Copper Pipe Sizes In Inches

Many people assume pipe size is the outer diameter of the pipe but pipe size actually refers to what is called nominal diameter fittings can be just as confusing.

Copper pipe sizes in inches.

1 16 in 1 3 32 in 1 1 8 in 3 5 32 in 3. Standard pipe schedules and sizes chart data for ansi asme b36 10m and api 5l. However for the pipe sizes nps 14 and above outside diameter is the same as nps. Copper pipe sizing.

Copper pipe is used both by plumbers and for air conditioning and the two fields have different ways of sizing the pipe pipe for residential plumbing or plumbing tube is sold in nominal sizes which are 1 8 inch less than the actual outside diameter. When the copper tubing is getting installed underground it must be located 12 to 18 inches below the surface to avoid any potential damage from the weight applied above. Measuring pipe size can be a little confusing at first but anyone can learn how to do it. Seamless round copper tubes for water and gas in sanitary and heating applications.

Home pipe specs copper tubing sizes. Wall thickness type k l m dwv k l m dwv 1 4 0 375 0 305 0 315 0 035 0 030 3 8 0 500 0 402 0 430 0 450. Note that cpvc pipes in schedule 40 and 80 also are delivered in nps sizes. For example a 1 2 inch copper pipe has an outside diameter of 5 8 inch.

A half inch plastic elbow for example has an outside diameter of about 1 1 4 inches. In europe the wall thicknesses used are based on bs 2871 copper tubes type x y and z en 1057 copper and copper alloys. Soils containing sulfate and chloride can react with the surface of the copper tubing. For peace of mind pvc piping can be placed around the copper tubing for added protection.

What is nominal pipe size. Standard copper tubing dimensional reference. Data given in based on the nps tables given by ansi b36 10m and includes pipe wall thickness outside diameter nominal diameter. Nominal pipe size inches o d.

Nominal pipe size nps is the number that defines the size of the pipe. To understand this concept you have to learn the way pipes are manufactured. The actual outside diameter od of rigid copper type is always 1 8 inch larger than the nominal size or what the pipe is called. Lightweight copper pipe and tubing resists corrosion and is suitable for plumbing refrigeration and hvac applications.

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. It is true with all three common types of new pipe k l and m.