Honeywell MS4103 manual ML7984, 125

Direct Coupled Valve Actuator

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.

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

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

4	7/8 (22)
	KNOCKOUT
(102)
25/32	4-1/16
	(103)
(20)

1/4 (6) –		4 (102)
20 NUT [2]	2 (51)	1/4 (6)
		– 28UNF
1-17/32
3-1/16	(39)
(78)
3-13/64
(82)

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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

1-23/64 (35)

MOUNTING DIA.

7-3/64

(179)

			4-9/16
			(116)
51/64
(21)			3-3/32
17/64		3/4 (19)	YELLOW(78)
		NOMINAL	2-45/64 (69)
2-3/32	(7)	STROKE	SILVER
			2-53/64 (72)
(53)
		1-21/32	25/64 (10)
	7/32	(42)
			3/16 (5) DIA.
	(6)	2-13/64
		(56)
		3-7/32 (82)	M16817

tta submi

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