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Schneider Electric Damper Actuators, Proportional Damper Actuators, Proportional

Damper Actuators, Proportional
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.



• Rugged cast aluminum body. 
• Special linkage permits easy adjustment of stroke to suit various applications. 
• Hesitation and non-hesitation models available.



Housing: Die cast aluminum
Diaphragm: Replaceable beaded molded neoprene (Part number PNV-002)
Linkage: Adjustable 1/2 to 3 in. (13 to 76 mm); factory set for 2 in. (51 mm)
Diaphragm: Factory set for 1 in. (25 mm)
Nominal Damper Area: Actuator sizing should be done in accordance with damper manufacturer’s specifications
Start point: Adjustable. Refer to Description Model Chart
Spring: Retracts actuator crank arm on loss of air pressure
Maximum air pressure: 30 psig (207 kPa)
Ambient temperature limits:
Shipping: -40 to 160°F (-40 to 71°C)
Operating: -20 to 160°F (-29 to 71°C)
Air connections: 1/8 in. FNPT
Mounting: In any position. Mounting bracket, linkage, and connector for 5/16 in. (8 mm) diameter push rod assembled to actuator
Dimensions: 7-7/16 H x 5-3/4 W x 4-7/8 D in. (189 x 146 x 124 mm)
M574 Series: 4-5/8 dia. x 15-1/8 L in. (117 x 384 mm)

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