B-505-UK-11-2013 REV. B
An
Company
Type 505 Spring Return - Sizing
Actuator
size
Spring Output Nm
Start - End
ISO 5211 / mm Product no.
BV Dimensions BV torque
Nm ISO 5211 / mm
52
13.8 - 9.1
14.8 - 10.2
F03-F05 / 11
5051052351
DN 40
DN 50
11.3
12.5
F05 / 11
63
27.3 - 18.6
25.0 - 16.4
F03-F05 / 11
5051063351
DN 65
16.2
F05 / 11
75
34.9 - 25.4
34.7 - 25.3
F03-F05 / 11 + 14
5051075351
DN 80
23.7
F05 / 11
83
56.1 - 38.9
55.2 - 38.0
F05-F07 / 14
5051083574
DN 100
35.0
F05 - F07 / 14
92
79.4 - 53.0
82.5 - 56.0
F05-F07 / 17
5051092577
105
112.5 - 80.6
118.1 - 75.9
F07-F10 / 17
5051105707
DN 125
58.7
F07 / 14
125
176.0 - 113.0
188.0 - 125.0
F07-F10 / 22
5051125702
DN 150
83.7
F07 / 17
140
307.0 - 203.0
310.0 - 206.0
F10-F12 / 22
5051140022
DN 200
163.7
F10 / 22
160
463.0 - 298.0
500.0 - 335.0
F10-F12 / 22
5051160022
DN 250
280.0
F10 / 22
190
797.0 - 535.0
742.0 - 480.0
F12 / 27
5051190228
DN 300
401.2
F10-F12 / 27
210
936.0 - 684.0
912.0 - 660.0
F14 / 27
5051210888
240
1323.0 - 979.0
1330.0 - 985.0
F14 / 36
5051240883
DN 350
770.0
F12-F14 / 27
270
2167.0 - 1623.0
1887.0 - 1342.0
F14 / 36
5051270883
DN 400
1093.7
F12-F14 / 27
Sizing - Spring Return Actuators for Butterfly Valves
The torque for the butterfly valves are with a safety factor of 25%. Please remember that the actuator torque is based on an air supply of 6 bar at
the actuator position.
Valves with a difference
12
