Schneider Electric (Barber Colman) MK-4451 Pneumatic Damper Actuator

Pneumatic Damper Actuator, 3 to 6 Psi and 9 to 12 Psi Spring Range, 1/2" to 3" Adjustable Stroke ( Factory set at 2" ), 30 Psig Maximum Safe Air Pressure, 1/8" Fnpt Air Connections

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