User guide

25
Technical data
Type S020
6.4.6. K factors (in pulse/litre) for saddles
When the dimensions of the pipe are slightly different from dimensions D and s given in the table, recalculate the K factor using one of
the formulae in chap. 6.4.2.
If the measuring device does not automatically convert the K factor, use the following conversion formulae before setting the para-
meters of the device:
• K factor in pulse/US gallon = K factor in pulse/litre x 3.785
• K factor in pulse/UK gallon = K factor in pulse/litre x 4.546
Table 19: K factors, external diameters and theoretical cross-sections of saddles
Measuring device
inserted
8020, 8024, 8025, 8026 8041, 8045 External diameters and theoretical cross-sections
Material of the pipe
PVC PE / PP PVC PE / PP
D
PVC
[mm]
s
PVC
[mm]
D
PP
[mm]
s
PP
[mm]
DN
50 14,2 (L) 15,6 (L) 10,4 (L) 9,28 (L) 63 4,7 63 5,8
65 11,2 (L) 12,3 (L) 14,5 (L) 12,9 (L) 75 5,5 75 6,9
80 7,37 (L) 7,80 (L) 21,3 (L) 20,4 (L) 90 6,6 90 8,2
100 4,83 (L) 5,29 (L) 33,0 (L) 30,4 (L) 110 8,1 110 10
110 3,45 (L) - 44,7 (L) - 125 9,2 - -
125 2,55 (L) 3,10 (L) 63,7 (L) 52,1 (L) 140 10,3 140 12,8
150 1,67 (L) 2,03 (L) 137 (L) 78,8 (L) 160 6,2 160 14,6
180 1,08 (L) 1,37 (L) 197 (L) 116 (L) 200 9,6 200 18,2
200 0,80 (L) 1,07 (L) 290 (L) 147 (L) 225 8,6 225 20,5
(L): long sensor version
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