TM
6
Installation Operation & Maintenance manual ELQ
DOC.55.EDN Rev: E
October 2012
2.3
Operation times
B = 100%
R/S = 90%
0
0
90°
B = 100%
S = 80%
S = 60%
R = 20%
0
0
90°
B = 100%
R = 30%
0
0
90°
table 2.2 Operating time (in sec.)
No
load
Maximum
load
ELQ 100
6
10
ELQ 200
8
14
ELQ 300
13
18
ELQ 500
17
22
ELQ 800
28
36
Ball valve
Torque
Rotation
Butterfly valve
Torque
Plug valve
Torque
Rotation
Rotation
2.3.1 Torque characteristics of valves
B = Break torque
R = Run torque
S = Seating torque
Operation times are nominal. The actual operation
time will vary depending on the torque characteristic
of the valve. For other operating times see speed
control option.