The 2-inch ductile iron water pipe stands as a cornerstone in modern water distribution systems. Renowned for its strength, durability, and versatility, it is a preferred choice for various applications, from municipal water supply to industrial processes. This guide delves into its applications, lifespan, installation methods, compliance with international standards, and more, offering a holistic understanding for professionals in the field.
Applications
Ductile iron pipes, particularly in the 2-inch diameter, are integral to numerous water-related infrastructures:
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Municipal Water Distribution: Serving as the primary conduit for potable water in urban areas.
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Fire Protection Systems: Ensuring reliable water flow for firefighting needs.
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Industrial Applications: Transporting water for manufacturing processes and cooling systems.
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Agricultural Irrigation: Facilitating efficient water delivery in farming operations.
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Wastewater Management: Handling the conveyance of sewage and stormwater.
Lifespan
The longevity of 2-inch ductile iron pipes is influenced by factors such as soil conditions, water quality, and maintenance practices. Under optimal conditions, these pipes can last up to 100 years, offering a cost-effective solution over their service life.
Installation and Jointing
Ductile iron pipes are designed for ease of installation:
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Jointing Methods: Common techniques include push-on joints, flanged joints, and mechanical joints, ensuring secure connections.
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Installation Conditions: These pipes can be laid in various environmental conditions, including challenging terrains and adverse weather, with minimal need for specialized backfill.
International Standards
2-inch ductile iron pipes adhere to several international standards, ensuring quality and reliability:
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ANSI/AWWA C151/A21.51: Specifies the requirements for ductile iron pipes.
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ANSI/AWWA C104/A21.4: Covers cement-mortar linings for ductile iron pipes.
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ANSI/AWWA C111/A21.11: Details the standards for rubber-gasket joints.
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ISO 2531: International standard for ductile iron pipes.
Price Comparison
| Supplier | Price Range (per ton) | Features |
|---|---|---|
| China – LuoKaiWei | $450 – $500 | Standard quality |
| India – FPX | $500 – $550 | Enhanced corrosion resistance |
| Canada – EX | $550 – $600 | Premium quality with extended warranty |
Advantages
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Strength and Durability: Resistant to internal and external pressures.
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Corrosion Resistance: Suitable for various soil and water conditions.
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Ease of Installation: Compatible with multiple jointing methods.
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Cost-Effectiveness: Long service life reduces replacement costs.
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Versatility: Applicable in diverse environments and industries.
Frequently Asked Questions (FAQs)
1. What is the maximum pressure rating for a 2-inch ductile iron pipe?
Typically, these pipes can handle pressures up to 350 psi, depending on the class and lining.
2. Can ductile iron pipes be used for both potable and non-potable water?
Yes, with appropriate linings and coatings, they are suitable for both applications.
3. Are there any environmental considerations when using ductile iron pipes?
Ductile iron is recyclable, and with proper coatings, the pipes can have minimal environmental impact.
4. How do ductile iron pipes compare to PVC pipes?
Ductile iron pipes offer higher strength and impact resistance, making them suitable for high-pressure applications.
5. What maintenance is required for ductile iron pipes?
Regular inspections and maintenance of joints and coatings can extend the lifespan of the pipes.
Case Studies
Case Study 1: Urban Water Distribution
In a metropolitan area, 2-inch ductile iron pipes were installed to replace aging infrastructure. The result was a significant reduction in water loss and maintenance costs, demonstrating the pipe’s reliability and cost-effectiveness.
Case Study 2: Industrial Cooling System
An industrial facility utilized 2-inch ductile iron pipes for its cooling system. The pipes withstood high-pressure conditions and corrosive environments, ensuring uninterrupted operations.
The 2-inch ductile iron water pipe is a robust and versatile solution for various water distribution needs. Its compliance with international standards, coupled with its durability and cost-effectiveness, makes it a preferred choice for engineers and procurement specialists worldwide.
