Honeywell ML7984 Catalog Page

Direct Coupled Valve Actuators
ML7984 Direct Coupled Linear Valve Actuators
The ML7984 is a self-contained, self-adjusting, motorized linkage that mounts directly onto V5011 two-way or V5013 three-way valves and provides up to 25 mm (1") of linear stem travel. For use with Series 70 2-10Vdc, 4-20mA; Series 90 135 ohm; and Electronic (Super Mod) modulating signals controllers.
• Self-contained, motorized valve linkage
• Linkage self-adjusts to valve stroke from 12 to 25 mm (1/2 - 1")
• Multi-pose mounting
• Strong valve seat closing force 160 bf (710 N)
• Compact size for easy installation in confined area
• One device for either Vac or Vdc power supply application
• Electronic current sensing provides internal protection and positive full closing force
• Field-addable position feedback/auxiliary switch module available
Actuator Type: Val ve Fail Safe Mode: Stays in place (Rated) Stem Force: 160 bf (710 N) Cable Entry: 7/8 in. hole for 1/2 in. conduit Dimensions, Approximate: 6 13/16 in. high x 4 in. wide x 3 3/16 in.
deep (173 mm high x 102 mm wide x 82 mm deep)
External Auxiliary Switches Available: 272630D Electrical Protection: NEMA 3R Electrical Connections: Screw terminals Ingress Protection Rating: NEMA 3R, IP54 (mounted in vertical
position)
Feedback: Position feedback available w/ 272630D; 2-10 Vdc Frequency: 50 Hz; 60 Hz Number of Internal Auxiliary Switch: 0 Manual operation: None Mounting: Screws onto 1/4-28 UNF threaded valve stem
Timing (seconds)
Product Number Control Signal
ML7984A4009/U SuperMod; 2 to 10 Vdc; 4 to 20
mA; 135 ohm potentiometer
Nominal Driving @ 60 Hz (Driving) (Holding)
63 at 3/4 in stroke
Switch Ratings
24 Vac 6 VA 12 VA Voltage - 20 Kohm,
Stroke: 1/2 to 1 in. (13 to 25 mm) Supply Voltage: 24 Vac; 28 Vdc Materials: UV-stabilized plastic cover, aluminum base & yoke Operating Humidity Range (% RH): 15 to 95% RH at 104 F (40 C) Ambient Temperature Range: 32 F to 130 F (0 C to 55 C) Temperature Ratings (Shipping): -40 F to +150 F (-40 C to + 65 C) Storage Temperature Range: -40 F to +150 F (-40 C to +65 C) Weight: 2.2 lb (1 kg) Includes: Screw terminals Comments: Direct/Reverse Acting Switch
Accessories:
272629A-Adapter Kit for mounting ML6984/ML7984 to V5045 and
VGF non-pressure balanced 2-way valves
272630D-Position feedback and SPDT pilot duty auxiliary switch
Power Consumption
Input Impedance Used With
Current - 237ohm
V5011/13, VGF21, and VGF22 up to 3 in.; V5045 w/ 272629A
586 customer.honeywell.com 70-6910
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