Within each of these standards, many variations exist. IPS (Iron Pipe Size) PVC plastic pipe is most commonly produced in either different “Schedules” (i.e. IPS Schedule 40, 80, 120, etc.) … PIP pipe also has the same pressure rating for all sizes in any given SDR value (i.e. PIP SDR 64, 51, 41, 32.5, etc).

What does IPS stand for in piping?

Iron Pipe Size (IPS) is an old pipe sizing system that came was started in the early 19th century. It remained in effect until after WWII and was mainly used in the US and UK. When IPS was introduced, pipes were cast in halves and welded together.

What kind of pipe is IPS?

Iron Pipe Size (IPS or I.P.S.) pipe sizing system based on the inside diameter (ID) of pipe. It was widely used from the early 19th century to the mid 20th century and is still in use by some industries, including major PVC pipe manufacturers, as well as for some legacy drawings and equipment.