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SUBMITTAL SHEETS
Direct Coupled Valve Actuator
ML7984
ML7984
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 in.) of linear stem travel. For use
with Series 70 2-10Vdc, 4-20mA; Series
90 135 ohm; and Electronic (Super Mod)
modulating signals controllers.
SPECIFICATIONS
Actuator Type .......................................Valve
Control Signal .......................................2-10 Vdc, 4-20 mA, 135 ohm
slidewire or SuperMod signal.
Fail Safe Mode .....................................Stays in place
(Rated) Stem Force ..............................160 lbf (710 N)
Cable Entry ..........................................7/8 in. hole for 1/2 in. conduit
External Auxiliary Switches Available ..272630D
Electrical Protection .............................NEMA 3R
Ingress Protection Rating .....................NEMA 3R, IP54 (mounted in
vertical position)
Electrical Connections .........................Screw terminals
Feedback .............................................Position feedback available
w/ 272630D; 2-10 Vdc
Frequency ............................................50 Hz; 60 Hz
Manual operation .................................None
Mounting ..............................................Screws onto 1/4-28 UNF
threaded valve stem
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
272630D—position feedback and SPDT pilot duty auxiliary switch
272629A—travel stop for VGF21ES/LS and VGF22ES/LS valves
FEATURES
• Allows the use of one common transformer power supply for
multiple actuators and controllers.
• Self-contained, motorized valve linkage.
• Linkage self-adjusts to valve stroke from 1/2 to 1 in.
(12 to 25 mm).
• Multi-pose mounting.
• Strong valve seat closing force 710 Newton (160 lb.).
• 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.
DIMENSIONS DIAGRAM
YELLOW
2-45/64 (69)
4-1/16
(103)
7/8 (22)
KNOCKOUT
25/32
(20)
4
(102)
M16817
1-17/32
(39)
3-1/16
(78)
3-13/64
(82)
4 (102)
2 (51)
1/4 (6)
– 28UNF
1-23/64 (35)
MOUNTING DIA.
1/4 (6) –
20 NUT [2]
2-3/32
(53)
17/64
(7)
51/64
(21)
7/32
(6)
7-3/64
(179)
3-3/32
(78)
1-21/32
(42)
2-13/64
(56)
3-7/32 (82)
4-9/16
(116)
25/64 (10)
3/16 (5) DIA.
SILVER
2-53/64 (72)
3/4 (19)
NOMINAL
STROKE