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Conform to ISO2351, K9 Class, Standard effective length 6m, "T"Type flexible push on joint with rubber gasket.
PRODUCT PERFORMANCE
| Mechanical Properties | Nominal diameter mm | Tensile strength N/m2 | Yield strength N/m2 | Elongation% | Hardness HB | water pressure test MPa | ≤300 | ≥420 | ≥300 | ≥10 | ≤230 | 5 | 300—600 | ≥420 | ≥300 | ≥10 | ≤230 | 4 | 700—1000 | ≥420 | ≥300 | ≥10 | ≤230 | 3.2 | 1200 | ≥420 | ≥300 | ≥7 | ≤230 | 2.5 |
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| Corrosion resistance | | 90-day water corrosion(G/cm2) | Corrosion in sea water(G/cm2) | 72 hours 5% hydrochloric acid solution(G/cm2) | Ductile iron pipe | 0.009 | 0.066 | 0.0821 | Ordinary gray iron pipe | 0.0103 | 0.073 | 0.6899 | Steel | 0.0396 | 0.13 | ≥10 |
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| Seismic performance | Pipe | Rate of earthquake damage% | Ductile iron pipe | 0.04 | Gray cast iron pipe | 0.17 | PVC | 0.14 | Steel | 1.24 |
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PRODUCT STANDARD
| Manufacturing Standard For Ductile iron pipe ISO2531:1998 GB/T13295:2008 BSEN545:2002 |
| ISO8179 standard for zinc spraying Coating with metallic zinc which contains zinc at least 99.99%. the thickness of zinc coating is not less than 130g/m2 |
| ISO 4179 standard for cement mortar lining 1. Before painting: remove dirt of socket and then brush with semi-gloss, innocuity,quickly drying,red high build anti-corrosive paint (guarantee appearance quality, gloss, corrosion resistance,staying quality). 2. Warm up the pipe to a temperature of 70—80°C and paint with high build bituminous anti-corrosive paint 3. Entering into dry furnace to dry quickly in a temperature of 60---70°C. |