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F-27855-1066
Spring Return Forta Factory Assemblies Model Table
Model
Actuator
Code
Force Power
Running
Watts
Transformer
Size
Floating
Control
a
Proportional
Control
b
Feedback
Voltage
a
(2) SPDT Aux
Switches
c
Spring
Return
Action
M900 AR-VB
650
157 lbf
(700 N)
24 Vac
50/60 Hz
20…30 Vdc
1.5 A
21 50 Va Yes
0…1 Vdc,
2…10 Vdc,
4…20 Ma
2…10 Vdc or
0-5 Vdc
No Retract
M900 ARW-
VB
660
a - Dip switch selectable.
b - 0…5, 2…6 or 5…10, 6…10 also selectable by dip switch.
c - S2 auxiliary switches may be added in the field order 880 0104 000.
NOTE: Suffix W= NEMA 4 Weather
Spring Return Forta Actuators for Field Assembly
Model
VB-7000
Mounting
Kit
Required
Force Power
Running
Watts
Transformer
Size
Floating
Control
a
Proportional
Control
b
Feedback
Voltage
a
(2) SPDT Aux
Switches
c
Spring
Return
Action
M900AR
AV-821
157 lbf
(700 N)
24 Vac
50/60 Hz
20…30
Vdc
1.5 A
21 50 Va Yes
0…10 Vdc,
2…10 Vdc,
4…20 Ma
2…10 Vdc or
0-5 Vdc
No
Retract
M900AE
Extend
M900AR-VB
None
Retract
M900ARW
AV-821
M900ARW-VB
None
M900ARW-S2
AV-821 Yes
Retract
M900AEW-S2
Extend
a - Dip switch selectable.
b - 05, 26 or 510, 610 also selectable by dip switch.
c - S2 auxiliary switches may be added in the field. Order 880 0104 000.
NOTE: Suffix W= NEMA 4 Weather
Note: When installing valve and actuator assemblies, observe the minimum and maximum fluid and ambient temperature limits shown .
Restrictions on Ambient Temperature for Forta Valve Actuators
Fluid Temperature in Valve Body Maximum Allowable Ambient Temperature
a
Chilled Water 122°F (50°C)
281°F (138°C) 113°F (45°C)
300°F (149°C) 107°F (42°C)
340°F (171°C) 100°F (38°C)
366°F (186°C) 90°F (32°C)
a - Minimum allowable ambient operating temperature 14°F (-10°C).
Forta M900 Factory & Field
Assembly SR Models
4. VB-7000 Globe Valves
Actuators & Linkages
4. VB-7000 Series Globe Valves
Actuators & Linkages