Damper Actuator
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MP909E,H Pneumatic Damper Actuators
These actuators are used for proportional control of variable
volume terminal units, mixing boxes, and small to medium sized
dampers. They are available in various operating ranges for either
independent operation or sequence operation with other
actuators. The MP909E has an optional adjustable stroke feature.;
The MP909H includes a positive positioner. Replacement devices
are available for Johnson, Powers, Robertshaw, Barber-Colman,
and older Honeywell actuator models.
• Rolling diaphragm operated.
• Low friction shaft bearing.
• Close tolerance on operating range and stroke.
• Non-overlapping spring ranges for sequencing.
• Corrosion resistant materials.
• Reliable-long life.
Dimensions in inches (millimeters)
Actuator with Fixed External Mounting Bracket
Dimensions in inches (millimeters)
Bracket with Internal N.C. Trunnion Mounting Bracket
Dimensions in inches (millimeters)
Actuator with External Trunnion Mounting Bracket
Dimensions in inches (millimeters)
Bracket with Internal N.O. Trunnion Mounting Bracket
MP909E,H Piping Diagram Actuator Type: Damper
Fail Safe Mode: Spring Return
Actuator Force: Medium
Diaphragm Effective Area: 6.6 sq in. (43 sq cm)
Humidity Range:
5 to 95% RH
Accessories:
14002850-001 Angle Bracket 5 3/8 in, 137 mm, long, 5 in, 127 mm,
wide
14003640-001 Angle Bracket 3 in. (76 mm) long, 3 3/4 in. (95 mm)
wide, 2 3/4 in. (70 mm) high
14004062-001 External Trunnion Mounting Bracket
14004062-002 Internal N.C. Trunnion Mounting Bracket
14004062-003 Internal N.O. Trunnion Mounting Bracket
14004106-001 Actuator pushrod for conversion of internal N.C. to
external
14004107-001 Crankarm Assembly for conversion from internal N.C. to
external Trunnion mounting
14004210-001 Feedback Spring Kit includes orange spring (3 psi
[21kPa]), yellow spring (5 psi [34 kPa]), and blue spring (10 psi [69
kPa]).
14004236-001 Coupler, actuator shaft to 5/16 in, 8 mm, pushrod
14004241-002 Hitch Pin (Six Sets)
14004242-001 MP918 Top Mount Operator Assembly
14004667-001 Offset Crank arm assembly with 2 screws (304725-062),
nuts (14004102-001), crank arm (14004655-001) for 1/2 in. Drive Axle
13-3/4 (350) MP909H
5 (127)
9-1/4 (235) MP909E
4-1/2
(114)
MP909H
6-1/4
(159)
M27095
1
ANGLE BRACKET IS 14002851-001 FOR MP909E1067 AND IS 14002850-001
FOR OTHERS.
17 (430) MP909E
19-3/4 (500) MP909H
MP909E
N.C.
7 (180)
MP909H
N.C.
9-1/2
(240)
EDGE OF
DAMPER
6-7/8 (175) WIDE
M27097
7-1/4
(185)
M27096
17 (430) MP909E
22 (560) MP909H
17 (430) MP909E
19-3/4 (500) MP909H
6-1/2
(169)
MP909E
9 (230)
MP909H
EDGE OF
DAMPER
6-7/8 (175) WIDE
M27098
B
M
P
M
MP909E
MP909H
FROM
CONTROLLER
M5575
SECTIONS OF LARGE DAMPER REQUIRING
MORE THAN ONE OPERATOR MUST BE LINKED
1
1
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