What is UHMWPE Pipe Manufacturer and Why Do We Use Them?

In the world of industrial piping, understanding the intricacies and benefits of different pipe materials is crucial. One such material that stands out is UHMWPE (Ultra-High Molecular Weight Polyethylene) pipe. This article aims to elucidate what UHMWPE pipe is, its unique features and advantages, applications, and how it compares to HDPE (High-Density Polyethylene) pipes.

You can find more information on our web, so please take a look.

What is UHMWPE Pipe?

UHMWPE pipes are made from ultra-high molecular weight polyethylene, a thermoplastic with an extremely high molecular weight. This material offers remarkable durability, resistance, and strength, making it ideal for a wide range of industrial applications.

Key Features and Advantages

• Exceptional Durability: UHMWPE pipes are known for their incredible wear resistance. They can withstand harsh conditions without degrading, making them a long-lasting solution.
• Corrosion Resistance: These pipes are highly resistant to corrosive substances, reducing the need for frequent replacements.
• Lightweight: Despite their strength, UHMWPE pipes are surprisingly lightweight, facilitating easy installation and handling.
• Low Friction Coefficient: The smooth inner surface minimizes friction, allowing for efficient fluid flow and reduced energy costs.

Applications
UHMWPE pipes are versatile and can be used in various industries such as:

• Mining: For slurry and tailings transport.
• Chemical: Resistant to a wide range of chemicals, making them suitable for chemical transport.
• Water Treatment: Ideal for transporting both raw and treated water.

UHMWPE Pipe vs. HDPE Pipe

While both UHMWPE and HDPE pipes are made from polyethylene, the key difference lies in their molecular structure. UHMWPE’s ultra-high molecular weight means it provides superior wear resistance and impact strength compared to HDPE. This makes UHMWPE pipes more suitable for environments where durability and longevity are critical.

Feature UHMWPE Pipe HDPE Pipe Molecular Weight Ultra-high High Durability More durable Less durable Impact Strength Higher Lower Corrosion Resistance Excellent Good Weight Lighter Heavier Friction Lower Higher Cost More expensive Less expensive

UHMWPE pipes offer a blend of durability, resistance, and efficiency, making them an excellent choice for various industrial applications. Their superiority over HDPE pipes in certain aspects makes them a go-to option for professionals seeking reliable and long-lasting piping solutions.

UHMWPE Pipe

Ultra-high-molecular-weight polyethylene (PE-UHMW) pipes

Product profile:

Ultra-high molecular weight polyethylene (UHMWPE) (UPE) pipe is continuously extruded by ultra-high molecular weight polyethylene (UHMWPE) resin with molecular weight more than 2.5 million.

UHMWPE pipe is suitable for mining, electric power, coal, chemical industry and other special mining enterprises.

The advantages :

High wear resistance: 4 times of steel pipe, 3 times of ordinary PE pipe and 4 times of nylon. It has been proved that UHMWPE pipeline is a common wear-resistant pipeline for small particle slurry transportation.

High corrosion resistance: ultra-high molecular weight polyethylene (UHMWPE) has saturated molecular structure, high chemical stability and resistance to various corrosive media and organic solvents.

High flexibility: the elongation at break can reach more than 400%, there is a large bending in the construction, and the crustal subsidence can be elongated to 3 times no fracture.

High impact resistance: the impact strength is the highest in all kinds of plastics, which is 10 times higher than that of HDPE and 6 times that of nylon.Whether external strong impact or internal pressure fluctuations, impact, it is difficult to make it crack.

Low temperature resistance: excellent low temperature resistance, at -40 °C, the impact strength reaches a higher value.Good performance can be maintained at very low temperatures, especially suitable for medium transportation in cold areas.

Not easy to scale: smooth inside and outside walls of pipes, excellent non-adhesion and self-lubricating, fouling materials difficult to deposit and attach, greatly saving the cost of pipe descaling maintenance.

Anti-aging: its aging resistance is better than that of PE100, buried for 50 years, and its mechanical properties are reduced by only 20%.

