Honeywell Valve Actuators ML7421A1032, ML7421A3004/U, ML7421B1023, ML7421B3003/U

ML7421

Honeywell ML7275 spring return direct coupled actuators provide proportional control for dampers. It uses a current or voltage signal from an electronic controller to position a damper at any point between fully open/closed.

ML7421A1032

Non-spring return direct-coupled Valve Actuator with 405 lbf rated force

ML7421A3004/U

24 Vac 1800 N Electric Actuator

ML7421B1023

Non-spring return direct-coupled Valve Actuator with 405 lbf rated force

ML7421B3003/U

Electric linear Valve Actuator

Overview

Honeywell ML7421A, B non-spring return electric linear valve actuators provide an analog output of 0 to 10 Vdc or 2 to 10 Vdc.An internal selector plug can reverse the direction of action. They operate standard Honeywell valves in HVAC applications.

Features

Quick, easy installation on valves with 1 3/8-in. bonnet and 3/4-in. stroke, or with 1 7/8-in. bonnet and 1 1/2-in. stroke
No separate linkage required and no adjustments required on linkage
High force for VGF pressure-balanced valves and accurate valve positioning
Low power consumption and high close-off ratings
Force limiting end switches and manual operation
Synchronous motor
Maintenance free

Product Specifications

Application: HVAC
Dimensions (in.): 10 3/8 in. high x 7 in. wide x 7 in. deep
Dimensions (mm): 264 mm high x 178 mm wide x 178 mm deep
Includes: 1/2 in. flexible conduit adapter; 1/2 in. conduit hub
Weight (lb): 5.1 lb
Weight (kg): 2.3 kg
Materials: ABS Plastic
Mounting: Directly on V5011/V5013 Globe Valves and VGF Flanged Globe Valves
Frequency: 50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.: Flammability Rating UL94V-5V
Approvals, Canadian Standards Association: Certified
Electrical Connections: Screw terminals
Operating Humidity Range (% RH): 5 to 95% RH
Supply Voltage: 24 Vac +10%, -15%
Power Consumption: Driving-- 12 VA
Shipping and Storage Temperature Range (F): -40 F to +158 F
Shipping and Storage Temperature Range (C): -40 C to +70 C
Approvals, CE: Recognized
Ambient Temperature Range (F): 14 F to 122 F
Ambient Temperature Range (C): -10 C to +50 C
Environmental, Electrical or Ingress Protection Rating: IP54,Class I Insulation (24 Vac)
Internal Auxiliary Switch: 0
Fluid Temperature (C): 150 C Maximum
Fluid Temperature (F): 300 F Maximum
Actuator Type: Valve
Control Signal: 0 to 10 Vdc; 2 to 10 Vdc
Fail Safe Mode: Stays in place
Torque Rating (lb-in.): 405 lbf
Torque Rating (Nm): 1800 N
Switches: Yes
Stroke (in.): 3/4 in.
Stroke (mm): 20 mm
Cable: Two knockout holes for 1/2 in. conduit standard on actuator case
Timing, Nominal: Driving @ 60 Hz-- 95 sec
Feedback: 2-10 Vdc
Manual operation: Knob

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