Dinggin Hardware (Dalian) Co.,Ltd


K9 Ductile Iron Pipe With Cement Lining

K9 Ductile Iron Pipe With Cement Lining

EN545/ISO2531 ductile iron pipes for drinking water. DN80-2600, best and stable quality, fast delivery time.

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k9 ductile iron pipe with cement lining


1)  The standard of pipe: ISO 2531, EN545 , EN598.

2)  Pipe class: K9, C40, C30, C25, etc.

3)  Pipe joint: push-on joint(Tyton joint), K type joint, self-restrained joint

4)  Effective length: in general, the pipe length is 6m for bulk shipment and  5.7m for container shipment.

5)  Internal lining: cement mortar lining as per ISO4179 

6)  Zinc coating: at least 130g/m2 as per ISO 8179 

7)  Bitumen painting: at least 70um as per ISO 8179 

8)  Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber ring as per ISO4633 

9)   DN 80 - 2,600 mm 

10)   High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time 

11)   Checked by automatic inspection equipment

Mechanical features

Spec.tensile   strength (N/mmyield   strength ElongationBrinell hardness
DN100-DN1000≥   420mpa≥   300mpa≥   10%≤230HB
DN1100-DN2600≥   420mpa≥   300mpa≥   7%≤230HB

Inspection process

Raw Material Inspetion (Melting, Trim)-Raw Material Inspetion(Nodullar Treatment)-Visual check after casting-Metallographic test,Mechanical properties and visual check  (while input to HT stove-Inpection of zinc spraying thickness-socket spigot dimension inspection and visual check-Hydrostatic test-cement mortar thickness and adhersion inspection, visual check-bitumen paint thickness inspection-final inspection ( thickness, length, etc)-checking packing and shipping mark

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