Pneumatic Damper Actuator

MP913

Provides proportional control of variable volume dampers in small high velocity mixing boxes. Replacement devices are available for Johnson and Robertshaw devices. Suitable for direct replacement only, do not attempt to replace larger damper actuators with this unit.

FEATURES

Compact in size.

Neoprene rolling diaphragm.

The MP913 Operator can be used with or without a crankarm.

SPECIFICATIONS

 

Actuator Type

Damper

Dimensions, Approximate

2 5/8 in. high (add 3/4 in. for

 

shaft ) x 2 1/4 in. diameter

 

(67 mm high (add 19 mm for

 

shaft) x 57 mm diameter)

Actuator Force

Low

Fail Safe Mode

Spring Return

Air Connections

Barbed fitting for 1/4 in. O.D.

 

plastic tubing

Stroke

1 in. (25 mm)

Diaphragm Effective Area

2.2 sq in. (14 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

ACCESSORIES

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)

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.

s

submittal Sheet

99

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Image 99
Honeywell MS4103 manual MP913