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PE water supply pipeline

Add time:2021-08-10 16:15:48   Number of views:838  

Category:Municipal plumbing

Introduction:

This pipeline product uses PE polyethylene resin as the main raw material, and is processed by extrusion, sizing, spray cooling, cutting and other processes; the PE water supply pipe has good flexibility, strong corrosion resistance, light weight, and excellent impact resistance. Features. Pipes and pipe fittings can be connected by hot-melt sockets, hot-melt butt joints, and electrofusion, etc., so that pipes and pipe fittings are fused together, the system is reliable, the construction cost is low, and it develops rapidly in engineering applications.

This pipeline product uses PE polyethylene resin as the main raw material, and is processed by extrusion, sizing, spray cooling, cutting and other processes; PE water supply pipe has good flexibility, strong corrosion resistance, light weight, and excellent impact resistance. Features. Pipes and pipe fittings can be connected by hot-melt sockets, hot-melt butt joints, and electrofusion, etc., so that pipes and pipe fittings are fused together, the system is reliable, the construction cost is low, and it develops rapidly in engineering applications.

Polyethylene is an inert material, resistant to a variety of chemicals, not easy to breed bacteria, light weight, low resistance to water flow, easy and quick installation, low cost, long life, thermal insulation, etc. The performance is better than that of steel pipe and cast iron pipe. PE100 water supply pipe is used in the conveying system of drinking water, and the hygienic and safety performance of the product meets the requirements of the former Ministry of Health's "Standard for Hygienic and Safety Evaluation of Drinking Water Transmission and Distribution Equipment and Protective Materials" (2001).

The corrosion resistance of polyethylene pipes makes them suitable for transporting some corrosive liquids such as acids and alkalis, and can be installed in corrosive environments such as swamps and humidity. Polyethylene pipes have good flexibility, and the pipes can be easily laid along the trench terrain, avoiding obstacles during the laying process, and adapting to the settlement of pipe foundations in swampy areas and areas with loose soil. Polyethylene pipe has high impact resistance, so it is not easy to break or damage during installation. The pipes can be connected by hot melt and electrofusion, which can ensure the strength of the interface and avoid leakage.

 

Unit:mm

Nominal outer diameter
dn,mm

SDR26

SDR21

SDR17

SDR13.6

SDR11

Nominal pressurePN, MPa

0.6

0.8

10

1.25

1.6

Nominal wall thickness
(mm)

Nominal wall thickness
(mm)

Nominal wall thickness
(mm)

Nominal wall thickness
(mm)

Nominal wall thickness
(mm)

32

 

 

 

 

3.0

40

 

 

 

 

3.7

50

 

 

 

 

4.6

63

 

 

 

4.7

5.8

75

 

 

4.5

5.6

6.8

90

 

4.3

5.4

6.7

8.2

110

4.2

5.3

6.6

8.1

10.0

125

4.8

6.0

7.4

9.2

11.4

140

5,4

6.7

8.3

10.3

12.7

160

6.2

7.7

9.5

11.8

14.6

180

6.9

8.6

10.7

13.3

16.4

200

7.7

9.6

11.9

14.7

18.2

225

8.6

10.8

13.4

16.6

20.5

250

9.6

11.9

14.8

18.4

22.7

280

10.7

13.4

16.6

20.6

25.4

315

12.1

15.0

18.7

23.2

28.6

355

13,6

16.9

21.1

26.1

32.2

400

15.3

19.1

23.7

29.4

36.3

450

17.2

21.5

26.7

33.1

40.9

500

19.1

23.9

29.7

36.8

45.4

560

21.4

26.7

33.2

41.2

50.8

630

24.1

30.0

37.4

46.3

57.2

710

27.2

33.9

42.1

52.2

 

800

30.6

38.1

47.4

58.8

 

900

34.4

42.9

53.3

 

 

1000

38.2

47.7

59.3

 

 

Pipe fittings series

Injection pipe fittings are produced in accordance with GB/T13663.3-2018 standard, with complete varieties and specifications.

