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Products - PP-R PIPES & FITTINGS



Pipe Sizing

Pipe friction factor R

and calculated flow V in dependence on the flow velocity (v)

Roughness : 0.0070 mm
Temperature : 60oC
Density : 983.20kg/m3
K. Viscosity : 0.47 x 10 -6m2/s


Vesbo-pipe SDR 6 (PN 20)

V=flow rate (I/s) R=pressure gradient (mbar/m) v=flow velocity (m/s)
  dxsu 16x2.7 20x3.4 25x4.2 32x5.4 40x6.7 50x8.3 63x10.5 75x12.5 90x15.0 110x18.3
      V diu
10.6 mm 13.2 mm 16.6 mm 21.2 mm 26.6 mm 33.4 mm 42.0 mm 50.0 mm 60.0 mm   73.4   mm
4.60 R
V

7334.37
33.61		 2250.76
21.25		 643.77
13.03		 203.63
8.23		 66.85
5.31		 20.65
3.32		 8.72
2.34		 3.56
1.63		 1.35
1.09
4.80 R
V

7976.60
35.08		 2446.49
22.18		 699.21
13.60		 220.97
8.64		 72.47
5.54		 22.37
3.46		 9.44
2.44		 3.85
1.70		 1.46
1.14
5.00 R
V

8645.73
36.54		 2650.35
23.10		 756.92
14.16		 239.00
9.00		 78.32
5.78		 24.16
3.61		 10.19
2.55		 4.15
1.77		 1.57
1.19
5.20 R
V

9341.77
38.00		 2862.34
24.03		 816.90
14.73		 257.74
9.36		 84.39
6.01		 26.01
3.75		 10.96
2.65		 4.47
1.84		 1.69
1.24
5.40 R
V


3082.46
24.95		 879.14
15.30		 277.17
9.72		 90.67
6.24		 28.03
3.90		 11.76
2.75		 4.79
1.91		 1.81
1.28
5.60 R
V


3310.71
25.88		 943.67
15.86		 297.30
10.08		 97.18
6.47		 30.02
4.04		 12.59
2.85		 5.13
1.98		 1.94
1.33
5.80 R
V


3547.09
26.80		 1010.46
16.43		 318.13
10.44		 103.91
6.70		 32.07
4.19		 13.44
2.95		 5.47
2.05		 2.06
1.38
6.00 R
V


3791.60
27.72		 1079.52
17.00		 339.65
10.80		 110.86
6.93		 34.19
4.33		 14.33
3.06		 5.83
2.12		 2.20
1.43
6.20 R
V


4044.24
28.65		 1150.85
17.65		 361.87
11.16		 118.03
7.16		 36.87
4.48		 15.23
3.16		 6.19
2.19		 2.33
1.47
6.40 R
V


4305.01
29.57		 1224.45
18.13		 384.79
11.52		 125.42
7.39		 38.62
4.62		 16.17
3.26		 6.57
2.26		 2.47
1.52
6.60 R
V


4573.91
30.50		 1300.32
18.70		 408.40
11.88		 133.03
7.62		 40.94
4.76		 17.13
3.36		 6.96
2.33		 2.62
1.57
6.80 R
V


4850.94
31.42		 1378.47
19.26		 432.71
12.24		 140.87
7.85		 43.32
4.91		 18.12
3.46		 7.35
2.41		 2.77
1.62
7.00 R
V


5136.09
32.34		 1458.88
19.83		 457.72
12.60		 148.92
8.09		 45.76
5.05		 19.14
3.57		 7.76
2.48		 2.92
1.66
7.50 R
V


5884.55
34.65		 1669.84
2.25		 523.29
13.50		 170.01
8.66		 52.16
5.41		 21.88
3.82		 8.83
2.65		 3.32
1.78
8.00 R
V


6683.80
36.96		 1894.98
22.66		 593.20
14.40		 192.49
9.24		 58.96
5.77		 24.71
4.07		 9.96
2.83		 3.74
1.90
9.00 R
V


8434.72
41.58		 2387.82
25.50		 746.09
16.20		 241.55
10.40		 73.80
6.50		 30.86
4.58		 12.42
3.18		 4.66
2.14
10.00 R
V



2937.39
28.33		 916.37
17.99		 296.12
11.55		 90.26
7.22		 37.67
5.09		 15.21
3.54		 5.66
2.38


d = outside diameter (mm)
s = wall thickness (mm)
di = inside diameter (mm)