ISO2531 K9 Ductile Iron Pipe

ISO2531 K9 Ductile Iron Pipe

Type of Joints: T-type push-in flexible joints ( Socketed + Spigot)

Manufacturing Technology: Centrifugal casting(also we supply non-centrifugal casting pipes)

Standards: ISO2531 C25,C30,C40 (or k8,k9,k10...)

Inner Anti-corrosion: Cement mortar linging complying with ISO4179; cement mortar with seal coat is in accordance with ISO16132
(Note: for other type of lining,pls reqeusted it with us)

External Coating: Metallic zinc coating + Bitumen complying with ISO8179-1; Zinc rch pait with finishing layer is accrodance with ISO8179-2; PE sleeving,in accordance with ISO8180.(Note: the anti-corrosion also can be finished by requested.)

Main Accessories: EPDM, SBR or NBR rubber gaskets,in according with ISO4633

Normal Size: DN40mm to DN2200mm

Standardized Length:
DN40mm,DN50mm: 3m
DN60 to DN600mm: 4m,5m,5.5m,6m,9m
DN700mm to DN800mm: 4m,5.5m,6m,7m,9m
DN900mm to DN2600mm: 4m,5m,5.5m,6m,7m,8.15m

Tesile Properties:
Min.tensile strength 420Mpa; Min.elongation 10% for DN40mm to DN1000mm, 7% for DN1100mm to DN2600mm

Brinell Hardness: not exceed 230HBW

Applications: Water supply and drainage, gas transportation pipelines etc.

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