
Fortunately there are many different types of pvc pipe fittings so that you can run pipe in pretty much any configuration.
Fittings can be just as confusing.
Below is our extensive pvc pipe fittings guide with a series of diagrams and dimension charts.
We sell both copper pipe and copper fittings in a variety of sizes angle degrees and more.
These are used to combine divert or reduce the flow of the water supply and they come in a variety of sizes to fit the pipe they will connect.
M is used for most home uses while l is a heavier duty option used for underground applications.
Their inside diameters must be large enough to fit over the pipe s outside diameter.
Nominal pipe size nps is the number that defines the size of the pipe for example when you say 6 pipe the 6 is the nominal size of that pipe.
The make up water is called the testing allowance and the allowable amount is a function of length of pipe tested nominal diameter of the pipe and the average test pressure.
However for the pipe sizes nps 14 and above outside diameter is the same as nps.
What is nominal pipe size.
Pipe fittings also known as pipe connectors attach one pipe to another in order to lengthen the run or change the flow direction in a plumbing system.
Pvc pipe fittings are used for attaching pvc pipes together.
For example a 3 4 npt pipe thread has an outside diameter of 1 050 inches.
Measuring pipe size can be a little confusing at first but anyone can learn how to do it.
The hydrostatic pressure test helps to identify damaged or defective pipe fittings joints valves or hydrants and also the security of the thrust restraint system.
The pipe thread size as shown in column 3 of the table below is measured and based on the inside of the pipe.
A half inch plastic elbow for example has an outside diameter of about 1 1 4 inches.
Galvanized pipe was once the most popular option for indoor plumbing applications.
But to actually determine the size of a pipe the outside diameter of each pipe or fitting must be measured and compared to the table for size identification.
3 way pvc corner fitting.
There are two types of copper pipes m and l.
Use this guide to help you find the pipe and fitting sizes you need for your next project.
