Product Description
Specifications
Standard Wall
Thickness
Nominal wall thickness of
pipes: e=K (0.5+0.001*DN)
Where, DN: Nominal
diameter; K: Coefficient (K=7, 8, 9, 10, 11, 12-)
Nominal wall thickness of
pipe fittings:
e=7+0.014*DN (K=14)
e=6+0.012*DN (K=12)
Nominal iron wall
thickness 6, the limit deviation on the nominal wall thickness is -1.3
Nominal iron wall
thickness > 6, the limit deviation on the nominal wall thickness is - (1.3+
0.001DN)
Main Applications
of Ductile Iron Pipes
Water delivery pipeline
and gas pipeline
The transmission of
corrosion-resistant materials
Widely used in urban water
supply, drainage, gas engineering
Nominal diameter
Wall
Thickness
DN
Pipe
Finttings
ClassC
K8
K9
K10
K12
K12
K14
80
4.4
6.O
6.0
7.0
8.1
100
4.4
6.1
7.2
8.4
125
4.5
6.3
7.5
8.8
150
4.5
6.3
7.8
9.1
200
4.7
6.4
8.4
9.8
250
5.5
6.8
7.5
9.0
9.0
10.5
300
6.2
6.4
7.2
8.0
9.6
9.6
11.2
350
6.3
6.8
7.7
8.5
10.2
10.2
11.9
400
6.5
7.2
8.1
9.0
10.8
10.8
12.6
450
6.9
7.6
8.6
9.5
11.4
11.4
13.3
500
7.5
8.0
9.0
10.0
12.0
12.0
14.0
600
8.7
8.8
9.9
11.0
13.2
13.2
15.4
700
8.6
9.6
10.8
12.0
14.4
14.4
16.8
800
9.6
10.4
11.7
13.0
15.6
15.6
18.2
900
11.6
11.2
12.6
14.0
16.8
16.8
19.6
1000
12.6
12.0
13.5
15.0
18.0
18.0
21.0
1200
13.6
13.6
15.3
17.0
20.4
20.4
22.8
1400
15.7
15.2
17.1
19.0
22.8
22.8
26.6
1500
16.7
16.0
18.0
20.0
24.0
24.0
31.0
1600
17.7
18.8
18.9
21.0
25.2
25.2
29.4
1800
19.7
18.4
20.7
23.0
27.6
27.6
32.2
2000
21.8
20.0
22.5
25.0
30.0
30.0
35.0
Works Hydraulic Test Pressure
Nominal
Diameter
Works
Test Pressure(Bar)
DN
Pipes(K9)
Fittings
Pipes
With Weld-on or Screwed-on Flange
PN10
PN16
PN25
PN40
80
to 300
50
25
16
25
32
40
350
to 600
40
16
700
to 1000
32
10
1100
to 2000
25
10
Standard Lining and Coating
Internal
Lining
Internal
Lining
Pipe
standard
coating
Blast
furnace cement mortar
Reinforced
Protections
High
alumina cement mortar
Special
Coatings
Please
consult us
External
Coating
External
Coating
Pipe
Standard
Coating
Metallic
zinc + Bituminous paint
Reinforced
Protections
Polyethylene
sleeve applied
Special
Coatings
Polyurethane
or polyethylene coating
http://www.tanacn.com
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