Emerson El-O-Matic ELQ Series Installation, Operation & Maintenance Manual page 6

TM
2.3 Operation times
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.
B = 100%
Torque
0
Butterfly valve
B = 100%
Torque
0
B = 100%
Torque
0
2.3.1 Torque characteristics of valves
B = Break torque
R = Run torque
S = Seating torque
6
Installation Operation & Maintenance manual ELQ
Ball valve
S = 60%
R = 30%
90° 0
Rotation
S = 80%
R = 20%
90° 0
Rotation
Plug valve
R/S = 90%
90° 0
Rotation
table 2.2 Operating time (in sec.)
ELQ 100
ELQ 200
ELQ 300
ELQ 500
ELQ 800
DOC.55.EDN Rev: E
October 2012
No Maximum
load load
6 10
8 14
13 18
17 22
28 36