Instruction Manual
D103292X012
C1 Controllers and Transmitters
March 2017
9
Figure 3. Actuator Mounting
GE33946-A
SUPPLY PRESSURE
REGULATOR
TYPICAL ROTARY ACTUATOR
SUPPLY PRESSURE
REGULATOR
TYPICAL SLIDING-STEM ACTUATOR
GE33947-A
Pressure Connections
WARNING
To avoid personal injury or property damage resulting from the sudden release of pressure, do not install any system
component where service conditions could exceed the limits given in this manual. Use pressure-relieving devices as
required by government or accepted industry codes and good engineering practices.
CAUTION
Do not use sealing tape on pneumatic connections. This instrument contains small passages that may become obstructed
by detached sealing tape. Thread sealant paste should be used to seal and lubricate pneumatic threaded connections.
All pressure connections on C1 instruments are 1/4 NPT internal. Use 6 mm (1/4-inch) or 10 mm (3/8-inch) pipe or
tubing for supply and output piping. The pressure connection locations are shown in figure 2.
Supply Pressure
WARNING
Severe personal injury or property damage may occur from an uncontrolled process if the instrument supply medium is not
clean, dry, oil-free and noncorrosive. While use and regular maintenance of a filter that removes particles larger than 40
micrometers in diameter will suffice in most applications, check with an Emerson Automation Solutions field office and
industry instrument supply medium quality standards for use with hazardous gas or if you are unsure about the proper
amount or method of air filtration or filter maintenance.
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