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  P.P.R. Pipes & Fittings
 
pipes
    P.P.R. Pipes & Fittings  
pipes
     
       
   
 
  Advantages :
> Operational life more than 50 years.
> Suitable to use up to 95oC.
> 100% leakage free joints.
>
 Corrosion free & low noise system.
>
 UV Stabilized.
>
 Lower thermal conductive.
>
 Food Grade.
>
 Homogeneous joint best resistart against earth quake.
>
 Light in weight and easy in installation.
>
 Best in chemical processing.water treatment plant and
>
 other industrial application.
   
 
       
    Pipe specification (As per DIN 8077/8078)  
       
   

Outside Diameter & Tolerance (In mm)

SDR 11 (PN 10)
Wall thickness (In mm)

SDR 7.4 (PN 16)
Wall thickness (In mm)

SDR 6 (PN 20)
Wall thickness (In mm)
min
max
min
max
min
max
20 + 0.3

1.9
2.3
2.8
3.3
3.4
4.0

25 + 0.3

2.3
2.8
3.5
4.1
4.2
4.9

32 + 0.3

3.0
3.5
4.5
5.2
5.4
6.2

40 + 0.4

3.7

4.3
5.6
6.4
6.7
7.6

50 + 0.5

4.6

5.3
6.9
7.8
8.4
9.5

63 + 0.6

5.8

6.6
8.7
9.8
10.5
11.8
 
       
    Guidelines for welding PP-R pipes & fittings with manual welding machine  
       
   

Outer Diameter for pipes(mm)

Heating Up (Second)

Processing (Second)

Cooling Period (Minutes)
Depth of welding(mm)
20

5
4
2
14

25

7
4
2
15

32

8
6
4
16

40

12
6
4
18

50

18

6
4
20

63

24

8
6
24
 
       
    Suitable Operating Pressure  
       
   

Temperature oC

Service Life in years
Processing (Second)

Cooling Period (Minutes)
Depth of welding(mm)
PN 10
PN 16
PN 20
10oC
1
17.6
28.2
35.2
5
16.5
26.5
33.1
10
16.1
25.8
32.3
25
15.6
25.0
31.2
50
15.2
24.3
30.4
100
14.8
23.7
29.6
20oC
1
14.9
23.9
29.9
5
14.1
22.6
28.3
10
13.7
22.0
27.5
25
13.3
21.3
26.7
50
12.9
20.7
25.9
100
12.5
19.5
25.1
30oC
1
12.8
20.5
25.6
5
12.0
19.2
24.0
10
11.6
18.6
23.2
25
11.2
17.9
22.4
50
10.9
17.5
21.9
40oC
1
10.8
17.3
21.6
5
10.1
16.2
20.3
10
9.9
15.8
19.7
25
9.5
15.2
18.9
50
9.2
14.7
18.4
50oC
1
9.1
14.6
18.3
5
8.5
13.7
17.1
10
8.3
13.2
16.5
25
8.0
12.8
16.0
50
7.7
12.4
15.5
60oC
1
7.7
12.4
15.5
5
7.2
11.5
14.4
10
6.9
11.1
13.9
25
6.7
10.7
13.3
50
6.5
10.4
12.9
70oC
1
6.5
10.5
13.1
5
6.0
9.6
12.0
10
5.8
9.3
11.6
25
4.9
7.9
9.9
50
4.3
6.8
8.5
80oC
1
5.5
8.8
10.9
5
4.8
7.7
9.6
10
4.0
6.4
8.0
25
3.2
5.1
6.4
95oC
1
3.9
6.2
7.7
5
2.6
4.1
5.2
10
2.2
3.5
4.3
 
   
 
   
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