Actuator Operation - Emerson CBA730 Disassembly And Reassembly

Section 1: Introduction
August 2015
1.11.5 Due to the interaction of these variables, it is difficult to specify a "normal"
1.11.6 Slower operating time may be obtained by using flow control valves to meter the
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Actuator Operation

1.12.1 Controlled Operation: Controlled operation is accomplished by pressurizing and/
1.12.2 Manual Operation: All pressure must be vented or equalized on both sides of the
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operating time. Faster operating time may be obtained by using one or more of
the following:
1. Larger supply lines
2. Larger control valve
3. Higher supply pressure *
4. Quick exhaust valves
— * Not to exceed maximum operating pressure of actuator or
control components
exhaust. Excessive exhaust flow metering may cause erratic operation.
or depressurizing the appropriate cylinder inlet(s) of a double-acting. Do not
exceed pressures indicated on actuator nameplate.
pneumatic piston prior to manual operation.
Service Instructions
137462E Rev. D
Introduction