0.4MPa/0.4MPa/0.6MPa/1.0MPa PE pipe for gas pipe

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500 m
Supply Capability:
5000 m/month
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Item specifice:

Country of origin: Shandong,China specification: dn16mm-630mm standard: GB 15558.1-2003
length: 4m/6m colour: black add Yellow strip

Product Description:

Product Name: polyethylene pipes for gas supply 
Standard: GB 15558.1-2003
Nominal Pressure: 0.4MPa/0.4MPa/0.6MPa/1.0MPa
Nominal Diameter: 16mm-630mm
Wall Thickness: 2.3mm-57.3mm


PE pipe for gas pipe

Product Name: polyethylene pipes for gas supply 

PE gas pipe is made of PE80 and PE100 to be produced by extrusion molding ,suitable for operating at temperature of -20℃~40℃.According to production and testing requirements of national standards GB15558.1-2003 (Gas buried polyethylene pipe) ,wall thickness can be divided into: SDR11 and SDR17.6.SDR11 series for transporting artificial gas, natural gas, liquefied gas;SDR17.6 series for transporting natural gas;nominal diameter of DN16-DN630mm.

    

Features of PE gas pipe:

PE gas pipeline has many excellent features, such as corrosion resistance, toughness, hardness and softness;also reflects the excellent performancein some special applications . For example,polyethylene pipe has solved corrossion and leakage presence of the traditional steel pipe fittings , and low cost. In addition,  the outdoor line and pipeline is laying in the corrosive soil or in the earthquake zone, mountainous and swampy areas .


Main advantages 

 (1) corrosion resistance

   Polyethylene is an inert material, except for a few strong oxidant, can be resistant to a variety of  chemical media. No electrochemical corrosion, no coating.


(2) does not leak

 Polyethylene pipe use mainly hot melt connection or fused connection,to achieve  integration between joint and tubing. Compared with the rubber ring joints or other mechanical joints,  because there is not dangerous that joint distortion causes leakage.


(3)  High toughness

 The elongation at break generally over 50%. excellent seismic performance had become proved in Wenchuan earthquake.


(4)  PE pipe has excellent flexibility to be coiled.  

 Longer length supply without the need for a variety of connection fittings.


(5) good anti-scratch ability

 Ability to resist scratches and slow crack growth (SCG) is close.Studies have shown, PE80 gas pipe has better ability and resistance to scratches . PE100 gas pipe have a better ability to resist ing scratches.


(6) Excellent resistance to rapid crack pass.


(7) Long service life up to 50 years


(8) good impact resistance, heavy directly pressure through the pipe will not cause pipeline rupture.


(9) compared with steel, cast iron pipe and steel mesh composite pipe , convenient construction and lower total cost.


 Application:

1. Gas Transportation

2. Liquied gas transportation

3. artificial gas transport

4. Industrial gas

5. Industrial corrosive liquid feed delivery

    

 Physcial performance of PE gas pipe

number

item

requirement

test standard

1

long-term hydrostatic strength,Mpa(20℃,50 year,95%)

≥8.0

GB15558.1-2003

2


short-term hydrostatic strength Mpa

20℃


ductile failure time  9.0  (h)≥100

80℃


brittle failure time  4.5  (h)≥165

            

Failure time 4.0(h)≥1000

3

  thermal stadility(200℃),min

>20

4

  resistance to stress cracking,

h(80℃,4MGpa)

   ≥1000

≥170

5

 compression recovery(80℃,4MGpa)

>170

6

 Longitudinal reversion rate(110℃),%

≤3

7

  Elongation at break%

≥350

8

 weathering

 (accumulation pipe by ≥3.5KMJ / m after aging energy)

still meet the performance requirements of 2.3.7,

 and maintain good weldability

Note: for working temperature -20 ℃ -40 ℃, the maximum working pressure ≤0.4Mpa 

artificial coal gas and natural gas, liquefied petroleum gas.

Specification:



nominal outside diameter

(mm)

PE80

PE100

SDR17.6(≦0.2MPa)

SDR11(≦0.4MPa)

SDR17.6(≦0.6MPa)

SDR11(≦1.0MPa)

wall thickness

(mm)

wall thickness

(mm)

wall thickness

(mm)

wall thickness

(mm)

                             16

2.3

3.0

2.3

3.0

                             20

2.3

3.0

2.3

3.0

25

2.3

3.0

2.3

3.0

32

2.3

3.0

2.3

3.0

40

                   2.3

3.7

                          2.3

3.7

50

2.9

4.6

2.9

4.6

63

3.6

5.8

3.6

5.8

75

4.3

6.8

4.3

6.8

90

5.2

8.2

5.2

8.2

110

6.3

10.0

6.3

10.0

125

7.1

11.4

7.1

11.4

140

8.0

12.7

8.0

12.7

160

9.1

14.6

9.1

14.6

200

11.4

18.2

11.4

18.2

225

12.8

20.5

12.8

20.5

250

14.2

22.7

14.2

22.7

280

15.9

25.4

15.9

25.4

315

17.9

28.6

17.9

28.6

355

20.2

32.3

20.2

32.3

400

22.8

36.4

22.8

36.4

450

25.6

40.9

25.6

40.9

500

28.4

45.5

28.4

45.5

560

31.9

50.9

                         31.9

                  50.9

                           630

                  35.8

                57.3

                         35.8

                  57.3



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