The energy saving effect is good: the friction coefficient is 0.07-0.11, the roughness is only 1 / 6 of the new steel pipe, the circulation capacity is over 50% higher than that of the steel pipe, and the inner diameter of the steel pipe can be reduced by about 15% compared with that of the steel pipe.

Safe and environment-friendly: It is non-toxic and tasteless, and meets the requirements of the national drinking water pipeline.

Installation convenience: UHMWPE pipe weight is 1/8 of steel pipe, greatly reduced installation costs.Direct flanging of pipe body for pipe connection.Flange butt, do not need to add seals; can also be inserted hot-melt welding, high interface strength, easy to operate.

Features

Unit

UHMWPE Pipe

Q235Steel Pipe

HDPE Pipe

density

g/cm

3

0.96

7.85

0.93

average molecular weight

10

4

250

-

15-30

yield point stress

MPa

22

126

11

tensile strength

MPa

40

235

24

elongation at break

%

400

25

300

Impact strength (notches)

K

j/m

2

110

60

20

friction factor

-

0.07-0.11

0.32-0.45

0.32-0.44

Mortar wear

%

0.3

1.82

3.45

Low temperature resistanc

e

℃

-100

-30

-70

Specification:

Plastic Pipe Size Series     UHMW

PE

PIPE Thickness (

e

min

), SDR, PN       Design Stress

ó

D=10  Standard: GB/T.1/

d

(mm)

SDR33

SDR26

SDR21

SDR17

SDR13.6

SDR11

SDR9

0.6

MPa

0.8

MPa

1.0

MPa

1.25

MPa

1.6

MPa

2.0MPa

2.5MPa

e  

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

e  

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

e  

(mm)

Weight  Kg/m

63

5.8

1.07

7.1

75

6.8

1.51

8.4

90

6.7

1.82

8.2

2.18

10.1

110

6.6

2.23

8.1

2.69

10

3.25

12.3

125

6

2.33

7.4

2.84

9.2

3.45

11.4

4.2

14.0

140

5.4

2.38

6.7

2.92

8.3

3.55

10.3

4.34

12.7

5.24

15.7

160

6.2

3.11

7.7

3.81

9.5

4.65

11.8

5.67

14.6

6.88

17.9

180

6.9

3.9

8.6

4.79

10.7

5.9

13.3

7.2

16.4

8.84

20.1

200

6.2

7.7

4.8

9.6

5.95

11.9

7.26

14.7

8.84

18.2

10.91

22.

4

225

6.9

8.6

6.05

10.8

7.53

13.4

9.22

16.6

11.44

20.5

13.83

25.

2

250

7.7

9.6

7.52

11.9

9.2

14.8

11.31

18.4

14.07

22.7

17.02

27.9

280

8.6

10.7

9.4

13.4

11.63

16.6

14.48

20.6

17.66

25.4

21.32

31.

3

315

9.7

12.1

11.94

15

14.63

18.7

18.33

23.2

22.38

28.6

27.03

35.

2

355

10.9

13.6

15.11

16.9

18.91

21.1

23.33

26.1

28.38

32.2

34.28

39.

7

400

12.3

15.3

19.12

19.1

24.12

23.7

29.52

29.4

35.99

36.3

43.55

44.

7

450

13.8

17.2

24.69

21.5

30.5

26.7

37.42

33.1

45.63

40.9

55.19

50.

3

500

15.3

19.1

Dragon Product Page

30.48

23.9

37.68

29.7

46.24

36.8

56.46

45.4

68.08

55.

8

560

17.2

21.4

38.2

26.7

47.19

33.2

57.9

41.2

70.66

5

1

.

0

85.34

630

19.3

24.1

48.46

30

59.6

37.4

73.35

46.

4

89.34

57.

3

108.1

710

21.8

27.2

61.63

33.9

76.68

42.1

93.54

52.

3

114.22

800

24.5

30.6

78.04

38.1

97.19

47.

1

118.67

900

27.6

34.4

99.11

42.9

122.93

53.

