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Schneider Electric MK-44xx Series Damper Actuators, Proportional

Damper Actuators, Proportional
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.

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

Select a link under the "item" tab below to order.

Cat #(psig)Nominal Operating Range psigBased on 1.5 psi Pressure to Actuator lb15 psi Supply Dual Press. System lb15 psi Supply Single Press. System *** lb20 psi Supply Single or Dual Press. System *** lb15 psi SupplyDual Press. System lb-in.15 psi Supply Single Press. System *** lb-in.20 psi Supply Single or Dual Press. System *** lb-in.
MK-44013 ±13 to 88.2530.2538.5667.97.97.9
MK-44115 ±15 to 1019.2519.2527.5557.97.97.9
MK-44218 ±18 to 1335.752.751138.
MK-44513 to 63 to 6,9 to 128.258.2516.5447.97.97.9
MK-44613 to 63 to 6,11 to 178.250016.5007.9
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
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

7-7/16 H x 5-3/4 W x 4-7/8 D in. (189 x 146 x 124 mm).


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