DN ranger: |
DN80-DN2000mm |
Length: |
6m/5.7m |
Standard: |
BSEN545/EN598 |
Application: |
sewage water |
Pull Strength: |
≥420Mpa |
Yield (≥ MPa): |
300 |
Material: |
Ductile Iron |
Type: |
centrifugal |
Processing Service: |
Cutting |
Product name: |
ductile iron pipe |
Certification: |
ISO9001:2008, , ,EN545:2010 |
Internal coating: |
cement mortar lining |
External Coating: |
zinc spray+bitumen coating |
Test: |
hydrostatic test |
Joint Type: |
Push-on joint, |
Techinical Process: |
centrifugal casting |
Inscription Style: |
standard inscription,as per customers'requirements |
All pipes shall be subjected to a works hydrostatic test for a duration of at least 15 seconds at the minimum internal test pressure given in the table.
Minimum work test pressure(Bar) | |||
DN(mm) | ISO2531-1998 | ISO2531-2009 | |
K<9 | K≥9 | Preferred pressure classes | |
≤300 | 0.5(K+1)2 | 50 | 40 |
350-600 | 0.5K2 | 40 | 30 |
700-1000 | 0.5(K-1)2 | 32 | 25 |
1200-2000 | 0.5(K-2)2 | 25 | 25 |
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