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PPR pipe

  • PPR管材 Product name: PPR pipe
  • PPR管材系列 Product Category: PPR Pipe Series
  • 山东塑胶有限公司 Company Name: Shandong Plastic Co., Ltd.
  • Model specifications:
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  • 14/06/10 Added: 14/06/10
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Product Details
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PP-R pipe is made of random copolymer polypropylene, which has both good low temperature impact resistance and long-term heat resistance.
Application areas:
Cooling and heating systems for industrial and civil buildings, heating systems in buildings, including floor, slab heating and radiant heating systems, pure drinking water supply systems for direct drinking, beverage production and delivery systems, central air conditioning systems and pipes for compressed air Industrial chemical medium conveying and draining system, solar water pipe, swimming pool pipe network, rainwater pipe network and ship building, etc. Other industrial and agricultural pipes.


PP-R pipe size and tolerance (GB / T 18742-2000 national standard)

Nominal Foreign Economy (dn)

Outer diameter deviation

Pipe type

Length (mm)

Standard size ratio (tube series) (engineering pressure PN)

S5 (1.25mpa)

S4 (1.6mpa)

S3.2 (2.0mpa)

S2.5 (2.5mpa)

Wall thickness C

Wall thickness C

Wall thickness C

Wall thickness C

16

+0.3
0

-

-

2.0

+0.3
0

2.2

+0.4
0

2.7

+0.4
0

4000+

10
0

20

+0.3
0

2.0

+0.3
0

2.3

+0.4
0

2.8

+0.4
0

3.4

+0.5
0

25

+0.3
0

2.3

+0.4
0

2.8

+0.4
0

3.5

+0.5
0

4.2

+0.6
0

32

+0.3
0

2.9

+0.4
0

3.6

+0.5
0

4.4

+0.6
0

5.4

+0.7
0

40

+0.4
0

3.7

+0.5
0

4.5

+0.6
0

5.5

+0.7
0

6.7

+0.8
0

50

+0.5
0

4.6

+0.6
0

5.6

+0.7
0

6.9

+0.8
0

8.3

+1.0
0

63

+0.6
0

5.8

+0.7
0

7.1

+0.9
0

8.6

+1.0
0

10.5

+1.2
0

75

+0.7
0

6.8

+0.8
0

8.4

+1.0
0

10.3

+1.2
0

12.5

+1.4
0

90

+0.9
0

8.2

+1.0
0

10.1

+1.2
0

12.3

+1.4
0

15.0

+1.7
0

110

+1.0
0

10.0

+1.1
0

12.3

+1.4
0

15.1

+1.7
0

18.3

+2.0
0

160

+1.5
0

14.6

+1.6
0

17.9

+1.6
0

21.9

+2.3
0

26.6

+2.8
0

Note:
1. The length of the pipe is generally 4M, which can also be determined through negotiation according to the requirements of the buyer.
2. The commonly used pipe series are S5, S4, S3.2, S2.5, and other pressure grade pipes need to be specially ordered and manufactured.

Physical-mechanical and chemical functions of PP-R pipes

project

Test parameters

Number of samples

index

Test temperature ℃

Test time h

Hydrostatic pressure Mpa


Longitudinal retraction rate

13 ± 52

en≤8mm: 1
8mm < en≤16mm: 2
en > 16mm: 4

--

3

≤2%

Simple supported beam impact test

0 ± 2

--

--

10

Damage rate ≤ 10% of the sample

Hydrostatic test

20
95
95
95

2
twenty two
165
1000

16.0
4.2
3.8
3.5

3

No cracks or leaks

Mass flow rate of solution MFR (230 ℃ / 2.16kg) g / 10min

3

Change rate ≤ 30% of raw materials

Thermal stability test under hydrostatic pressure

110

8760

1.9

1

No cracks or leaks

Density g / cm3

0.89-0.91

Modulus of elasticity 20 ℃ N / mm2

800

Coefficient of linear expansion mm / mk

0.14-0.16

Thermal conductivity W / mk

0.23-0.24



Popular cities of PPR pipe products: Shandong, Hebei, Inner Mongolia, Liaoning, Shanxi
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