5 flow values and characteristics, For valves with 2/2-way valve body), English – Burkert Type 2105 User Manual
Page 21
21
Technicaldata
0
1
2
3
4
5
6
7
10
0
1
2
3
4
5
6
7
8
9
10
9
8
DN2
5
DN4
0
pilot pressure [bar]
m
edium
pressure
[bar]
ø 90 ptfe
Fig. 26: Pressure graph, actuator ø 90 mm, control function I,
PTFE elastomer diaphragm
0
1
2
3
4
5
6
7
10
0
1
2
3
4
5
6
7
8
9
10
9
8
DN4
0
DN5
0
pilot pressure [bar]
m
edium
pressure
[bar]
ø 130 ptfe
Fig. 27: Pressure graph, actuator ø 130 mm, control function I,
PTFE elastomer diaphragm
7.5
flow values and characteristics
(for valves with 2/2-way valve body)
flow values for dn8
stroke
forged body (Vs)
cast body (Vg)
epdm
ptfe
epdm
ptfe
Kv value
[m
3
/h]
[%]
[m
3
/h]
[%]
[m
3
/h]
[%]
[m
3
/h]
[%]
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0
20
0
0
0,21
13
0
0
0,26
17
30
0,04
4
0,42
26
0
0
0,5
33
40
0,2
20
0,64
39
0,14
15
0,73
48
50
0,36
35
0,88
54
0,29
31
0,88
58
60
0,52
51
1,09
67
0,45
47
1,08
72
70
0,65
64
1,23
75
0,58
61
1,25
83
80
0,79
77
1,44
88
0,71
75
1,37
91
90
0,91
89
1,55
95
0,84
88
1,44
95
100
1,02
100
1,63
100
0,95
100
1,51
100
Tab. 8: Flow values for DN8
english
Type 2103, 2104, 2105