Burkert Type 2105 User Manual
Page 23
23
Technicaldata
flow characteristics for dn15
stroke [%]
k
v
value
[%
]
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
Vg
Vs
Fig. 29: Flow characteristics for DN15
flow values for dn20
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
0.50
5
0.40
5
0.10
1
0.60
6
20
1.0
11
0.80
9
0.30
3
1.1
10
30
2.3
25
1.8
21
2.2
21
2.5
24
40
3.4
37
2.9
33
4.2
39
3.9
37
50
5.3
58
4.9
56
6.1
57
6.3
60
60
6.5
71
6.2
71
7.6
71
7.9
75
70
7.2
79
6.8
78
8.8
82
8.6
82
80
7.7
85
7.5
86
9.8
92
9.5
90
90
8.4
92
8.2
94
10.5
98
10.3
98
100
9.1
100
8.7
100
10.7
100
10.5
100
Tab. 10: Flow values for DN20
english
Type 2103, 2104, 2105