K Factors (In Pulse/Litre) For Screw-Ons - Burkert S020 Manuel D'utilisation

6.4.8.

K factors (in pulse/litre) for screw-ons

When the dimensions of your 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 22: K factors, external diameters and theoretical cross-sections of screw-ons
measuring device inserted
material of the pipe
dn
100
110
125
150
180
200
250
300
350
400
(L): long sensor version
28
8020, 8024, 8025, 8026
pVc pp / pe
4,83 (L) 5,29 (L)
3,45 (L) -
2,55 (L) 3,10 (L)
1,67 (L) 2,12 (L)
1,08 (L) 1,37 (L)
0,80 (L) 1,07 (L)
- 0,63 (L)
- 0,42 (L)
- 0,30 (L)
- 0,23 (L)
English
8041, 8045
pVc pp / pe
[mm]
33,0 (L) 30,4 (L)
44,7 (L) -
63,7 (L) 52,1 (L)
137 (L) 78,8 (L)
197 (L) 116 (L)
290 (L) 147 (L)
- 347 (L)
- 510 (L)
- 705 (L)
- 931 (L)
Type S020
Technicaldata
external diameters and theoretical
cross-sections
d s d
pVc pVc pe/pp
[mm] [mm]
110 8,1 110
125 9,2 125
140 10,3 140
160 6,2 160
200 9,6 200
225 8,6 225
- - 280
- - 315
- - 355
- - 400
s
pe/pp
[mm]
10
11,4
12,8
14,6
18,2
20,5
25,5
28,7
32,3
36,4