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MP909E and H Pneumatic
Damper Actuators
SPECIFICATION DATA
FEATURES
• Low friction shaft bearing
• Close tolerance on operating range and stroke
• Versatile mounting and connecting hardware
• Cost efficient mounting to Honeywell dampers
• Nonoverlapping spring ranges for sequencing
• Corrosion resistant materials
• Reliable—long life
• Models available for use with UL classified leakage
rated (smoke) dampers
GENERAL
The MP909E and H Pneumatic Damper Actuators control
dampers, variable volume terminal units, and mixing boxes.
The MP909H is an MP909E with a positive positioner.
Copyright © 1996 Honeywell Inc. • All Rights Reserved
77-9030-1
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MP909E AND H PNEUMATIC DAMPER ACTUATORS
SPECIFICATIONS
Models:
❏ MP909E Actuator without positioner
❏ MP909H Actuator with positioner
Maximum Safe Air Pressure:
MP909E: 29 psi (200 kPa)
MP909H: 25 psi (172 kPa), limited by positioner
Operating Range:
MP909E: See following table
MP909H: Span of 3, 5, or 10 psi (21, 34, or 69 kPa),
nonadjustable. Provided with 10 psi feedback spring; 5 psi
feedback spring included; 3 psi feedback spring available
Net Force Exerted:
Model
MP909E 2.5-6.5 (17-45)
MP909H All spans
1
MP909H has 5-10 psi (34-69 kPa) operating spring range.
Operating Range
psi (kPa) Stroke in. (mm) 0 psi (0 kPa) 18 psi (124 kPa) 20 psi (140 kPa)
3-13 (21-90)
5-10 (34-69)
5-10 (34-69)
9-13 (62-90)
1
4.0 (100) 19.8 (88)
3.1 (80) 16.5 (73)
4.0 (100) 33 (147) 53 (236) 66 (294)
Startpoint Pressure (MP909H):
Adjustable 1.5 to 13 psi (10.3 to 90 kPa)
Ambient Temperature Range:
MP909E: -28 to 160F (-33 to 70C)
MP909H: -20 to 160F (-29 to 70C), limited by positioner
Mounting:
Trunnion and right angle bracket
Net Force in Pounds (N) Exerted at Various Pressures
33 (147)
33 (147)
59.4 (264)
33 (147)
53 (236)
76 (338)
53 (236)
33 (147)
46.2 (206)
66 (294)
89 (396)
66 (294)
46.2 (206)
Air Connections:
MP909E: Combination 5/32-in. (4 mm) and 1/4-in. (6 mm)
push-on barb
MP909H:
Positioner: 5/32-in. (4 mm) push-on barb (pilot), 1/4-in.
6 mm) push-on barb (main and branch)
Actuator: combination 5/32-in (44 mm) and 1/4-in. (6 mm)
push-on barb
UL listed actuators: Special high temperature plastic tubing
pigtails that allow connection to 1/4-in. (6 mm) O.D.
copper tubing
Diaphragm:
Neoprene, rolling type
Effective area 6.6 in
Body Material and Finish:
Corrosion resistant aluminum alloy
Air Consumption:
MP909E: Zero
MP909H: 0.021 scfm (9.9 ml/sec)
2
(40 cm2)
77-9030-1
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Dimensions:
EDGE OF
DAMPER
4-1/2
(114)
17 (430) MP909E
MP909E AND H PNEUMATIC DAMPER ACTUATORS
MP909H
N.C.
9-1/2
N.C.
7
(180)
N.O.
6-1/2
(165)
(240)
MP909H
N.C.
