EL-O-MATIC ACTUATOR WITH MANUAL OVERRIDE MO-10 Data sheet Sheet No.:

EL-O-MATIC ACTUATOR WITH MANUAL OVERRIDE MO-10 Data sheet Sheet No.:
Data sheet
EL-O-MATIC ACTUATOR WITH MANUAL OVERRIDE
Sheet No.: A3.402.1 Rev. A
Date: November 2009
I
B
A
Description
The El-O-Matic MO Series declutchable gear operators offer simple and reliable manual positioning
of valves, dampers and other quarter-turn devices when overriding, existing pneumatic or hydraulic
rotary actuators. All El-O-Matic MO-units are suitable for indoor and outdoor use and combine
rugged construction, light weight and modular design to provide the most efficient and cost effective
solution to a full range of manual override requirements.
The self-locking worm gear design means safe and easy operation, positive manual positioning and
extremely long life.
The El-O-Matic override can be adapted to any quarter-turn actuator and may even be installed in
the field on existing valves.
I
H
D
C
Clutch
lever
130°
2.78
1.77
Ø 3.94
3.86
Stroke
adjustment
4.88
2.07
Pcd 2.76
Pcd 1.97
0.316
0.318
1/4"-20x.47
Identification
For basic override
For complete assemblies
Actuator side
MO side
1.197
1.205
1.50
1.064
1.066
Dimensions in inches
A ED
B ES
C
D
H
I
E25
6.26
6.77
3.15
0.79
2.91
1.81
0.51
E40
7.09
8.03
3.66
0.79
3.38
2.09
Operation
To engage manual operation, first pull out the spring loaded clutch lever, then rotate the clutch
lever clockwise until the clutch lever re-engages. Anticlockwise lever movement disengages manual
operation and returns the system to automatic operation.
Note: When under manual control, the valve remains locked in the last set position.
Stroke adjustment
The MO gearbox is equipped with two stroke adjustment bolts. These must be set for accurate
valve positioning and to avoid damage to the actuator or valve spindle during manual operation.
The limit stops on actuators are redundant in combination with MO-gearboxes. For stroke angle
less than 80° please consult our engineering department.
Optional
Vent Valve
5/16"-18x.47
E65
7.83
9.80
4.13
0.79
3.86
2.26
Ø 1.50
MO-10
: MO-10
: E25+MO-10
Assembly codes
A-
Standard
B-
Reversed operation: handwheel on the other side (factory option)
Specification
Body
Gear quadrant
Worm shaft
Temperature
Stroke adjustment
Input / Output
At rim
At output shaft
: Cast aluminum
: Aluminum bronze
: High grade aluminum
/ hard anodized
: -4°F to +176°F
: +5° and -5° at each end
Movement
Finish
Weight
Fasteners
No. of turns
: 9.5
Max. input force
: 18.43 lb
Max. output torque : 885 in.lb
Optional
Electric position indication and vent valves (A3.403)
www.El-O-matic.com
Copyright © Emerson Process Management. The information in this document is subject to change without notice.
Updated data sheets can be obtained from our website www.El-O-Matic.com or from your nearest Valve Automation Center USA: +1 281 477 4100 Europe: +31 74 256 10 10 Asia-Pacific: +65 6501 4600
: 0° - 90°
: Two part polyurethane
coating
: 3.3 lb
: Stainless steel
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