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Flexible cast iron pipe is a type of pipe that is made from cast iron, but has a flexible outer layer that allows it to bend and twist without breaking. This type of pipe is commonly used in plumbing and drainage systems, as it is durable and resistant to corrosion and wear. The flexible outer layer is typically made from PVC or other materials that are designed to withstand environmental factors such as temperature changes, moisture, and chemicals. Flexible cast iron pipe is easy to install and can be used in a variety of applications, making it a popular choice for many different types of projects.
* Sound insulation
Due to the inner sheet of graphite structure of gray cast iron, the cast iron drainage pipe can absorb the
vibration and noise generated by water flow.
The wall thickness is thicker than UPVC, and the pipes are connected with seal rubber rings, the cast iron pipe gains an good effect against noise.
* High strength and density, durable
(a. Maximum Brinell Hardness 260HB
(b.Minimum Tensile Strength 200MPa
(c.Minimum Ring Crush Strength 350MPa
(d. Minimal maintenance costs
* Anti-corrosion Inside epoxy painting with thickness above 120 micron, outside paint ( Epoxy resin paint, epoxy coal asphalt, epoxy powder etc.) in color red with thickness above 40 micron.
* Easy to install&maintain Flat straight pipeline, good convenience of installation. It has a reinforced seal: EPDM clamps and cuffs according to the EN681 standard. With these two parts, it is easy to set the desired rotation angles to the system.
Nominal Diameter(DN):
DN50-DN300
Sizes:
Length: 3m, Diameter: 50mm-300mm
Main Material：
Cast Iron
Length:
3000mm
Wall Thickness：
3.0-7.0mm
Standard：
EN545 /BS EN877/ISO 6594/ISO2531
Application：
Drainage water system
Shape：
Round
Hardness：
230HB
Pull Strength：
>200MPa
Yield (≥ MPa):
≥350Mpa
Surface treatment:
Epoxy coating
Paint:
Red/Black/Yellow
Packing:
In bulk/Pallet
The connection of flexible cast iron pipes insists of three types: A,B and W. In general, B and W are more commonly utilized.
Size (mm)
Innerdia (mm） B
Outterdia(mm)
J
Wall thickness (mm)
T
Length(mm)
L
Unit weight (kg)
Laying Length(m)
50
50
58
3.5
3000±20
13
180
(2”)
50
61
4.3
3000±10
16.5
75
75
83
3.5
3000±20
18.9
123
(3”)
75
86
4.4
3000±10
24.4
100
100
110
3.5
3000±20
25.2
86
(4”)
100
110
4.8
3000±10
34.6
125
125
135
4.0
3000±20
35.4
70
(5”)
125
137
4.8
3000±10
43.1
150
150
160
4.0
3000±20
42.2
59
(6”)
150
162
4.8
3000±10
51.2
200
200
210
5.0
3000±20
69.3
37
(8”)
200
214
5.8
3000±10
81.9
250
250
274
5.5
3000±20
99.8
26.4
(10”)
250
268
6.4
3000±10
113.6
300
300
326
6.0
3000±20
129.7
20.3
(12”)
300
318
7.0
3000±10
148
Material
Pull Strength(Mpa)
Yield (≥ MPa):
No.150 cast iron implemented to ISO185
Flat straight pipe&fittings: ≥150Mpa
Average（3 times testing）：≥350Mpa
phosphorus≤0.6%
W-Type flat straight pipe：≥200Mpa
Every single test：≥300Mpa
Sulfur≤0.1%
Pipe fittings：≥150Mpa
/
Standard：EN545 /BS EN877/ISO 6594/ISO2531
Standard：BS EN877
Standard：ISO2531/EN545
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Main Product:
ductile iron pipe,
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carbon steel plate ,
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