0

150.08

30.6

38.2

121.79

47.7

151.93

36.7

4

5.9

175.73

57.2

216.74

Steel Pipe Size Series     UHMWPE PIPE Thickness (emin), SDR, PN       Design Stress óD=10  Standard: GB/T.1/

d

(mm)

SDR33

SDR26

SDR21

SDR17

SDR13.6

SDR11

SDR9

0.6

MPa

0.8

MPa

1.0

MPa

1.25

MPa

1.6

MPa

2.0MPa

2.5MPa

e  

(mm)

Weight  Kg/m

e  

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

e  

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

e  

(mm)

Weight  Kg/m

e

(mm)

Weight  Kg/m

6

5

5

.9

7.

3

7

6

6.

9

8.

5

89

6.

6

8.

1

10.

0

1

08

6.

4

8.

0

9.8

12.

1

1

33

6

.4

7.

9

9.

8

12.1

14.

9

1

59

6.1

7.6

9

.

5

1

1.7

1

4.5

1

7

.

8

219

6.7

8.4

10.5

13.0

1

6.1

1

9.9

24.5

273

8.4

10.5

13.0

16.2

20.1

24.8

30.5

325

10.0

12.5

15.5

1

9.3

23.9

29.5

36.3

377

11.6

14.4

1

8.0

22

.4

27.7

34.2

42.1

426

13.1

16.3

20.3

25.3

31.3

38.7

47.6

4

80

14.7

18.4

22.9

28.5

35.3

43.6

53.6

530

16.3

20.3

25.3

31.4

40.0

48.1

630

19.3

24.1

30.0

37.4

46.3

57.3

720

22.1

27.5

34.3

42

.7

53

.4

820

25.1

31.3

39.1

48.6

920

28.2

35.2

4

3.9

54.5

31.2

39.0

48.6

37.4

46

.6

58.1

UHMWPE Mining Pipe

Attributes of UHMWPE Pipe

UHMWPE Mining pipe Benefits:

1. High Wear Resistant

Compare with existing plastic pipes, Wear resistant UNMWPE pipe has the most excellent wear resistance which is 4 to 7 times that of Q235 steel pipe and 2.7 times that of wear-resistant steel 16Mn. Therefore it increases pipe flow rate and improves the transmission efficiency of more than 20%. The working life of UHMWPE pipes is more than 3 times that of wear-resistant steel pipe. Wear resistant UHMWPE pipe has great advantages to replace traditional metal pipes in delivering abrasive media.

2. Impact Resistant

Wear resistant UHMWPE pipe is greatly impact resistant which is 5 times that of HDPE pipe, 2 times that of PC pipe and 10 times that of PTFE pipes.With extraordinary impact resistance，UHMWPE pipe can withstand great water hammer impact when starting up pump station.

3. Low Energy Consumption

Wear resistant UHMWPE pipe is self-lubrication and non-adhesive. Its coefficient of friction resistance is 0.009 while that of steel pipe is 0.013. With the same diameter, flow rate of UHMWPE pipe is larger than steel pipe, and with the same flow rate, UHMWPE pipe can save 25% energy.

4. Non-scaling

With roughness of 0. and smooth pipe inner wall, it can efficiently avoid scaling without acid cleaning, which save a lot of maintenance cost.

5. High Flexibility

With High Toughness and elongation of no less than 350%, the UHMWPE pipe and the connection site will not crack when crust settling which maximally ensures to supply water normally.

UHMWPE Raw Material Properties

PropertyRaw Material Values OnlyPHYSICAL PROPERTIESRaw MaterialUHMWPEDensity (kg/m3)≥ 930Water Absorption 24hrs(%)

Advantage of UHMWPE mining pipe in mining and metallurgy:

Coke, mining powder, pulp and slag from mining and metallurgy is quite abrasive to pipelines. Traditional steel pipe can only use for 6 or 12 months for transmission of above media and need to turn 90 degrees every half year. Meantime, UHMWPE pipe has extraordinary wear resistance which greatly reduces damage of pipes from abrasion and its working life is more than 4 times that of traditional steel pipe. With good impact resistance and high flexibility, UHMWPE pipe can withstand impact from external force and diastrophism. Wear resistant UHMWPE pipe is better alternative as transmission pipe for mining and metallurgy.