ductile iron pipe dimensions
| Pipe body weight （kg/m) | |||||||||||||||
| (Inside Diameter) | (Outside Diameter) | Socket Weight | K8 | K9 | K10 | C class | Total weight of Active Length=6M (kg) | Total weight of Active Length=5.7M (kg) | |||||||
| DN(mm) | OD(mm) | ≈ kg | Class | kg/m | K8 | K9 | K10 | C class | K8 | K9 | K10 | C class | |||
| 80 | 98 | 3.40 | 12.20 | 12.20 | 12.20 | C40 | 9.10 | 77.00 | 77.00 | 77.00 | 58.00 | 73.00 | 73.00 | 73.00 | 55.00 |
| 100 | 118 | 4.30 | 14.90 | 15.10 | 15.10 | C40 | 11.12 | 93.70 | 95.00 | 95.00 | 71.00 | 90.00 | 91.00 | 90.00 | 68.00 |
| 125 | 144 | 5.70 | 18.90 | C40 | 119.00 | ||||||||||
| 150 | 170 | 7.10 | 21.80 | 22.80 | 22.80 | C40 | 16.48 | 138.00 | 144.00 | 144.00 | 106.00 | 132.00 | 138.00 | 137.00 | 101.00 |
| 200 | 222 | 10.30 | 28.70 | 30.60 | 30.60 | C40 | 22.62 | 183.00 | 194.00 | 194.00 | 146.00 | 174.00 | 185.00 | 185.00 | 139.00 |
| 250 | 274 | 14.20 | 35.60 | 40.20 | 44.30 | C40 | 32.63 | 228.00 | 255.00 | 280.00 | 210.00 | 218.00 | 244.00 | 267.00 | 200.00 |
| 300 | 326 | 18.90 | 45.30 | 50.80 | 56.30 | C30 | 43.90 | 290.00 | 323.00 | 357.00 | 282.00 | 278.00 | 309.00 | 340.00 | 269.00 |
| 350 | 378 | 23.70 | 55.90 | 63.20 | 69.60 | C30 | 51.88 | 359.00 | 403.00 | 441.00 | 335.00 | 343.00 | 384.00 | 420.00 | 319.00 |
| 400 | 429 | 29.50 | 67.30 | 75.50 | 83.70 | C30 | 60.78 | 433.00 | 482.00 | 532.00 | 394.00 | 414.00 | 460.00 | 506.00 | 376.00 |
| 450 | 480 | 38.30 | 80.00 | 89.30 | 99.00 | C30 | 73.30 | 515.00 | 575.00 | 632.00 | 472.00 | 492.00 | 550.00 | 597.00 | 450.00 |
| 500 | 532 | 42.80 | 92.80 | 104.30 | 115.60 | C30 | 87.20 | 600.00 | 669.00 | 736.00 | 566.00 | 572.00 | 638.00 | 702.00 | 540.00 |
| 600 | 635 | 59.30 | 122.00 | 137.30 | 152.00 | C30 | 120.62 | 791.00 | 882.00 | 971.00 | 783.00 | 755.00 | 842.00 | 926.00 | 747.00 |
| 700 | 738 | 79.10 | 155.00 | 173.90 | 193.00 | C25 | 142.15 | 1009.00 | 1123.00 | 1237.00 | 932.00 | 963.00 | 1071.00 | 1179.00 | 889.00 |
| 800 | 842 | 102.60 | 192.00 | 215.20 | 239.00 | C25 | 177.07 | 1255.00 | 1394.00 | 1537.00 | 1165.00 | 1197.00 | 1330.00 | 1465.00 | 1112.00 |
| 900 | 945 | 129.60 | 232.00 | 260.20 | 289.00 | C25 | 197.68 | 1521.00 | 1691.00 | 1863.00 | 1446.00 | 1452.00 | 1613.00 | 1777.00 | 1257.00 |
| 1000 | 1048 | 161.30 | 275.00 | 309.30 | 343.20 | C25 | 266.28 | 1811.00 | 2017.00 | 2221.00 | 1759.00 | 1729.00 | 1925.00 | 2118.00 | 1679.00 |
| 1100 | 1152 | 194.70 | 362.80 | 2372.00 | |||||||||||
| 1200 | 1255 | 237.70 | 374.00 | 420.10 | 466.10 | C25 | 373.88 | 2482.00 | 2758.00 | 3034.00 | 2481.00 | 2370.00 | 2632.00 | 2894.00 | 2369.00 |
| 1400 | 1462 | 279.30 | 547.20 | 3563.00 | |||||||||||
ductile iron pipe Mechanical property
| Mechanical Property | |||||||
| Nominal Diameter | Hydraulic test | Tensile strength | Elogation | Yield strength | Bending strength | Brinell hardness | Thickness of cement lining |
| DN(MM) | Mpa | Mpa | % | Mpa | Mpa | HB | mm |
| DN80-DN300 | 5 | ≥420 | ≥10 | ≥300 | ≥590 | ≤230 | 3 |
| DN350-DN600 | 4 | ≥420 | ≥10 | ≥300 | ≥590 | ≤230 | 5 |
| DN700-DN1000 | 3.2 | ≥420 | ≥10 | ≥300 | ≥590 | ≤230 | 6 |
| DN1100-DN1600 | 2.5 | ≥420 | ≥7 | ≥300 | ≥590 | ≤230 | ….. |
