JSL Ductile Iron(DI) Spun Pipes
Ductile Iron(DI) Spun Pipes
The integrated Greenfield project of Ductile Iron pipe and pig iron unit is a port based facility situated at Samaghogha, Mundra in Gujarat, India, commissioned in 2005. The highlights of our plant are:
- Port based facility of Ductile Iron pipes located on Western coast of India
- State of the art facility with latest technology.
- Installed capacity of 300,000 MT per annum has been enhanced to 500,000 MT per anum by installation of a state of art Small Diameter Plant (SDP), with size range DN 80 â€“ DN 250 along with latest linings /coatings facilities conforming to National/International standards.
- Backward Integration with own Blast Furnace & Coke Oven facility to produce & provide a continuous supply of pig iron & coke (main inputs in manufacturing of DI pipes).
- Spread in an area of 225 acres with a work force.of more than 2,600 people.
- Accredited with ISO 9001, ISO 18001 & Product certification for International standards ISO 2531, BS EN 545, BS-EN- 598 and ISO 7186 by British Standards Institute & Bureau Veritas.
In line with its Vision to serve the global market, Jindal SAW has also acquired a DI pipe manufacturing plant at Sertubi, Italy having installed capacity 80,000 MT per annum. The plant will cater to the requirements of European countries.
The plant has been conforming to various standards like ISO 2531, UNIEN 545 and UNIEN598. It is equipped to provide various coatings such as Zn & Zn-Al Coatings as per National & International Standards and Blue/Red Epoxy or black synthetic paint.
Further, Jindal SAW has installed a Ductile Iron pipe manufacturing plant at Abu Dhabi, United Arab Emirates. This facility is capable to manufacture DI pipes in size range of DN 250 â€“ DN 2200, with an installed capacity of 350,000 MT per annum.
The plant has been conforming to ISO 2531, BSEN 545, BSEN598 and ISO 7186. It also offers various coating facilities like Zn & Zn-Al Coatings as per National & International Standards; Blue/Red Epoxy or Black Bitumen and External and Internal Polyurethane Coatings as per BS EN 15189 and BS EN 15655 respectively for DN 250 to 2200 mm.
In order to further support the requirements of our esteemed customers, Jindal SAW Ltd, is coming up with a largest Ductile Iron Fittings plant in Tembhurni , Solapur Maharashtra , India. The size range for fittings is DN 80 to DN 2200 with annual production capacity of 18000 MT per annum.
The plant is equipped with the desired External Coating and Internal Lining facility as per International standards i.e. BSEN 545 and ISO 2531.
External Coating : Bitumen / Fusion Bonded Epoxy
Internal Lining : Cement Mortar Lining / Fusion Bonded Epoxy
|Product Name||Ductile Iron Pipe with Socket & Spigot ends suitable for Push-on-Jointing|
|Class of Pipe||C20, C25, C30, C40, C50, C64, C100 & Class K9|
|Size Range||DN 80mm to DN 1000mm|
|Standard Length||5.5m / 6.0m|
|Internal Linings|| |
|Outside Coatings|| |
|Coating of Joint Area||Bitumen; Epoxy; Polyurethane.|
|Conforming Specifications||IS 8329 ; ISO 2531 : ISO 7186 ; BS EN 545 ; BS EN 598|
|Quality Certifications||British Standards Institute and DNV|
|Product Certifications||British Standards Institute and Bureau Veritas|
Currently Class K9 and Class 40 pipes are being manufactured and supplied. Other classes will be offered in the near future.
Ductile Iron Pipes installed in water systems today are normally provided with cement mortar lining. Use of cement lining of the pipe avoids tuberculation by creating a high pH at the pipe wall, and ultimately by providing a physical barrier to the flow water to contact with the pipe wall. Further, linings are also smooth, which results in high coefficients with Haizen Willams C as 140 (Colebrook coefficient k = 0.1). In case of sewerage application, suitable lining will provide corrosive resistance to septic transformation (cycle of sulphates, sulphuric acid) to avoid severe carrion to pipe wall. The advantages of internal cement mortar lining are:
- Internal protection of pipe wall against fluid aggressiveness
- Improvement and performance of pipe flow characteristics
- For potable water pipelines, assurance of keeping water quality within
- Withstand against corrosion due to septic transformations.
Types of Lining & Service Conditions
|Type of Lining Material||Service Condition||Reference Standards|
|Ordinary Portland Cement||Drinking water||ISO 4179BS EN 197-1|
|Blast Furnace Slag Cement||Drinking water||ISO 4179BS EN 197-1|
|Portland Slag Cement||Drinking water||ISO 4179BS EN 197-1|
|Sulphate resistance Cement||Raw water/Drinking Water/ Sea water/ Non-septic Sewers||ISO 4179BS 4027|
|High Alumina Cement||Septic Sewers/ Drinking Water/Acids/ Alkali waters/ Pickling Brine/ Sea water||ISO 4179BS EN 14647|
|Cement Mortar Lining with Bituminous/epoxy Seal Coat||Drinking water/ Sewers||ISO 4179BS EN 14901|
Intrinsic corrosion resistance of Ductile Iron in various corrosive soils is as least as good as and even somewhat better than that of Cast Iron, as there is not much variation chemically between the two materials. When subjected to corrosion, the nodular graphite of ductile iron pipes forms corrosion by products that adhere firmly to the unattached metal, which provides a barrier against further corrosion. In addition, uniform spreading of spheroidal graphite of ductile iron results in less susceptible to deep localized pitting than that of grey iron pipe, which is important in evaluating its relative resistance to failure by perforation. Due to rubber gasket jointing, ductile pipes are electrically discontinuous. As a result, long line corrosion current, which is dependent on exposure of a single electrical unit to varying soil conditions, can not develop. Additionally, any accumulation of stray current is limited to short electrical units and usually is of little significance in developing corrosion.
Additional external protection to ductile iron pipe provides long service performance, especially for smaller diameter pipes where wall thickness is comparatively less. Following external protection is normally being provided:-
Types of Coating
|S. No.||Type of Coating||Reference Standards|
|1||Zinc coating with finishing layer of Bitumen/ Epoxy||ISO 8179 -1|
|2||Zinc coating with finishing layer with additional protection by polyethylene sleeving||ISO 8180|
|3||Alloy of Zinc and Aluminum with or without other metals having a minimum mass of 400 gm/m with finishing layer.||ISO : 14713|