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What is the differences of direct acting actuator and reverse acting actuator?
Wiki User
∙ 10y ago
When a pressure signal is applied, the valve shaft moves in the direction
opposite that of the direct-acting actuator, but it follows the same
operating principle.
In the reverse-acting actuator, the valve shaft is pulled
into the actuator by the application of a pressure control signal.
Wiki User
∙ 10y ago
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