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Damper Actuator
82
customer.honeywell.com
70-6925
MP920 Pneumatic Damper Actuator
Provides proportional control of large dampers in HVAC systems
or inlet vanes on a VAV fan. Positive positioner available
separately. Replacement devices are available for Robertshaw
actuator models.
•
Rolling diaphragm operated.
•
Fail safe on over pressure.
•
Actuator can be swivel mounted from either end to pipe, floor, or wall
surface.
•
Optional positive positioner provides accurate positioning under
varying load conditions.
Dimensions in inches (millimeters)
MP920B Typical Piping
Actuator Type:
Damper
Fail Safe Mode:
Spring Return
Actuator Force:
High
Air Connections:
Barbed fitting for 1/4 in. O.D. plastic tubing
Temperature Range:
-20 F to +158 F (-30 C to +70 C)
Maximum Operating Pressure:
29 psi (200 kPa)
Humidity Range:
5 to 95% RH
Accessories:
14004062-001
External Trunnion Mounting Bracket
14004241-002
Hitch Pin (Six Sets)
14004345-001
Positive Positioner Kit, 10 psi feedback spring
AK3556
Pipe Mounting Assembly for 1-1/4 in. pipe
AK3557
Short Clevis Bag Assembly for 3/8-16 threaded rod
AK3558
Swivel Bracket Bag Assembly
AK3559
Long Clevis Bag Assembly with actuator shaft coupling for 5/8-
11 threaded rod
AK3560
Balljoint, 3/8-24 threaded stud with couplings for 5/8-11
threaded rod and actuator shaft
AK3561
Balljoint, 3/8-24 threaded stud with couplings for 3/8-16
threaded rod
1
(30)
11-7/32 (285)
M18809
4 (100)
6-3/16
(157)
8-1/4
(210)
MP920B
M5578
VAV FAN
FROM
CONTROLLER
Product Number
Diaphragm Effective
Area
Spring Range
Stroke
Includes
sq in.
sq cm
(psi)
(kPa)
(inch)
(mm)
MP920B1002
24.8 sq in.
160 sq cm
7.25 psi to 13 psi
50 kPa to 90 kPa
6 in.
150 mm
Actuator only. No Bracket. Order positive
positioner, mounting and connecting
hardware separately. See Installation
Instructions form no. 95-6053
Содержание VP525C
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