Audited Supplier
SYI PU Coating Ductile Iron Pipes
SYI can supply the Centrifugally Cast Ductile Iron Tyton Push-in Joint Socket and Spigot Pipe according to ISO2531, EN545, EN598 from DN80 to DN2000, including K7, K8, K9, K10,K12, K14, C20, C25, C30, C40, C50, C64, C100, with the coating of Metallic Zinc (130-400g/m2), Zn-Al Alloy 85/15, Black Bitumen coating, Red/Blue Epoxy coating, Cement lining or PU or PUA (polyurethane) coating (as per EN 15198) for new water.
Thickness of PU Internal Coating for Water Supply | ||
Min. Thickness of pipe (µm) | Min. Thickness of inside joint (touch water) (µm) | Min. Thickness of inside joint (no touch water) (µm) |
900 | 250 | 150 |
Thickness of PU Internal Coating for Sewerage | ||
Min. Thickness of pipe (µm) | Min. Thickness of inside joint (touch water) (µm) | Min. Thickness of inside joint (no touch water) (µm) |
900 | 250 | 150 |
1000 | 250 | 150 |
Items | Specifications | Test Method | |
Solid content | 100% | ASTM D 1259 | |
VOCs | 0% | ASTM D 2369 | |
Hardness | ≥ 70 Shore D | ASTM D 2240 | |
Impact strength | ≥ 8J | ASTM D 2794 | |
Volume resistivity | ≥ 1x1013 Ω.m | ASTM D 257 | |
Flexibility, 180º axis bending 102mm mandrel | The coating has no cracking and delamination | ASTM D 522 | |
Water vapor permeability | ≤3 mg/24h. cm2 | ASTM E69 | |
Water absorption | ≤ 3% | ASTM D 570 | |
Cathodic disbonding | ≤ 10mm | ASTM G8 | |
Salt fog resistance, 1000h | No change in coating | ASTM B117 | |
Resistant to chemical medium corrosion, soak for 30d | 10% hydrochloric acid, 30%NaOH, 30% sodium chloride, 10% sulfuric acid | After soaking 1mm thick sample for 30 days, the change of sample quality and size must be stable and the change is less than 5% | ASTM D543 |
Feature:
1.100% solid content, no volatile organic compounds, in line with environmental requirements;
2.With excellent corrosion resistance, wear resistance and impact resistance, it can be used to transport waste water, industrial water and surface water with high content of solid particles, as well as the environment where the pipe installation tilt Angle is large resulting in high flow rate;
3.Smooth surface, with the characteristics of small friction resistance, excellent hydraulic performance;
4.Lining sanitation, can be used to transport drinking water, reliable sanitation;
5.Coating does not scale, the water will not be polluted by microorganisms in the water or oxidation rust, no secondary pollution, can ensure permanent water flow and water cleanliness unchanged.
industrial water and surface water, and pipe installation when the tilt is large, resulting in high flow rate environment.
2. PU lined ductile iron pipes in line with the requirements of the standard can transport all types of water, domestic sewage and various types of industrial waste water, ductile iron pipes can not transport less than PH1 or more than PH13 sewage.