永盛彩票It is suitable for connection forms such as hot flame butt, electrofusion welding and flange connection.

Socket injection molding pipe fittings are produced in accordance with GB/T13663.3-2005 standard, with complete varieties and specifications.

It is suitable for the connection of smaller diameter pipes such as hot-melt socket, steel-plastic transition thread connection and flange connection.

Properties of PE100 Pipe

Serial number

Project

Requirements

1

20 basketry hydrostatic strength (circumferential stress 12.4 MPa.100h)

No rupture, no leakage

2

80P hydrostatic strength (circumferential stress 5.5 MPa, 165h)

No rupture, no leakage

3

80P hydrostatic strength (circumferential stress 5.0 MPa, 1000h)

No rupture, no leakage

4

Elongation at break,%

≥ 350

5

永盛彩票Longitudinal shrinkage (11CTC),%

≤ 3

6

Oxidation induction time (200P), min

≥ 20

7

Weathering resistance "(after the pipe has received aging energy ≥ 3.5 GJ/m2)

永盛彩票Hydrostatic strength at 80 ℃ (circumferential stress 5.5 MPa, 165h)

永盛彩票No rupture, no leakage

Elongation at break,%

≥ 350

Oxidation induction time (200 'C), min

≥ 10

永盛彩票Note: Only applicable to blue pipe

Corrosion resistance table of PE pipe

Medium

Concentration

PE-

Medium

Concentration

P

-

20 ℃

60 ℃

20 ℃

60 ℃

Hydrochloric acid

10%

S

S

永盛彩票Potassium permanganate

20%

S

S

永盛彩票Concentrate

S

S

Potassium hypochlorite

Unsaturated

S

S

永盛彩票Sulfuric acid

10%

S

S

永盛彩票Sodium hypochlorite

15%

S

S

50%

S

S

Ferric chloride (11) (111)

Saturation

S

S

98%

S

NS

Saturation

S

S

Fog

NS

NS

Seawater

--

NS

S

永盛彩票Nitric acid

25%

S

S

Formaldehyde

40%

S

S

50%

L

NS

Carbon tetrachloride

100%

S

NS

75%

NS

NS

Methanol

100%

S

S

100%

NS

NS

Glucose

Saturation

L

S

Hydrogen desert acid

50%

S

S

永盛彩票Gasoline, petroleum (aliphatic carbon compound)

100%

S

L

100%

S

S

永盛彩票Formic acid

50%

S

S

永盛彩票Hydrogen peroxide

30%

-

S

98-100%

S

S

永盛彩票Hydrogen peroxide

90%

S

NS

Benzoic acid

永盛彩票Unsaturated

S

S

Acetone

100%

L

L

Oxalic acid

Saturation

S

S

永盛彩票Acetaldehyde

100%

S

L

永盛彩票Calcium hydroxide

Saturation

S

S

永盛彩票Benzaldehyde

100%

S

L

Sodium hydroxide

40%

S

S

Benzene

100%

L

L

永盛彩票Unsaturated

S

S

永盛彩票Dioctyl phthalate

100%

S

S

Hydrogen oxidation

Saturation

S

S

永盛彩票Oxalic acid

100%

S

S

Ammonia (liquid)

100%

S

S

Ethanol

40%

S

L

永盛彩票Ammonia (aqueous solution)

Dilution

S

S

永盛彩票Cycloethyl ketone

100%

S

L

Note:S: corrosion resistance L: limited corrosion resistance NS: non-corrosion resistance saturation: 20 ℃ saturated aqueous solution; Dilution: Diluted aqueous solution with concentration not higher than 10%; Unsaturated: Unsaturated aqueous solution with a concentration of more than 10%; Industrial grade: industrial grade aqueous solution

The service life of polyethylene pipes is more than 50 years, which has not only been confirmed by international standards and some advanced foreign standards, but also proved by practice. PE water supply pipes are widely used in municipal water supply systems, building water supply systems, residential quarters, factory buried water supply systems, industrial and water treatment pipeline systems due to their excellent performance.

 

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