December 2019
Installation, Operation and Maintenance Manual
MAN-02-05-62-0742-EN Rev. 0
Installation
3.6
Flange and Stem on Butterfly Valves
Recommended / Normally used for BHH on butterfly valves.
3.7
Examples of different Installations of
BHH on Valves
Figure 3
Valve with “Standard” ISO5211
This example shows a BHH mounted on a Wouter Witzel EVFS with ISO 5211.
Table 1.
BHH
Flange
Stem
Size
Flange ISO 5212
DIN 6885
DIN79
Intrusion
125
F05
F07
ø17
ø16
45
250
N/A
F07
ø25
ø24
50
500
F07
F10
ø35
ø30
55
1000
F10
F12
ø42
ø36
63
2000
F12
F14
ø58
ø50
75
4000
F14
F16
ø74
ø63
85
8000
F16
F25
ø95
ø80
105
16000
F25
F30
ø95
ø85
132
32000
F30
F35
ø160
N/A
160
9
Section 3: Installation