In Korea, where Dunkinâ Donuts opened its first stores recently, it is finding a new audience: Korean customers have swooned over oversized French Cruller munchkins, split in half and filled with Bavarian cream.
Single random pipe has an average length of 20 feet. Any given joint will be somewhere between 17.5 and 22.5 feet. Double random is 40 feet on average with any given joint being between 37.5 and 42.5 feet.
As the schedule is increased, so does the wall thickness. At a pipe schedule of 160, a 12 inch NB pipe has a wall thickness of 1.312 inches (33.3 mm). It should be noted that not all pipe schedules are available for all pipe sizes.t should be noted that some intermediate standard pipe sizes are available commercially, such as 5 inch (125 mm), however these are less common. For pipe sizes with a NB of 14 inch (DN 350 mm) and above, the nominal bore is the same as the pipe Outside Diameter (OD).