You're looking for information on BS EN 10242!
Here's a brief summary:
BS EN 10242:1996 - Threaded pipe fittings made from ductile iron Bs En 10242 Pdf
This standard covers threaded pipe fittings made from ductile iron, which are used for conveying fluids under pressure, including water, gas, and other liquids. The fittings are designed for use with pipes and other fittings in a variety of applications, including water supply, drainage, and sewage systems. You're looking for information on BS EN 10242
Would you like to know more about ductile iron or threaded pipe fittings in general? Or perhaps you have a specific question about BS EN 10242? including water supply