December 2019
Installation, Operation and Maintenance Manual
MAN-02-05-62-0742-EN Rev. 0
Adjusting the Valve Disc
5.1.1
Standard Opening / Closing Time for Butterfly Valves
NOTE:
Actuators with LPU or LPUM might not correlate to the time stated in the table then use
the Table 4 on Section 5.1.3 and Table 5 on Section 5.1.4.
Table 2.
Valve diameter (mm)
Open / closing time (s)
50
3 - 6
100
7 - 10
150
11 - 14
200
15 - 18
250
19 - 22
300
23 - 26
350
27 - 30
400
31 - 35
450
35 - 40
500
36 - 42
550
43 - 50
600
47 - 55
650
51 - 60
700
55 - 65
750
60 - 70
800
63 - 75
17
Section 5: Adjusting the Valve Disc