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Invensys barber colman ak-42309-500 positive positioner
Invensys Barber Colman AK-42309-500 Positive Positioner Relay
Positive Positioner Relay For Many Barber-Coleman Pneumatic Actuators. Adjustable Start Point 1-12 PSI. Span 2-13 PSI. Max Supply 30 PSI
This item was installed on a replacement valve actuator but never connected or used, has spring and valve attachment arm.
