Outside diameter

Outside diameter $d_{em}$

• The value of the measurement of the outside diameter through its cross-section at any point of a pipe or spigot of a fitting, rounded to the next greater 0.1 mm.

References

1. BS EN 1329-1:1999 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure – Unplasticized poly (vinyl chloride)(PVC-U)