Ductile Iron Pipes

ductile iron pipes:
size range: from dn80mm to dn1600mm
standards follow:
iso2531, iso4179, iso8179, iso4633, iso7186, en545, en598, bs4772 and other equivalent standards.
effective length: 5.5 or 5.7 or 6 meters.
wall thickness:
k9 is the normative one; we can supply k7, k8, k10, k12 if requested.
joint type:
the normative joint are push-on (tyton-type) joint. please contact us if other joints are required.
cement mortar lining: cement mortar lining as per iso4179, cement can be portland cement, blast furnace cement, sulphate resisting cement, high alumina cement according to characteristics of conveyed water
size
lining thickness(mm)
mm
nominal
min. at one point
dn80-300
3
2
dn 350-600
5
3
dn 700-1200
6
3.5
dn 1400-2000
9
6
ø cement mortar with seal-coat;
ø polyurethane;
ø polyethylene;
ø epoxy;
ø bitumen paint;
exteral coating:
depending on the external conditions of use, the following coatings can be applied.
ø metallic zinc with finishing layer in accordance with iso8179-1, with a mean mass of zinc coating not less than130 g/m2
ø zinc-rich paint with finishing layer in accordance with iso8179-2;
ø bitumen paint, with dry film thickness not less than 70 microns;
ø polyethylene sleeves in accordance with iso8180
ø polyurethane;
ø thicker metallic zinc with finishing layer;
ø polyethylene;
ø epoxy;
packing:
the pipes of dn≤300mm are bound with steel belts, others are in bulk. special packing can be arranged after mutually agreed.