Specifications


        Standard Wall
Thickness


        
Nominal wall thickness of
pipes: e=K (0.5+0.001*DN)


        
Where, DN: Nominal
diameter; K: Coefficient (K=7, 8, 9, 10, 11, 12-)


        
Nominal wall thickness of
pipe fittings:


        
e=7+0.014*DN (K=14)


        
e=6+0.012*DN (K=12)


        
Nominal iron wall
thickness 6, the limit deviation on the nominal wall thickness is -1.3


        
Nominal iron wall
thickness > 6, the limit deviation on the nominal wall thickness is - (1.3+
0.001DN)


 


        Main Applications
of Ductile Iron Pipes


        
Water delivery pipeline
and gas pipeline


        
The transmission of
corrosion-resistant materials


        
Widely used in urban water
supply, drainage, gas engineering


 






  
Nominal diameter




                                     Wall
Thickness






DN




 




Pipe




Finttings






ClassC




K8




K9




K10




K12




K12




K14






80




4.4




 


 


 


6.O




6.0




7.0




8.1






100




4.4




6.1




7.2




8.4






125




4.5




6.3




7.5




8.8






150




4.5




6.3




7.8




9.1






200




4.7




6.4




8.4




9.8






250




5.5




6.8




7.5




9.0




9.0




10.5






300




6.2




6.4




7.2




8.0




9.6




9.6




11.2






350




6.3




6.8




7.7




8.5




10.2




10.2




11.9






400




6.5




7.2




8.1




9.0




10.8




10.8




12.6






450




6.9




7.6




8.6




9.5




11.4




11.4




13.3






500




7.5




8.0




9.0




10.0




12.0




12.0




14.0






600




8.7




8.8




9.9




11.0




13.2




13.2




15.4






700




8.6




9.6




10.8




12.0




14.4




14.4




16.8






800




9.6




10.4




11.7




13.0




15.6




15.6




18.2






900




11.6




11.2




12.6




14.0




16.8




16.8




19.6






1000




12.6




12.0




13.5




15.0




18.0




18.0




21.0






1200




13.6




13.6




15.3




17.0




20.4




20.4




22.8






1400




15.7




15.2




17.1




19.0




22.8




22.8




26.6






1500




16.7




16.0




18.0




20.0




24.0




24.0




31.0






1600




17.7




18.8




18.9




21.0




25.2




25.2




29.4






1800




19.7




18.4




20.7




23.0




27.6




27.6




32.2






2000




21.8




20.0




22.5




25.0




30.0




30.0




35.0






 


  Works Hydraulic Test Pressure






Nominal
Diameter




Works
Test Pressure(Bar)






DN




Pipes(K9)




Fittings




Pipes
With Weld-on or Screwed-on Flange






PN10




PN16




PN25




PN40






80
to 300




50




25




 


16




 


25




 


32




 


40






350
to 600




40




16






700
to 1000




32




10






1100
to 2000




25




10






 


 


       Standard Lining and Coating






Internal
Lining






Internal
Lining




Pipe






standard
coating




Blast
furnace cement mortar






Reinforced
Protections




High
alumina cement mortar






Special
Coatings




Please
consult us






 






External
Coating






External
Coating




Pipe






Standard
Coating




Metallic
zinc + Bituminous paint






Reinforced
Protections




Polyethylene
sleeve applied






Special
Coatings




Polyurethane
or polyethylene coating




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