9-1/2
(240)
MP909H
6-1/4
(159)
6-7/8 (175) WIDE
19-3/4 (500) MP909H
TRUNNION BRACKET
13-3/4 (350) MP909H
MP909E
Models Available: MP909E: 5 to 10 psi (34 to 69 kPa)
UL Restrictions: UL listing applies only when used with UL
classified Honeywell SD series leakage rated dampers
Mainline Pressure Limits: 15 psi (103 kPa) minimum; 25 psi
(172 kPa) maximum
Damper Limitations:
D640SD, D641SD: See 77-5129
D644SD, D645SD: See 77-5140
Accessories:
❏ Feedback spring kit for 3 psi span (MP909H): 14004509-
001 (10 springs per kit)
❏ Positioner Kit to convert MP909E 5 to 10 psi to MP909H
(includes 3, 5, and 10 psi feedback spring): 14004137-001
EXAMPLE:
Damper Model: D641
Duct Dimension: 62 inches
(A dimension) x 20 inches
(B dimension)Actuator: MP909E
Operating Range: 5 to 10 psi (34 to 69 kPa)
Type of Operation: Modulating Service
Main Air Pressure: 13 psi (90 kPa)
The 62-inch A dimension requires two damper sections
(48 inches maximum per section). Multiplying the B
dimension (20 inches) by two equals 40 inches of total
B dimension. The Maximum Damper Load Rating Table
shows that one MP909E can operate up to 33 inches of
damper. Two MP909Es are required in this example.
9-1/4 (235) MP909E
ANGLE BRACKET
Damper A and B DimensionsUL Listed:
5 (127)
"B"
DIMENSION
VERTICAL
BLADE
"A"
DIMENSION
C8281
"A"
DIMENSION
"B"
DIMENSION
C7856
3
77-9030-1
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MP909E AND H PNEUMATIC DAMPER ACTUATORS
Damper Load Rating (See Following Table):
Damper load ratings for Honeywell Moduflow Dampers
(non-UL Listed models) are calculated by multiplying the
Approvals:
MP918B (all models): UL Recognized Component, Category
EMKU2, File No. R18118, Mainline –25 psi maximum
B dimension of each section by the number of
sections required.
Modulating Service 2-Position Service
Damper
Model Actuator Model
Operating Range
psi (kPa)
Main Air
Pressure 13 psi
(80 kPa) for
B Dimension
in. (mm)
Main Air
Pressure 18 psi
(124 kPa) for
B Dimension
in. (mm)
D640 MP909E 3-13 (21-90) — 33 (835) 36 (910)
D641 5-10 (34-69)
2.5-6.5 (17-45) 27 (685)
3
33 (835) 33 (835) 60 (1520)
1
27 (685)
1
9-13 (62-90) — 29 (735) 49 (1240)
MP909H
4
N.A. 40 (1010) 67 (1700) 67 (1700)
D642 MP909E 3-13 (21-90) — 27 (685) 29 (735)
D643 5-10 (34-69)
D644 2.5-6.5 (17-45) 22 (555)
3
27 (685) 27 (685) 49 (1240)
2
22 (555)
2
D645 9-13 (62-90) — 27 (685) 40 (1010)
MP909H
1
With normally closed linkage having 81-degree rotation. For 90-degree rotation, use 20 inches (505 mm).
2
With normally closed linkage having 81-degree rotation. For 90-degree rotation, use 17 inches (430 mm).
3
Applies to 4-in. stroke models only.
4
Rating also applies to MP909E 5 to 10 psi (34-69 kPa) slaves used with MP909H.
4
N.A. 33 (835) 60 (1520) 60 (1520)
Main Air Pressure
18 psi (124 kPa)
for B Dimension
in. (mm)
27 (685)
22 (555)
1
2
By using this Honeywell literature, you agree that Honeywell will have no liability for any damages arising out of your use or modification to, the
literature. You will defend and indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or damages, including
attorneys’ fees, arising out of, or resulting from, any modification to the literature by you.
Home and Building Control
Honeywell Inc.
Honeywell Latin American Division
Home and Building Control
Honeywell Limited-Honeywell Limitée
Honeywell Europe S.A.
Honeywell Asia Pacific Inc.
Helping You Control Your World
77-9030-1
77-9030-1 Rev. 5-96
Printed in U.S.A. on recycled paper
containing at least 10% post-consumer paper fibers
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