Burkert 8600 Notice D'utilisation page 31

4 OPERATION
Fig. 8 Specific fitting factors (K) for different nominal diameters and materials
DN
mm Inches
15
20
25
32
40
50
65
80
100
DN
15
20
25
32
40
50
65
80
100
The specific fitting factor was measured with water at 20°C at a flow rate of 2 m/s on an approved calibration system.
This fitting factor depends on the installation conditions. Repeatability is better than ± 0,4%
with Bürkert standard fitting with specific dimensions (see data sheets 8025, 1500, 1501)
with Bürkert welded pipe adapters and saddle fittings, under reference conditions (medium and pipe
dimensions). If these conditions are not used, the above fitting factors may change. Please contact Bürkert for
advice.
Note : Conversion into imperial gallons ; K (pulse/ImpGal) = 4.55 x K (pulse/l)
8600
Metal
1/2 117,6
3/4 68,8
1 42,7
1 1/4 25,4
1 1/2 17,73
2 11,46
2 1/2 7,01
3 5,04
4 2,85
1/2 445,2
3/4 260,4
1 161,6
1 1/4 96,1
1 1/2 67,11
2 43,38
2 1/2 26,54
3 19,08
4 10,79
Specific fitting factor (K) (pulse/l)
PVC
139,8
74,4
46,6
28,6
17,61
10,18
7,30
4,56
2,83
Specific fitting factor (K) (pulse/USgal)
529,2
281,6
176,4
108,3
66,66
38,54
27,63
17,26
10,71
-31-
PP PVDF
155,1 131,6
88,1 79,1
50,6 49,2
34,8 31,1
19,60 17,30
12,00 9,76
7,43 6,75
4,64 4,48
2,88 2,80
587,1 498,2
335,5 299,4
191,5 186,2
131,7 117,7
74,19 65,49
45,42 36,95
28,13 25,55
17,56 16,96
10,90 10,60