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low pressure galvanized tubes-SYI Group
About Our low pressure galvanized tubes -SYI Group :
Dimensions in millimeters
|
|
DN | DE1 | Iron wall thickness,e, K9 |
| 80 | 98 | 6 | |
| 100 | 118 | 6 | |
| 125 | 144 | 6 | |
| 150 | 170 | 6 | |
| 200 | 222 | 6.3 | |
| 250 | 274 | 6.8 | |
| 300 | 326 | 7.2 | |
| 350 | 378 | 7.7 | |
| 400 | 429 | 8.1 | |
| 450 | 480 | 8.6 | |
| 500 | 532 | 9 | |
| 600 | 635 | 9.9 | |
| 700 | 738 | 10.8 | |
| 800 | 842 | 11.7 | |
| 900 | 945 | 12.6 | |
| 1000 | 1048 | 13.5 | |
| 1100 | 1152 | 14.4 | |
| 1200 | 1255 | 15.3 | |
| 1400 | 1462 | 17.1 | |
| 1500 | 1565 | 18 | |
| 1600 | 1668 | 18.9 | |
| 1800 | 1875 | 20.7 | |
| 2000 | 2082 | 22.5 | |
| 2200 | 2288 | 24.3 | |
| 2400 | 2495 | 26.1 | |
| 2600 | 2702 | 27.9 |
|
1) A tolerance of + 1 mm applies. For Other Class (K7,K8,K10,K12) and Other Joint Type (Restrained Joint), please consult us. |
About SYI low pressure galvanized tubes- SYI Group :
- PRODUCT INTRODUCTION
low pressure galvanized tubes-SYI Group
Centrifugally Cast Ductile Iron Pipe is a kind of pipe made from spherical graphite cast iron by centrifugal spinning process. The pipes, which can convey many fluid media such as water, oil and gas, are widely used in various pipeline projects for metallurgy, mine, water conservancy, petroleum and urban public service utility.
Possessing high strength, good toughness as steel and better corrosion resistance than steel, the ductile iron pipe is the ideal substitute for gray cast iron pipe and common steel pipe. In addition, the DI pipes are produced with good straightness, even wall thickness, high dimension accuracy, smooth surface finishing and remarkable mechanical properties, plus with firmly sticking internal & external coating layer. Flexible Push-in joint and rubber gasket are used resulting in convenient installation of pipelines.
By combining amazing ductility and high tensile strength to the well established corrosion resistance qualities of ductile iron, this easily handled pipe can be readily tapped, drilled or welded. Ductile Iron Pipes offer unsurpassed benefits for applications in water supply, sewerage and gas mains by their reputation by actual performance!
- ASSURED PERFORMANCE:
- Proof tested: Every piece of Ductile Iron Pipe must be hydrostatically tested according to standard requirements before application of lining or coating.
- Long Life: In over 1000 locations in the world cast iron mains are still in service over 100 years.
- Design: ISO/EN/AWWA/AS specifications provide a high factor of safety based on rated pressure plus surge allowance without damage to the pipes.
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low pressure galvanized tubes-SYI Group
- Design Flexibility: Pipes will safely function over a wide range of operating pressure, trench loads and installation conditions. Standard design includes a generous factor of safety to protect against unknowns.
- Easier Handling: Ductile Iron Pipes can be more easily manoeuvered under and around existing underground obstructions, thereby eliminating unnecessary changes in line or grade.
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- PARISON OF PROPERTIES
| Item | D.I. Pipe | G.I. Pipe | Steel Pipe | PVC Pipe | Asbestos Pipe |
| Tensile strength (N/mm2) | ≥420 | 150-260 | ≥400 | ≥53 | 20-23 |
| Bending strength (N/mm2) | ≥590 | 200-360 | ≥400 | 80-100 | 20-30 |
| Elongation (%) | ≥10 (DN40-1000) | - | ≥18 | 50-150 | |
| Elasticity coefficient (N/mm2) |
Approx. 16x104 | Approx. 11x104 | Approx. 16x104 | Approx. 27-30x102 |
Approx. 21x103 |
| Hardness(HB) | ≤230 | ≤230 | Approx. 140 | R 115 Rockwell | 35-40 |
| Corrosion resistance after 90 days (g/cm2) |
0.0090 | 0.0103 | 0.0273-0.0396 | - | |
| Poison's ration | 0.28 | 0.25 | 0.3 | 0.37 | 0.18-0.25 |
| Impact Value Kg. M/cm2 | >0.713 | <0.5 | 1.5 | 0.007-0.1 | |
| Specific Gravity | 7.15 | 7.15 | 7.85 | 1.43 | 2.1 |
| 1.0x10-5 | 1.0x10-5 | 1.1x10-5 | 6-8x10-5 | 0.6-0.8x10-5 |
- ANGULAR DEFLECTION
When a small curve is required along the pipeline, adjustment can be easily made without using fittings owing to the flexible joints of the pipes. So, the pipeline with flexible joints can also wind with the change of the ground.
low pressure galvanized tubes -SYI Group
About Manufacture :
- MANUFACTURE
SYI has an annual supply capacity of 100,000 tons, and it is still developing all the time.
low pressure galvanized tubes-SYI Group
low pressure galvanized tubes-SYI Group
low pressure galvanized tubes-SYI Group
- STANDARD
The ductile iron pipes are manufactured according to ISO 2531 (Ductile iron pipes, fittings and accessories for pressure pipelines); EN545 (Ductile iron pipes, fittings and accessories and their joints for water pipelines).EN598 (Ductile iron pipes, fittings, accessories and their joints for sewerage applications);
Cement mortar lining... ...
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Contact SYI Group :
1. Email: wang# ( # = @ )
2. Tel: 0086 351 4182605
3.Website:
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