Flow Values And Characteristics - Burkert 2103 Manuel D'utilisation

Type 2103, 2104, 2105
Technicaldata
7.5 Flow values and characteristics
(for valves with 2/2-way valve body)
Flow values for DN8
Forged body (VS)
Stroke
EPDM PTFE
[m /h] [%] [m /h]
3 3
0 0 0 0
10 0 0 0
20 0 0 0,21
30 0,04 4 0,42
40 0,2 20 0,64
50 0,36 35 0,88
60 0,52 51 1,09
70 0,65 64 1,23
80 0,79 77 1,44
90 0,91 89 1,55
100 1,02 100 1,63
Tab. 8: Flow values for DN8
Cast body (VG)
EPDM PTFE
Kv value
[%] [m /h] [%] [m /h]
3 3
0 0 0 0
0 0 0 0
13 0 0 0,26
26 0 0 0,5
39 0,14 15 0,73
54 0,29 31 0,88
67 0,45 47 1,08
75 0,58 61 1,25
88 0,71 75 1,37
95 0,84 88 1,44
100 0,95 100 1,51
Flow characteristics for DN8
100
90
80
70
60
50
40
30
20
[%]
10
0
0
0 10 20
0
17
33
Fig. 28: Flow characteristics for DN8
48
58
72
83
91
95
100
VG
30 40 50 60 70 80
Stroke [%]
english
VS
90 100
21