PRODUCT DATA
® U.S. Registered Trademark
Copyright © 1996 Honeywell Inc. • All Rights Reserved
X-XX UL
63-2517-1
ML7421A,B
Electric Linear Valve Actuator
APPLICATION
The ML7421A,B Electric Linear Valve Actuators are
modulating control motors for use with low-voltage controls
that provide an analog output of 0 to 10 Vdc or 2 to 10 Vdc.
These actuators operate standard Honeywell valves in
heating, ventilating, and air conditioning (HVAC) applications.
FEATURES
•
Quick and easy installation.
•
No separate linkage required.
•
3/4 in. (20 mm) stroke on ML7421A;
1-1/2 in. (38 mm) stroke on ML7421B.
•
No adjustments required.
•
Accurate valve positioning.
•
Low power consumption.
•
High close-off ratings.
•
Force-limiting end switches.
•
Manual operator.
•
Synchronous motor.
•
Corrosion-resistant design.
•
Maintenance free.
•
Conduit connector knockout.
Contents
Application ..........................................................................
1
Features ..............................................................................
1
Specifications ......................................................................
2
Ordering Information ...........................................................
2
Installation ...........................................................................
3
Operation ............................................................................
6
Checkout .............................................................................
7
