Self-restrained Joint Ductile Iron Pipe

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
1 Metric Ton m.t.
Supply Capability:
300000 Metric Tons per Year m.t./month

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Product Description:

Overview of Ductile Iron Pipe

Ductile cast iron, also called ductile iron, spheroidal graphite iron, or nodular cast iron, is a type of cast iron invented in 1943. While most varieties of cast iron are brittle, ductile cast iron is much more flexible and elastic, due to its nodular graphite inclusions.

Graphite particles exist in the form of sphericity in ductile cast iron. Sizes graphite particle are restricted to 6 -7 class and spheroidizing rate should not be less than 80%. Thus after the spheroidizing process, ductile iron will be endowed with mechanical properties of both cast iron and steel.

Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water supply and sewerage design. Ductile cast iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel. Ductile Iron Pipe is the most widely-used pipeline product in water supply and water drain/sewage projects.

 

 Self-restrained Joint Ductile Iron Pipe

General introduction of Self-restrained Joint Ductile Iron Pipe

•Material : Ductile Cast Iron

•Size Range : DN 80mm to DN 1200mm

•Unit Effective Length : 6m or 5.7m or negotiable

•Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007

•Annual capacity : 300,000 tons

•Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.

•Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179

•Special requirements on external coating and internal lining can be applied

•We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

 

Mechanical Properties

Item

Tensile Strength (N/mm2)

Elongation(%)

Proof Stress (N/mm2)

Hardness HB

DN80

TO DN2600

DN80 TO DN1000

DN1100 TO DN2000

DN80 TO DN1000

DN100 TO DN2000

Pipe

≥420

≥10

≥7

≥270

≥300

≤230

Fittings

≥420

≥5

≥300

≤250

Standard Lining and Coating

External Protection

Metallic zinc complying with the standard ISO8179,and bitumen,or special protective coating according to the customer’s requirement.

Notes:

.            Pipes and fittings conform to the requirements of International Standard ISO 2531,British Eurpean Standard BS

.            EN545,and their extensions. If information given in English and Chinese differs,the English version prevails.

.            Dimensions and masses of pipes and fittings are approximate and are for refererces only;accurate dimensions and

.            masses should be confirmed with us at the time of placing order. Flanged joint pipes and fittings are generally

.            available with PN10,PN16 and PN25. Socketed joint pipes and fittings generally available with T type and K type joints.

Features of Self-restrained Joint Ductile Iron Pipe:

.            Ductile Iron Pipe offers proven reliability and the quality.

.            It is quick and easy installation.

.            The ductile iron pipe has high pressure capability.

Application:

Used for water and sewer lines.

Production Process

Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water supply and sewerage design. Ductile iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel.

 

 Self-restrained Joint Ductile Iron Pipe

Specification of Self-restrained Joint Ductile Iron Pipe:

Standard wall thickness of Self-restrained Joint Ductile Iron Pipe

Nominal Diameter

Wall Thickness(mm)

DN(mm)

Pipe

Fittings

Class C

K8

K9

K10

K12

K12

K14

80

4.4

6

6.0

7

8.1

100

4.4

6.0

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

6.3

8.4

9.8

250

5.5

6.8

7.5

9

9

10.5

300

6.2

6.4

7.2

8

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

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

9

10

12

12

14

600

8.7

8.8

9.9

11

13.2

13.2

15.4

700

8.6

9.6

10.8

12

14.4

14.4

16.8

800

9.6

10.4

11.7

13

15.6

15.6

18.2

900

11.6

11.2

12.6

14

16.8

16.8

19.6

1000

12.6

12

13.5

15

18

18

21

1200

13.6

13.6

15.3

17

20.4

20.4

22.8

1400

15.7

15.2

17.1

19

22.8

22.8

26.6

1500

16.7

16

18

20

24

24

31

1600

17.7

16.8

18.9

21

25.2

25.2

29.4

1800

19.7

18.4

20.7

23

27.6

27.6

32.2

2000

21.8

20

22.5

25

30

30

35

 

Self-restrained Joint

Self-restrained Type is a push-in self anchored joint. The principle of joint anchoring consists in transmitting the axial forces from one pipeline to the following one, thus ensuring that the joint does not come apart.

