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Ductile Iron Pipe (DI011)

  • China (Mainland)China (Mainland)
  • US$5 Million - US$10 Million
  • 11 - 50 People
  • Business Service (Transportation,finance,travel,Ads,etc)
  • North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
  • skype
  • Mr.
  • +86-317-2096991
Post Date : March 14
Membrane Switch Panels Manufacturer
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Ductile cast iron socket and spigot pipes and accessories shall be centrifugally casted in accordance with ISO 2531(1998) class K9
Water tightness shall be insured by the push-on joint for the pipes
Composition and class
Metallurgical composition of ductile iron shall confirm to the following requirements (ISO):
3.5% to 3.9% Carbon
1.8% to 2.6% Silicon
Minimum tensile strength: 420(MPa) for pipes
Minimum elastic limits: 300(MPa) for pipes
Minimum elongation at failure: 10% for pipes
Maximum hardness: 230(HB) for pipes
Hydrostatic pressure
The pipes of class K9 shall be subject to hydrostatic pressure test in the factory as follows:
DN80 to DN300: 50 bars
DN350 to DN600: 40 bars
DN700 to DN800: 32 bars
Internal Lining
The pipes shall be internally lined with a sulphate resisting blast furnace cement mortar. The thickness and the lines shall be in accordance with ISO 4179(1985). The lining shall be applied centrifugally.
External Coating
The pipes shall be externally coated in the factory with a metallic zinc coat as primer and a black bituminous or black coal tar based anticorrosive varnish in accordance to ISO 8179(1995). The zinc coat shall be applied by arc gun and the bituminous/tar based coat by an airless gun in at least 2 layers.
The advantage of ductile iron pipe
Ductile iron pipe has the nature of iron, the performance of steel, the anticorrosion performance, good scalability, and easy to install. It is mainly for municipal, industrial and mining water or gas supply and so on. In the low-pressure pipe network, ductile iron pipe with a safe and reliable operation, low damage ratio, easy and fast maintenance, Outstanding antiseptic property.

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Galvanized K9 Ductile Iron Pipes (DN900)

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Ductile iron pipe is a pipe commonly used for potable water distribution. The predominant wall material is ductile iron, a spheroidized graphite cast iron, although an internal cement mortar lining usually serves to inhibit corrosion from the fluid being distributed, and various types of external coating are used to inhibit corrosion from the environment. Ductile iron pipe is a direct development of earlier cast iron pipe which it has superseded. Ductile iron has proven to be a better pipe material, being stronger and more fracture resistant; However, like most ferrous materials, it is susceptible to corrosion and retains some brittle characteristics. Relatively recent developments such as polyethylene sleeving and/or zinc and polymer coatings have done much to mitigate corrosion concerns, and a typical life expectancy is in excess of 75 years.

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EN857 2SC steel wire braided hydraulic rubber hose

EN857 2SC steel wire braided hydraulic rubber hose

EN857 2SC steel wire braided hydraulic rubber hose



1.Factory OUTLET

2.better quality
3.reasonable price
4.prompt delivery ,15days at most for 1*40'GP

The sizes we can manufacture as followings:








EN853 1SN/EN853 2SN

EN857 1SC/EN857 2SC

EN856 4SP/EN856 4SH

Hose range suitable to carry hydraulic fluids such as glycol, mineral oils etc

OEM and ODM is also welcomed.

We can manufacture according to our customers' special requirements such as -50C or -55C resistant hydraulic hose ,Acid-Alcali resistant hydraulic hose ,EPDM hydraulic hose ,etc.

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