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• Compact in size. • Neoprene rolling diaphragm. • The MP913 Operator can be used with or without a crankarm.Low Force Pneumatic Variable Volume Damper ActuatorOverviewProvides 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 witList Price93.53
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