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.
Non-spring return direct-coupled Valve Actuator with 405 lbf rated force
24 Vac 1800 N Electric Actuator
Non-spring return direct-coupled Valve Actuator with 405 lbf rated force
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