Product Details | Ductile Iron pipelines
(DN100 - DN2200)
Pressure
Hatati ductile iron pipes are manufactured with standard nominal pressure ranges of C35 for DN100 to DN2200 diameters
Alternative standard pressure classes of PN30 (C30), PN40 (C40), PN50 (C50) PN64 (C64) and PN100 (C100) are also available.
Polyethylene Sleeving
Some International Water agencies specify polyethylene sleeving of ductile iron pipes as a means of additional passive corrosion protection. Polyethylene sleeving provides corrosion protection in aggressive soils by creating a uniform environment around the pipe and limiting oxygen exposure.
​
Loose PE sleeving is installed on site to ductile iron pipelines in the form of a tubular film. Cut lengths are slipped over the pipe, overlapped and wrapped up tight before securing in place with bands and plastic adhesive tape.
​
Polyethylene sleeving should be installed in accordance with ISO14001 “Guidelines for the application of polyethylene sleeving to ductile iron pipeline”. Accredited pipe layers trained in the application of sleeving should be employed.
Seal Coating
An optional bituminous seal coat may be applied to the cement mortar lining on ductile Iron pipes.
​
The intended purpose of a seal coat is to reduce the contact between the cement mortar lining and the contents of the water main, thereby restricting lime leaching and consequent high pH levels in supply when conveying soft (i.e. low carbonate alkalinity) water, especially where flow rates are low and residence times are lengthy. Consideration should be given to the use of seal coatings where the total alkalinity of the water being conveyed is less than 30 mg/L.
​
The seal coat adhesion rating and coating thickness comply with the requirements of ISO7005-2/EN1092-2 “Ductile Iron pipes and fittings” and ISO16132 “Ductile iron pipes and fittings — Seal coats for cement mortar linings”.
PIPE DIMENSIONS - C35
PIPE DIMENSIONS - C20
Lengths
Hatati ductile iron pipes manufactured to ISO7005-2/EN1092-2 “Ductile iron pipes and fittings” are supplied in standard 5.75m effective lengths.
Pressure
Fittings
Hatati supplies a complete range of compatible fittings, valves, connections and accessories to in socket, spigot and flanged configurations compliment any pipeline solution. See Ductile Iron Fittings or contact Hatati for additional technical and pricing information.
​
Options
​
Hatati supplies an extensive range of additional options to complement our Hatati ductile iron pipe range.
​
-
Restraint joints
-
Fabricated and flange class pipework
-
Zinc external coating system (Zn 200g/m2)
-
Larger diameters (DN800 to DN2200)
-
Polyethylene coating and lining options
-
Polyurethane coating and lining options
-
Higher pressures available (Up to C100)
​
Contact Hatati for additional technical and pricing information.