ISO 2531 Sphäroguss Rohr

joint type: T type (Push-on joint);K type(mechanical joint):self-restrained mechanical joint ; 1.The ductile iron pipes posses the nature of iron and the performance of steel,having the characteristics of high strength,high elongation,and corrosion resistance,so the ductileiron pipe is the best choice for water supply pipeline burying underground safely and reliably 2.we can produce the ductile iron pipe of DN80mm--1000mm;*6m or 5.7m with T type K type,S type ;N type ;self-restrained joint the total annual pipe production capacity reaches 500 thousand tons 3.The external protection of the pipes: Metallic zinc (no less than 130g per square meter)complying with the standard ISO 8179 and bitumen paint (no less than 70micron) 4.The internal protection of the pipes:spun the blast furnace cement motor lining complying with the standard ISO 4179 ;acc to the requirement of the customer,we can offer such special protective linings or coatings as ceramic epoxy,coal ta epxoy or other kinds of materials 5.Quality: the products can be made acc to ISO 2531 ;EN545 ;BS 4772; BS EN 545; BS EN 598 The quality assurance system has passed ISO 2531; Obtaining SGS ISO 9002 certificate from Switzerland,certificate for conformity to ISO2531-1998 and BS EN545-1995