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ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR VALVE ACTUATORS
SPECIFICATIONS
Models:
Model
Spring Return Action
ML6425A Drive valve stem down on power
failure
ML7425A
ML6425B Draw valve stem up on power
failure
ML7425B
Dimensions: Refer to Fig. 1.
Weight: 5.1 lb (2.3 kg).
Electrical Ratings:
Power Input: 24 Vac ±15%, 60 Hz.
Power Consumption:
ML6425: 11 VA maximum at 24 Vac.
ML7425: 12 VA maximum at 24 Vac.
Signal Source Output Resistance: 1 kOhm maximum.
Signal Load: 1 mA maximum.
Signal Inputs (Supply Voltage Between Terminals):
ML6425:
B and 24 Vac: Drive valve stem down.
W and 24 Vac: Draw valve stem up.
ML7425: 0 to 10 Vdc or 2 to 10 Vdc.
Stem Force: 135 lbf (600 N).
Actuator Stroke: 3/4 in. (19 mm).
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
63-2516—04
Actuator Run Time at 60 Hz: 90 seconds.
Description
Spring Return Time: 12 seconds.
Electric
Linear Valve
Temperature Ranges:
Actuator
Ambient: 14° to 122° F (-10° to +50° C).
Storage: -40° to +158° F (-40° to +70° C).
Maximum Valve Medium: 300° F (149° C).
Humidity: 5 to 95 percent relative humidity, noncondensing.
Close-off Pressure Ratings: Refer to Table 1.
Protection Standard: IP54.
Approvals:
Underwriter's Laboratories, Inc. UL94-5V Flame Retardant.
Meets CE requirements.
Cable entry: Conduit connector and one knockout on case.
Actuator Material:
Cover: ABS-FR plastic.
Base: PBTP-FR plastic.
Yoke: Diecast aluminum.
Accessories:
43191679-111 Single Auxiliary 10K ohm Potentiometer.
43191679-112 Single Auxiliary 220 ohm Potentiometer.
43191680-105 Dual Auxiliary Switch (for 24 Vac use only).
43196000-001 High Temperature Kit (1/2 to 3 in. valves).
Increases temperature range high-end to 428° F (220° C).
2
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