• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Ductile Iron Pipes Water Transmission & Distribution

Description

Standard

  • DI Pipes - ISO 2531-1998/EN 545 – 2006
  • Flanges – ISO 7005-2/EN 1092-2
  • Cement Mortar Lining – ISO 4179
  • Metallic zinc with Bitumen – ISO 8179-1/ BS 3416

Material

  • Ductile Iron – K9 (Socket – Push on, Spigot, Flanged Ends)

Application

Potable water transmission and distribution due to its higher strength and corrosion resistance.


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Material Pipes Centrifugally Cast Pipes Not centrifugally Cast, Fittings and Accessories
Minimum tensile strength (Mpa) 420 420
Minimum yield strength (Mpa) 300 300

Minimum elongation after fracture (%)

DN 40 to DN 1000

DN 1100 to DN 2600

10

7

5

5

Maximum Brinell hardness,(HB) 230 230
  • Internal Pressure – C class, Circular and uniform thickness of pipes
  • Raised Face Flanges. Rotatable Flanges up to DN 600
  • Pipes internally lined in accordance with ISO 4179 with sulphate resisting blast furnace slag cement mortar.
  • Pipes externally coated with metallic zinc and bituminous coating layer or polyurethane to DIN 30671.Metallic Zinc and Bitumen with a minimum DFT of 100 micron.
  • Internal surface of the socket bell painted with non-toxic fusion bonded epoxy coating with DFT of 300 microns or zinc rich paint 150g/m2 plus a layer of bituminous paint to a minimum DFT of 100 microns and total average of 120 microns.

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