The application of self-restrained joints is of particular interest where congested conditions preclude concrete anchor block constructions or in poorly cohesive soils.Self-restrained joints combine the advantages of flexible joint pipes and welded joint pipes.

 Photo of Self-restrained Joint Ductile Iron Pipe

 Self-restrained Joint Ductile Iron Pipe

 

 self-restrained ductile iron pipe

 

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Q:How can the steel plastic composite pipe be connected with the cast iron pipe?
Use stainless steel clamps to connect.
Q:Ductile iron pipe joint damage, water leakage, want to see the connection with other pipe fittings, how to operate?!
The ductile iron pipe can be used as the plugging device for the big part
Q:Disadvantages of ductile iron pipes
The strength of nodular cast iron is comparable to that of cast steel. Ductile iron has higher yield strength, the lowest yield strength is 40K, while the yield strength of cast steel is only 36k.
Q:Is nodular cast iron pipe filled with Yau Ma Tei?
The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. Perform standard [span]GB/T13295-2003 ISO2531/2003
Q:Does centrifugal cast iron pipe work well with lining cement? Will it scale and breed bacteria?
From the centrifugal ductile cast iron pipe with cement production process to analysis, the most core pipe by centrifugal molding, concrete water cement ratio, the centrifugal force, the coarse aggregate to the outer wall of the pipe and the pipe inside; because of fine aggregate and water removal, strength and wear resistance variation. When the inner wall of the pipe by long-term washing and soaking water, and inner wall wear and erosion, as the roughness increases, head loss increases, you will need to increase the pump lift, and operation cost for power consumption increases, also greatly increased.
Q:How can the three pipes of ductile iron leak?
The raw material used in RE can be installed in the thread, can also be used on the same thread AB, re install is also available, but it is hard to remove.
Q:How many meters does the cast iron water supply pipe dn150,1 tons?
Reciprocating centrifuge hydraulic device, the pressure was 9.65 x 105Pa. the speed through the overflow valve, cable and cooling water hose is generally fixed on the centrifuge and the machine next to the post, the other end is connected to the shell, random moving together. The production standard of centrifuges is usually fixed. If we want to produce several specifications of pipes on a centrifuge, we need to replace the fan-shaped packages, the hot metal flow plants and the support roller racks.
Q:Ductile iron 600-3 grade, tensile strength, how to test, there is a simple way?
General use of tensile machines, such as quality management, this aspect should be strictly controlled, otherwise the data is not accurate, do nothing, no one wants
Q:What is the relationship between the mechanical properties of spheroidal graphite cast iron and its spheroidization rate?
Grade high good, mechanical performance can reach or exceed the standard, the grade is not high, the performance can not be achieved
Q:A tube is used only in ductile iron pipes, isn't it?
Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve greater runoff; from the installation and maintenance cost, ductile pipe have more favorable price. The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.
HYDROTECH,possesses 2 blast furnaces with 450 Cubic meter , 3 sets of 3000kw blast furnace gas generator and 6 ductile iron pipe centrifugal machines. Yongtong possesses a strong production capacity, 1.3 million tons casting and ductile iron and 0.4 million tons ductile iron pipe, the diameter ductile iron pipe is from 80mm to 1200mm.

1. Manufacturer Overview

Location Henan, China
Year Established 1958
Annual Output Value Below US$1 Million
Main Markets Mid East, Africa, South Asia, Eastern Asia
Company Certifications ISO 9001:2008;ISO2531:2000

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin; Qingdao
Export Percentage 1% - 10%
No.of Employees in Trade Department 3000 People
Language Spoken: English; Chinese; Spain; Alabic
b)Factory Information  
Factory Size: Above 150,000 square meters
No. of Production Lines Above 6
Contract Manufacturing OEM Service Offered; Design Service Offered
Product Price Range Average