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PU coating

Product Name:PU coating

Product Details:
Ductile iron pipes with inside / outside  polyurethane (PU) coating, with thickness 1mm-1.5mm.

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Standard:                 EN15655, ISO 2531,EN545, EN598,
Joint:                        T type(push on type), K type, restrained type
Thickness:               K7, K8, K9, K10, K12, C40, C30, C25
Internal coating:      PU coatin (Polyurethane coating), thickness 1mm; or ceramic epoxy coating;
External coating:     PU coatin (Polyurethane coating), thickness 1mm;  or ceramic epoxy coating;
Size:                        DN80-DN2600;
Color:                      yellow, green, or others
Material:                  ductile iron
Tensile strength:     ≥420N/mm2
Yield strength:        ≥300N/mm2
Elongation:             ≥10 
Hardness:               ≤230HB
Rubber gaskets:    SBR/NBR/EPDM according to ISO4633;
PE sleeving:           according to ISO8180.
Inspection:              SGS, BV, TUV, Lliyd’s 
Delivery:                 break bulk, or container;

Production procedure:  Molten iron- Induction furnace- Spheroidization - Centrifugal casting - Annealing- Zinc spraying- Rounding and grinding–Hydrostatic testing -Cement lining-Cultivating-Bitumen coating-Packing