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Pneumatic Damper Actuators

Pneumatic Damper Actuators
Schneider Electric
AK-42309-500

Positive positioner pneumatic relay is used to accurately position an actuator stroke with respect to signal pressure from the controller. It can also be used to change the effective spring range of an actuator and increase the capacity of a controller.

Johnson Controls
D-3031
1 inch stroke

The D-3031 Pneumatic Actuator is designed primarily for damper positioning on small terminal units. Models, furnished with 1 inch (25 mm) stroke, have two movable adjustment stops to facilitate adjusting the stroke in 1/8 inch increments. The D-3031 features a polycarbonate top and body and a threaded 5/16 inch (8 mm) diameter piston rod for...

Johnson Controls
D-3062

The D-3062 Pneumatic Piston Damper Actuator accurately positions small dampers on Variable Air Volume (VAV) and terminal units. The actuator is also recommended for use on other air flow control dampers in interiors with a maximum area of 4 ft2 (such as Johnson Controls D-1300 Series Dampers).

Johnson Controls
D-3153
3 inch stroke

The D-3153 Pneumatic Actuator is a multipurpose positioning device used primarily for operating ventilating dampers in response to the output signals of a pneumatic controller or electro-pneumatic transducer. The D-3153 can be used with dampers up to a maximum area of 16 square feet for proportional volume control and 25 square feet for two...

Johnson Controls
D-3240

The D-3240 Series Pneumatic Piston Actuators are multipurpose positioning devices designed for operating inlet vanes on centrifugal fans and compressors, in direct response to the output signal of a pneumatic controller. These actuators can also be used on other applications that require a large amount of positioning power from a single...

Johnson Controls
D-4070
2-3/4 inch stroke

The D-4070 Two Stage Pneumatic Actuator is a multipurpose positioning device used to accurately position small dampers primarily on unit ventilators, Variable Air Volumes (VAVs), terminal units, and small ventilating dampers in response to output signals of a pneumatic controller or electro-pneumatic transducer. The D-4070 was specifically...

Johnson Controls
D-4073

The D-4073 Pneumatic Actuator is a multipurpose positioning device used to accurately position small dampers primarily on unit ventilator, Variable Air Volume (VAV), terminal units, and small ventilating dampers in response to output signals of a pneumatic controller or electro-pneumatic transducer.

The actuator is also recommended...

Schneider Electric
Damper Actuators, Proportional

For proportional pneumatic actuator with 11 sq. in. (71 cm²) effective area used to control damper and air valves in heating, ventilating, and air conditioning systems.

Schneider Electric
Damper Actuators, Proportional

For proportional pneumatic actuator with 20 sq. in. (129 cm²) effective area used to control damper and air valves in heating, ventilating, and air conditioning systems.

Schneider Electric
Damper Actuators, Proportional

For proportional pneumatic actuator with 3 in.² (19 cm²) effective area used to control small dampers and mixing boxes.

Schneider Electric
M556 Series
6 in Stroke (24.8 sq. in. damper)
Schneider Electric
M572 Series
2 in Stroke (3 sq. in. damper)
Schneider Electric
M573 Series
3 in Stroke (7 sq. in. damper)
Schneider Electric
M574 Series
4 in Stroke (11 sq. in. damper)
KMC Controls
MCP–8031 Series

The KMC MCP–8031 Pneumatic Actuators are designed to control small dampers such as air terminal units. The 8031 Series features a right angle bracket for mounting to the side of VAV terminals. The actuator rotates in its’ bracket so air connections can be made where needed. A clevis pin and slot provide direct connection between the...

Schneider Electric
MK-121xx Series

For proportional pneumatic actuator with 3 in.² (19 cm²) effective area used to control small dampers and mixing boxes.

Schneider Electric
MK-3xxx Series

Proportional pneumatic actuator with 8 in.² (52 cm²) effective area used to control dampers, mixing boxes, air valves, etc., in heating, ventilating, and air conditioning systems.

Schneider Electric
MK-44xx Series

For proportional pneumatic actuator with 11 sq. in. (71 cm²) effective area used to control damper and air valves in heating, ventilating, and air conditioning systems.

Schneider Electric
MK-71xx Series

For proportional pneumatic actuator with 20 sq. in. (129cm²) effective area used to control damper and air valvesin heating, ventilating, and air conditioning systems.

For proportional pneumatic actuator with 20...
Schneider Electric
MK-7821, MK-7921

For proportional pneumatic actuator used to control inlet vanes on small and medium size fans or large jackshafted dampers.

Schneider Electric
MK4-3xxx Series
Schneider Electric
MK4-44xx Series

For proportional pneumatic actuator with 11 sq. in. (71cm²) effective area used to control damper and air valvesin heating, ventilating, and air conditioning systems.

Schneider Electric
MK4-71xx Series

For proportional pneumatic actuator with 20 sq. in. (129cm²) effective area used to control damper and air valvesin heating, ventilating, and air conditioning systems.

Schneider Electric
MP-52xx Series

These actuators provide electronic proportional control of dampers, valves, or program switches requiring the return to normal position upon power interruption.

Honeywell
MP516

Used to control the damper on unit ventilators. Can be adapted to various unit ventilator control cycles. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell unit ventilator damper actuators.

Honeywell
MP909D

Used for pneumatic proportional control of variable volume terminal units and small damper. 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.

Honeywell
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...

Honeywell
MP918A,B

Used for proportional control of medium- to large-size dampers in HVAC systems. The MP918A,B are rolling diaphragm, piston-type actuators. The MP918A has a positive positioner. Replacement devices are available for Johnson, Powers, Robertshaw, Barber- Colman, and older Honeywell actuator models.

Honeywell
MP920

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.

Schneider Electric
N800-0555 Series

The N800-0555 is used with M556 (6 in. stroke), M573 (3 in. stroke), and M574 (4 in. stroke) damper actuators. The N800-0555 is pilot-operated, providing excellent response to small signal pressure changes from the controller. Pilot-operation also provides maximum resistance to actuator shaft displacement caused by outside force changes.

Siemens
No. 3
2-3/8-in stroke
Designed with a 2-3/8-inch (60 mm) stroke, the No. 3 Pneumatic Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC dampers. The actuator is available in a variety of spring ranges for energy optimizing and sequencing with other devices.
Siemens
No. 4
4-in stroke
Designed with a 4-inch (102 mm) stroke, the No. 4 Pneumatic Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers.
Siemens
No. 6
4-in stroke
Designed with a 4-inch (102 mm) stroke, the No. 6 Pneumatic Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers.
Schneider Electric
Valve Actuators