Water Pipe Fittings Sizes

M is used for most home uses while l is a heavier duty option used for underground applications.

Water pipe fittings sizes. Fittings can be just as confusing. However for the pipe sizes nps 14 and above outside diameter is the same as nps. 3 way pvc corner fitting. 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.

An essential plumbing product they are used to connect pipe together which allows angles to be made to change the direction of the water flow assisting run off. 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. For example a 3 4 npt pipe thread has an outside diameter of 1 050 inches. 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.

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. Galvanized pipe was once the most popular option for indoor plumbing applications. Measuring pipe size can be a little confusing at first but anyone can learn how to do it. We sell both copper pipe and copper fittings in a variety of sizes angle degrees and more.

Their inside diameters must be large enough to fit over the pipe s outside diameter. To find the right size first figure out if you need to measure the outside or inside diameter then measure it with a ruler or tape measure. What is nominal pipe size. 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.

Below is our extensive pvc pipe fittings guide with a series of diagrams and dimension charts. A half inch plastic elbow for example has an outside diameter of about 1 1 4 inches. There are two types of copper pipes m and l. 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.

Today it s used for large. Fortunately there are many different types of pvc pipe fittings so that you can run pipe in pretty much any configuration. 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.