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ISO2531 DN80-2000mm Ductile Cast Iron Double Flanged Pipe Black Tube for Sale

Price $850.00
Min Order 1 Ton
Availability In Stock
Shipping From Shanxi, China
Popularity 363 people viewed
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Model NO.:
Flange Pipe
Type:
Ductile Iron Pipes
Usage:
Water Supply
Joint Type:
Flexible Joint
Section Shape:
Round
Certification:
ISO2531, EN545, EN598
Shape:
Round
Customized:
Customized
Gasket Material:
NR
Product Name:
Ductile Iron Flanged Pipe
Size:
DN80 to DN2000
Inside Coating:
Cement Mortar Lining
Paint:
Black Bitumen
Material:
Ductile Iron
Trademark:
SYI
Transport Package:
as Per Your Requirements
Specification:
ISO 2531 EN 545 EN598
Origin:
China
Product Description
Ductile Iron Flanged Pipe with Cast-on or Screwed-on or Weld-on Flange ISO 2531 EN 545 EN598
Description
SYI can supply the Flanged Pipe with Cast-on or Screwed-on or Weld-on Flange PN10, PN16, PN25 or PN40 drilling in accordance with ISO 7005-2/EN1092-2, from DN80 to DN2000, with the coating of Metallic Zinc (130-400g/m2), Black Bitumen coating, Red/Blue Epoxy coating, Cement lining or PU (polyurethane) coating.
Mechanical properties
Nominal
Size
DN
Minimum tensile
strength, Rm
Mpa
Minimum 0.2%
proof stress, Rp0.2
Mpa
Minimum elongation
after fracture,A
%
Hardness

HB
80-1000
≥420
≥300
≥10
≤230
1100-2600
≥7
Note:
1. By agreement between manufacture and purchaser, the 0.2% proof stress (Rp0.2) may be measured.
It shall be not less than:
· 270 MPa when A≥12% for DN 40 to DN 1000 or A≥10% for DN >1000;
· 300 MPa in other cases.
2. DN 40 to DN 1000, the minimum elongation after fracture shall be 7% for thickness classes over K12.
Works test pressure
Nominal Size
DN
Hydrostatic works test pressure
bar
80-300
50
350-600
40
700-1000
32
1200-2000
25
2200-2600
18
Thickness of cement lining
DN
Nominal value
Tolerance 1)
Maximum crack width and radial displacement
80-300
4
-1.5
0.4
350-600
5
-2
0.5
700-1200
6
-2.5
0.6
1400-2000
9
-3
0.8
1)A negative tolerance only is given.
Note: Pipe end may have a chamfer of maximum length 50 mm.
Metallic zinc coating
When metallic zinc spray is applied, the mean mass of the zinc per unit area shall be not less than 130g/m2 ,
with a local minimum of 110 g/m2. The mass of the zinc according to customer's request is also available.
Bitumen coating
The mean thickness of bitumen coating shall be not less than 70 μm and local minimum thickness shall be
not less than 50 μm. The thickness of bitumen coating according to the customer's request is also available.
Alternative coating
a) External coatings:
- Metallic zinc with finishing layer, in accordance with ISO 8179-1;
- Zinc rich paint with finishing layer, in accordance with ISO 8179-2;
- Epoxy coating, in accordance with EN 14901;
- Polyethylene sleeve, in accordance with ISO 8180;
- Alloy of zinc and aluminum with or without other metals, having a minimum mass of 400 g/m2, with finishing layer;
- Extruded polyethylene coating in accordance with EN 14628;
- Polyurethane coating in accordance with EN 15189;
- Cement mortar coating in accordance with EN 15542;
- Adhesive tape;
b) Internal coating (linings):
- Portland/Blast furnace slag/Sulphate/ High Aluminum Cement Mortar, in accordance with ISO 4179;
- Cement mortar lining with seal coat, in accordance with ISO 16132;
- Epoxy coating, in accordance with EN 14901;
- Polyurethane lining in accordance with EN 15655;
c) Coating of the joint area:
- Epoxy coating;
- Polyurethane coating.

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