Johnson Controls VA-3100 Series Catalog Page

VA-3100 Series

Electric Valve Actuator

VA-3100 Series Electric Valve Actuators

Code No. LIT-1900065
Issued January 2, 2014

Description

VA-3100 Series Electric Valve Actuators use a
synchronous motor to accurately position
Johnson Controls® VG2000 Series Cast Iron
Flanged Globe Valves in HVAC and industrial
applications. These non-spring-return electric
actuators have a 675 lb (3,000 N) force output
for on/off (floating) or proportional control.
Integral auxiliary switches are available to
indicate end-stop position or to perform
switching functions. Position feedback is also
available through an isolated 2,000 ohm
potentiometer. All models feature a manual
hand crank for manual positioning of the valve,
independent of a power supply.

Refer to the VA-3100 Series Electric Valve
Actuators Product Bulletin (LIT-977283) for
important product application information.

Features

• synchronous motor with pressure switches

• provides a constant running speed and
establishes fixed closeoff forces

• two-bolt coupler clamp provides quick and
easy coupling of the actuator to the valve
stem

• on/off (floating) or proportional control
allows optimal choice of control signal

• adjustable starting point, span, and action
(proportional control model only) provides
application flexibility and allows for easy
sequencing from only one output signal

• 0 to 10 VDC position feedback signal
(proportional control model only) provides
accurate valve position indication in
response to an input signal up to 10 VDC

• auxiliary switches and feedback
potentiometer available on select models
provide independent verification of actuator
position

• manual hand crank allows for manual
positioning of the valve, independent of a
power supply

Selection Chart

Description Actuator Model

VA-3100­AGA

On/Off (Floating) Control —
Proportional Control — — 
Feedback:

2,000 Ohm Potentiometer —  —
Two Auxiliary Switches — 

Stem and Valve Size:

M Stem (3/8 in.),
2-1/2 through 4 in. Valves

N Stem (1/2 in.), 5 and 6 in.
Valves

VA-3100­AGC





VA-3100­HGC

Accessories

Code
Number

VA-3100-101 Auxiliary Switch Cam Adjusting Wrench (Used on

VA-3100-500 Mounting Kit for Field Mounting VA-3100 Series

VA-3100-501 Mounting Kit for Field Mounting VA-3100 Series

1. lb x 0.454 = kg.

Description Ship.Wt.,

VA-3100 Series Elect r ic Actuators – One Wrench
is Supplied with Each Actuator)

Electric Actuators to 2-1/2 through 4 in.
VG2000 Series Cast Iron Flanged Globe Valves
with 3/8 in. M Stem (Kit Includes One Stem Jam
Nut, One Yoke Adaptor, One Packing Nut, One
2-1/4 in. Length Stem Ada ptor for 2-1/2 in . Valves,
and One 2-1/2 in. Length Stem Adaptor for 3 and
4 in. Valves)

Electric Actuators to 5 and 6 in. VG2000 Series
Cast Iron Flanged Globe Valves with 1/2 in.
N Stem (Kit Includes One Stem Jam Nut, One
Yoke Adaptor, One Packing Nut, and One Stem
Adaptor)

lb

0.1

3.0

3.5

1

Repair Information

If the VA-3100 Series Electric Valve Actuator
fails to operate within its specifications,
replace the unit. For a replacement actuator,
contact the nearest Johnson Controls
representative.

Technical Specifications

VA-3100 Series Electric Valve Actuators

Force Output 675 lb (3,000 N)
Power

Requirements

Input Signal On/Off (Floating)

Input Impedance Proportional

Feedback Signal VA-3100-AGC Only 0 to 2,000 Ohms

Switch Contact Rating 5 A, 24 VAC
Maximum Stroke 1-21/32 in. (42 mm)
Nominal Timing for 1 in. Stroke 92 Seconds
Ambient Operating

Temperature Limits
(Limited by the
Actuator)

Agency Compliance UL 873 Listed, File E27734;

Enclosure Rating NEMA 3/3R, IP 54
Shipping Weight 9.7 lb (4.4 kg)

On/Off (Floating)
Control Models

Proportional
Control Models

Control Models
Proportional

Control Models

Control Models
Only

VA-3100-HGC Only Approximately 9 VDC Span

On/Off (Floating)
Control Models

Proportional
Control Models

20 to 28 VAC, 60 Hz;
16 VA Minimum

20 to 28 VAC, 60 Hz;
18 VA Minimum

20 to 28 VAC, 60 Hz

0 to 10 VDC

5,600 Ohms

(0.5 VDC with Valve Stem Fully
Down; 9.5 VDC with Valve Stem
Fully Up)

14 to 140°F (-10 to 60°C)

14 to 122°F (-10 to 50°C)

CSA C22.2 No. 139 Certified

The performance specifications are nomina l and conf orm to accep table industr y standar ds. For ap plications a t condition s beyond th ese specification s, consult the local Johnson Controls o ffice.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2014 Johnson Controls, Inc.

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