Attachment To Rotary Actuators - Samson 3767 Mounting And Operating Instructions

3.3 Attachment to rotary
actuators
The positioner can also be mounted on ro-
tary actuators according to VDI/VDE 3845
(September 2010) using the mounting parts
listed in Table 7.
Table 7: Complete mounting parts, including range spring 2, but not including the cam disk
Actuator acc. to VDI/VDE 3845 (September 2010), level 2
SAMSON Type 3278 Actuator
VETEC Type S
VETEC Type R
Attachment Masoneilan
Required range spring
Standard operation of reference variable, range spring 2 (4.5 coils)
Split-range operation, range spring 1 (9.5 coils, installed as standard)
Cam disk with accessories
~, linear basic characteristic
~, equal percentage basic characteristic
~, linear
1)
~, equal percentage
2)
~, linear
1)
~, equal percentage
2)
~, linear
1)
~, equal percentage
2)
Accessories
See list on page 24
Linearizes the flow characteristic
1)
Creates an equal percentage flow characteristic
2)
Based on opening angle
3)
EB 8355-2 EN
(0050-0072), 0 to 90° opening angle, also for
3)
Type 3310
3)
(0050-0073), 0 to 90° opening angle
(0050-0080), 0 to 70° opening angle, for control
butterfly valves
(0050-0081), 0 to 70° opening angle, for control
butterfly valves
(0050-0074, VETEC), 0 to 75° opening angle
(0050-0075, VETEC), 0 to 75° opening angle
(0059-0007, Camflex) to be set between 0 and 55°
(0059-0008, Camflex) to be set between 0 and 55°
Mounting on control valves
160 cm²
320 cm²
R 110 to R 250
Camflex I, DN 25 to 100
Camflex I, DN 125 to 250
Camflex II
Order no.
1400-8815
1400-7103
1400-7104
1400-7117
1400-7118
1400-7119
1400-7120
Order no.
1400-6443
1400-6442
Order no.
1400-6664
1400-6665
1400-6774
1400-6775
1400-6666
1400-6667
1400-6637
1400-6638
25