Specifications of UHMWPE mining pipe:

I.D
mmWALL THICKNESS mm0.6Mpa0.8 Mpa1.0 Mpa1.25 Mpa1.6 Mpa2.0 Mpa150———.410.612.915.719.924..712..523.429.—————————————————————

Custom Sizes available, where moulds already exist from 20-mm OD, up to 65 WT. Product can be manufactured in any colour, and to all conformance requirements.

UHMW Polystone:

Reduced coefficient of friction

Exceptional abrasion resistance

High-impact strength (will certainly not damage or ruin).

Chemical resistance.

FDA and also USDA accepted.

Broad temperature level variety (-450 ° to + 180 ° F

). Little or no moisture absorption.

Noise resistance.

Easy to device.

UHMW Polyethylene stands for ultra-high molecular weight polyethylene which has outstanding abrasion and also influence resistance. It will certainly last longer than steel, nylons and also other engineering plastics under continuous wear applications. Usual uses include marine dock building, bed linings as well as fenders for autos and components for broadband equipment. UHMW Polyethylene is offered in virgin and also recycled; virgin UHMW polyethylene is FDA certified and can be utilized in food applications while recycled UHMW polyethylene is not FDA certified and typically utilized in industrial setups. Call Acme Plastics for more information regarding UHMW Tubes.

What are the Advantages of UHMWPE Pipe Over Ordinary Plastic Pipes?

As a High Flexibility UHMWPE Pipe Suppliers, share with you. UHMWPE pipes are thermoplastic engineering plastics with an average molecular weight greater than 2.5 million polymerized by ethylene and butadiene monomers under the action of a catalyst. There is a big difference between ultra-high molecular weight polyethylene pipes and ordinary plastic pipes. The comprehensive performance of ultra-high molecular weight polyethylene pipes is better than ordinary plastic pipes and is used as wear-resistant pipes.

UHMWPE Dredging Pipe

UHMWPE Pipe's high molecular weight and highly entangled segment molecular structure gives it excellent mechanical properties and super anti-sliding friction, and its chemical stability is also excellent, except for slight corrosion of certain strong acids under high temperature conditions , Are not subject to the corrosion of general lye and acid. Scientific research results show that the ultra-high molecular weight polyethylene pipe has an anti-aging life of more than 50 years under natural light. Even if it is operated in the cold condition of minus 269°C, its wear resistance and impact resistance are basically unchanged, energy saving, environmental protection, and economic and efficient The characteristics are obvious.

Ordinary traditional plastic pipes have some defects, such as easy aging, no wear resistance, no impact resistance, etc., and now with the development of technology, the ultra-high molecular weight polyethylene pipe materials can be applied to the following areas: can be used as a belt Conveyor skirt, coal bunker lining, spiral transmission equipment protective edge and lining, coal chute lining, tumbling roller sleeve, stern tube bearing, etc. The ultra-high molecular weight polyethylene pipe not only has wear resistance 4 times to 7 times that of steel pipe, but also 10 times that of ordinary polyethylene and polypropylene, and under cold conditions of minus 269℃, wear resistance and impact resistance remain unchanged .

The ultra-high molecular weight polyethylene pipe has extremely high impact resistance. Among the existing engineering plastics, this product has the highest impact toughness value. Many materials will crack, break, break or fatigue due to surface stress during severe or repeated explosions. The ultra-high molecular weight polyethylene pipe is subjected to the cantilever beam impact test according to the GB standard to achieve no damage.

UHMWPE pipes are resistant to aggressive chemical substances. Except for the slight corrosion of certain strong acids at high temperatures, they are not corroded in other alkaline and acid solutions. It can be used in concentrated hydrochloric acid with a concentration of less than 80%, and its performance is quite stable in sulfuric acid with a concentration of less than 75% and nitric acid with a concentration of less than 20%.

Our company also has UHMWPE Dredging Pipe for sale, please contact us.

If you want to learn more, please visit our website UHMWPE Pipe Manufacturer.