Pneumatic Damper Actuator

MP909D

Used for pneumatic proportional control of variable volume terminal units and small dampers. Available in various operating ranges for either individual or sequence operation with other actuators. Replacement devices are available for Johnson, Powers, Robertshaw, and older Honeywell actuator models.

FEATURES

Rugged ribbed aluminum body.

Low-friction shaft bearing.

Close tolerance on operating range and stroke.

Protected barb connector.

Versatile mounting and connecting hardware options.

Positive leakproof seal.

SPECIFICATIONS

 

Actuator Type

Damper

Actuator Force

Low

Fail Safe Mode

Spring Return

Air Connections

Barbed fitting for 3/32 in. O.D.

 

tubing

Stroke

2.4 in. (61 mm)

Diaphragm Effective Area

3 sq in. (19.4 sq cm)

Temperature Range

50 F to 140 F (10 C to 60 C)

Maximum Operating Pressure

30 psi (207 kPa)

Humidity Range

5 to 95% RH

APPROVALS

 

Underwriters Laboratories, Inc

Components Recognized:

 

Report R18118

DIMENSIONS DIAGRAMS

1/4 DIA (6)

2-3/8 (61)

1/2 (13) 5-11/16 (145) 1-3/16 (46)

3/8-16 UNC-2A

 

13/16 (20) LONG

 

MIN.

 

OR

s

1-1/16

 

(27)

 

C484-2

 

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

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.

27174B—Damper crank arm for 7/16 in. (11.1 mm) diameter axle. Elongated slot for linkage connection. Slot scaled for 40-50-60-75-90 degrees.

27520C—Push Rod (5/16 in. dia., 12 in. length) 27520G—Push Rod (5/16 in. dia., 24 in. length) 27520K—Push Rod (5/16 in. dia., 36 in. length) 27520L—Push Rod (5/16 in. dia., 48 in. length)

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

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.

submittal Sheet

97

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Image 97
Honeywell MS4103 manual Pneumatic Damper Actuator, MP909D, Temperature Range, DIA 13 5-11/16 145 1-3/16