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MP909E,H
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.
SPECIFICATIONS
Actuator Type .......................................Damper
Actuator Force ......................................Medium
Fail Safe Mode .....................................Spring Return
Air Connections ....................................Dual Barbed fitting for 5/32 in.
or 1/4 in. O.D. tubing
Stroke ...................................................4 in. (102 mm)
Diaphragm Effective Area ....................6.6 sq in. (43 sq cm)
Temperature Range ..............................-28 F to 160 F (-33 C to 71 C)
Maximum Operating Pressure .............29 psi (200 kPa)
Humidity Range ....................................5 to 95% RH
APPROVALS
Underwriters Laboratories, Inc. ............Components Recognized:
Report R18118
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
26025B—Damper crank arm for 3/8 in. (9.5 mm) diameter axle.
Elongated slot for linkage connection. Slot scaled for 40-50-60-75-90
degrees.
27518—Crankarm balljoint with 1/4 - 28 UNF male threads, fits 5-16 in.
diameter push rods
312867C—Damper Crank Arm for 1/2 in. (12.7mm) diameter axle.
Elongated slot for linkage connection. Slot scaled for 45-60-75-90
degrees
312867H—Externally mounted Linkage Kit
314440A—MP909 - Clevis, Clevis Pin and Cotter Pin Assembly
315321—Crankarm Balljoint (with 1/4 in male threads), fits 5/16 in.
diameter pushrod
315781—Motor shaft balljoint with 3/8 - 16 UNC female threads, fits
5/16 in. diameter pushrods.
REPLACEMENT PARTS
14004137-001—Retrofit Kit for adding positive positioner to MP909E or
repair of MP909H
FEATURES
• 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 DIAGRAM
Actuator with Fixed External Mounting Bracket
Actuator with Internal N.C. Trunnion Mounting Bracket
Actuator with External Trunnion Mounting Bracket
Actuator with Internal N.O Trunnion Mounting Bracket
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
Pneumatic Damper Actuator
MP909E,H