VA9208-Bxx-x Series On/Off Electric Spring Return Valve Actuators Installation Instructions
11
Auxiliary Switch
Rating
-xxC Models
Two Single-Pole, Double-Throw (SPDT), Double-Insulated Switches with Gold
over Silver Contacts:
AC 24 V, 50 VA Pilot Duty
AC 120 V, 5.8 A Resistive, 1/4 hp, 275 VA Pilot Duty
AC 240 V, 5.0 A Resistive, 1/4 hp, 275 VA Pilot Duty
Spring Return
Direction is Selectable with Mounting Position of Actuator:
Actuator Face Labeled A is Away from Valve: CCW Spring Return
Actuator Face Labeled B is Away from Valve: CW Spring Return
Rated Torque
Power On
(Running)
70 lb·in. (8 N·m) All Operating Temperatures
Power Off
(Spring Returning)
70 lb·in. (8 N·m) at Standard Operating Temperatures
53 lb·in. (6 N·m) at Extended Operating Temperatures
Rotation Range
Maximum Full Stroke: 95°
Rotation Time for
90 Degrees of
Travel
Power On
(Running)
55 to 71 Seconds for 0 to 70 lb·in. (8 N·m) Load, at all Operating Conditions
60 Seconds Nominal at Full Rated Load (0.25 rpm)
Power Off
(Spring Returning)
13 to 26 Seconds for 0 to 70 lb·in. (8 N·m) Load, at Room Temperature
21 Seconds Nominal at Full Rated Load
39 Seconds Maximum with 70 lb·in. (8 N·m) Load, at -4°F (-20°C)
108 Seconds Maximum with 53 lb·in. (6 N·m) Load at -40°F (-40°C)
Life Cycles
60,000 Full Stroke Cycles with 70 lb·in. (8 N·m) Load
Audible Noise
Rating
Power On
(Running)
<47 dBA at 70 lb·in. (8 N·m) Load, at a Distance of 39-13/32 in. (1 m)
Power On
(Holding)
<20 dBA at a Distance of 39-13/32 in. (1 m)
Power Off
(Spring Returning)
<52 dBA at 70 lb·in. (8 N·m) Load, at a Distance of 39-13/32 in. (1 m)
Electrical
Connections
Bxx-3 Models
48 in. (1.2 m) UL 758 Type AWM Halogen Free Cable with 18 AWG
(0.85 mm
2
) Conductors and 1/4 in. (6 mm) Ferrule Ends
Auxiliary Switches
(-xxC Models)
48 in. (1.2 m) UL 758 Type AWM Halogen Free Cable with 18 AWG
(0.85 mm
2
) Conductors and 1/4 in. (6 mm) Ferrule Ends
Conduit Connections
Integral Connectors for 3/8 in. (10 mm) Flexible Metal Conduit
Fluid
Temperature
Limits
VG12x1 and VG18x1
Series
23 to 203°F (-5 to 95°C), Not Rated for Steam Service
VG12x5 and VG18x5
Series
-22 to 212°F (-30 to 100°C), Not Rated for Steam Service
VG12x5 and VG18x5
Series with
M9000-561 Thermal
Barrier Installed
-22 to 284°F (-30 to 140°C) water; 15 psig (103 kPa) at 250°F (121°C)
Saturated Steam
Ambient
Conditions
Standard Operating
-4 to 140°F (-20 to 60°C); 90% RH Maximum, Noncondensing
Extended Operating
-40 to 4°F (-40 to -20°C); 90% RH Maximum, Noncondensing
Storage
-40 to 185°F (-40 to 85°C); 95% RH Maximum, Noncondensing
Enclosure Rating
NEMA 2 (IP54) for all Mounting Directions
VA9208-Bxx-x Series On/Off Electric Spring Return Actuator (Part 2 of 3 )
