What is the relationship between the direction of the spigot and the direction of the flow in the ductile iron pipe?
Called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc..
The utility model is mainly used for conveying water, and is an ideal choice for tap water pipes.
Use more than 18 casting molten iron, by adding the spheroidizing agent, through the centrifugal ductile iron machine high-speed centrifugal casting pipe
