• COSMOIND’s quality system complies with ISO 9001, 14001.
  • COSMOIND’s Pipes are manufactured in accordance with domestic standard(KS M 3408-2, M 3514, M3400, KSM3407) and foreign standard(EN 1555-2, EN 12201-2, ISO 4427-2, ISO 4437-2, AWWA C 901, AWWA C 903)
  • COSMOIND’s quality system complies with ISO 9001, 14001.
  • COSMOIND’s Pipes are manufactured in accordance with domestic standard(KS M 3408-2, M 3514, M3400, KSM3407) and foreign standard(EN 1555-2, EN 12201-2, ISO 4427-2, ISO 4437-2, AWWA C 901, AWWA C 903)

PE Water Pipe 

Polyethylene(PE) water pipe has been used for high pressure pipeline which has flexible, corrosion resistance and impact resistance because high level of impermeableness and strong molecule binding. it is manufactured using HDPE (high density polyethylene).
Polyethylene water pipe can be joined using several methods of welding such as butt-fusion, electro fusion, and socket fusion.


  • Water pipe
  • Industrial water pipe
  • Piping for Golf course and Pool
  • Rainwater pipe
  • Sewage pipe
  • fire piping
  • Soil Pipe
  • Irrigation pipe
  • Plant pipe
  • Slurry pipeline
  • Floating fish cage
  • Wastewater pipe

Unit: mm

Normal Pressure, PN(1) 
 
SDR 11
SDR 13.6
SDR 17
SDR 21
SDR 26
SDR 33
SDR 41
PE 80
PN 12.5
PN 10
PN 8
PN 6(3)
PN 5
PN 4
PN 3.2
PE 100
PN 16
PN 12.5
PN 10
PN 8
PN 6(3)
PN 5
PN 4
Nominal Dimension 
Thickness(2)
(Pipe Size)
emax
emax
emax
emax
emax
emax
emax
16
20
2.3
25
2.7
2.3
32
3.4
2.8
2.3
40
4.2
3.5
2.8
2.3
50
5.2
4.2
3.4
2.8
2.3
63
6.5
5.3
4.3
3.4
2.9
75
7.6
6.3
5.1
4.1
3.3
90
9.2
7.5
6.1
4.9
4
110
11.1
9.1
7.4
6
4.8
125
12.7
10.3
8.3
6.7
5.4
140
14.1
11.5
9.3
7.5
6.1
160
16.2
13.1
10.6
8.6
7
180
18.2
14.8
11.9
9.6
7.7
200
20.2
16.3
13.2
10.7
8.6
225
22.7
18.4
14.9
12
9.6
250
25.1
20.4
16.4
13.2
10.7
280
28.1
22.8
18.4
17.9
11.9
315
31.6
25.7
20.7
16.6
13.5
10.8
8.6
355
35.6
28.9
23.4
18.7
15.1
12.1
9.7
400
40.1
32.5
26.2
21.2
17
13.7
10.9
450
45.1
36.6
29.5
23.8
19.1
15.3
12.2
500
50.1
40.6
32.8
26.4
21.2
17
13.7
560
56
45.5
36.7
29.5
23.7
19.1
15.2
630
63.1
51.1
41.3
33.1
26.7
21.4
17.1
710
57.6
46.5
37.4
30.1
24.1
19.3
800
64.8
52.3
42.1
33.8
27.1
21.7
900
58.8
47.3
38.3
30.5
24.3
1000
65.4
52.6
42.2
33.5
27.1
1200
63.1
50.6
40.5
32.5
1400
59
47.3
37.9
1600
67.5
54
43

(1) PN value is calculated based on design coefficient C= 1.25, It is expressed as a pressure rating by internationally accepted bar units.
(2) Tolerance follow the V grade of KS M ISO 11922-1
(3) PE 100 is 6.4 bar, PE 80 is 6.3 bar.

Polyethylene
& advantages

Stability and Hygiene

As the PE material is widely used globally because of its proven stability and hygiene. Especially, PE water pipe has the optimum condition for drinking water. 

Joint characteristics 

PE pipes are easy to be arranged quickly and perfectly by using various fusion method according to field condition. 

Flexibility

By superior flexibility and resilience, it has less constraint by land conditions, easy to construct, relatively safe in internal or external factors, and restorable by itself. 

Easy installation 

A variety of fittings for PE PIPE can be easy to weld even unskilled workers by using simple welding equipment. 

Corrosion Resistance 

PE pipes do not cause erosion or corrosion. 

Light weight 

PE pipe that is lighter than iron pipe is easy to carry and quickly to construction. 

Cold-weather resistance

Since the Polyethylene has excellent elasticity between molecules, it can maintain inherent durability even with a temperature change of 40ºC 


Chemical resistance 

Polyethylene is not corrosive to additives, alkalis, salts, etc. and does not multiply seaweed or bacteria, so it is safe from various corrosive substance. 

Flow characteristics 

The smooth inner surface of PE water pipes allows more amounts of fluid transportation than other material’s pipes with the same diameter. 

Abrasion Resistance 

PE pipe is also suitable for transfer piping in slurry and dredging pipeline in the mine by the superior abrasion resistance of PE. 

Impact Resistance 

PE pipes has superior resistance from external shocks in order to prevent water leak by damage on a pipe from an earthquake or land subsidence. 

Economical Efficiency 

Polyethylene’s material cost is more cheaper and it has lower maintenance cost than other pipe material.