Cast iron drainage tube  

Sml Cast Iron Pipe En877 1) Sizes:DN40, DN50, DN70, DN75, DN100, DN125, DN150, DN200, DN250, DN300 2) Length: 3M 3) Standard: EN 877 4) Material: gray cast iron 5) Applications: construction drainage, pollution discharge 6) Features: Flat and straight; High strength and density without defect; Easy to install and maintain; Long lifetime, fireproof and low noise rate. SML (SMU) pipes are suitable for installation inside buildings. SML pipes and fittings can also be laid in concrete without problems, as the length expansion coefficient of cast iron and concrete are very similar, and as concrete protects cast iron from corrosion. SML pipes can also be installed outside on a buildings (as a rain water down pipe) or for example in underground parkings.