Overview
The ML6421A,B Non-Spring Return Electric Linear Valve Actuators are suitable for use with low-voltage, single-pole double-throw (spdt), Series 60 two-position and floating controllers. These actuators operate standard valves in heating, ventilating, and air conditioning (HVAC)
applications. The ML7421A,B Non-Spring Return Electric Linear Valve Actuators are modulating control actuators used with control that provide an analog output of 0 to 10 Vdc or 2 to 10 Vdc. These actuators operate standard valves in HVAC applications. An internal selector plug can be used to reverse the direction of action.
Features
- Easy and quick 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
- High force for VGF Pressure-balanced valves
- No separate linkage required
- Conduit connector standard
- No adjustments required on linkage
- Accurate valve positioning
- Low power consumption
- High close-off ratings
- Force limiting end switches
- Manual operator
- Synchronous motor
- Maintenance free
Product Specifications
- Application
- HVAC
- Includes
- 1/2 in. conduit hub; 1/2 in. flexible conduit adapter
- Mounting
- Directly on V5011/V5013 Globe Valves and VGF Flanged Globe Valves
- Approvals, Underwriters Laboratories Inc.
- Flammability Rating UL94V-5V
- Approvals, Canadian Standards Association
- Certified
- Electrical Connections
- Screw terminals
- 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 (C)
- -10 C to +50 C
- Ambient Temperature Range (F)
- 14 F to 122 F
- Environmental, Electrical or Ingress Protection Rating
- Class I Insulation (24 Vac),IP54
- Internal Auxiliary Switch
- 0
- Fluid Temperature (C)
- 150 C Maximum
- Fluid Temperature (F)
- 300 F Maximum
- Actuator Type
- Valve
- Control Signal
- SPDT; Two position; Floating
- Fail Safe Mode
- Stays in place
- Torque Rating (lb-in.)
- 405 lbf
- Torque Rating (Nm)
- 1800 N
- Stroke (in.)
- 3/4 in.
- Stroke (mm)
- 20 mm
- Cable
- Two knockout holes for 1/2 in. conduit standard on actuator case
- Manual operation
- Knob
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