Ductile iron flanged pipes are being supplied with flanges screw-on, weld-on or integrally cast-on. Weld-on and screw-on flanged pipes are limited to 5.5 m length.
- The single flanged or double flanged ductile iron pipes screw-on or weld-on are fabricated from calibrated ductile iron cut pipes produced pursuant to ISO 2531 / EN 545 standards and are supplied with Ordinary Portland Cement (OPC) lining in conformity with ISO 4179 and coated with 200g/m2 of Zinc and finish layer of black bitumen or epoxy on top, applied in accordance with ISO 8179 – 1.
- Integrally casted flanged ductile iron pipes are supplied with K12 of iron wall thickness or superior. Integrally flanged pipes are limited to a length of L = 2,000mm.
The coating and lining protection against corrosion can be provided with:
a) Interior and exterior lining cement with Zinc-enriched paint and black bitumen topcoat in accordance with ISO 8179-2
b) Epoxy coating (FBE) with a minimum average thickness of 250 microns applied in accordance with EN 14901.
