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Groups
This actuator has been designed for the surface industries groups B,
C or D.
Zone
Division
Typical gas
D
Propane
C
Ethylene
Not
available
on ACC
E
Combustible Metal Dusts
F
Combustible Carbonaceous Dusts
G
Other Combustible Dusts
Table 4: Zone group ACC design
For other gases, please consult a notified body (e.g. CSA or INERIS).
Temperature
The temperature class corresponds to the actuator maximum surface
temperature.
T6 185°F (85°C)
Table 5 : Temperature class
Check group and temperature class on the actuator tag.
6.2 Electrical and temperature parameters.
The power supply voltage and frequency are indicated on the name
plates and (or) on the electric wiring diagram.
The minimum ambient temperature is -4°F (-20°C) and the maximum
+140°F (60°C) unless another information is mentioned on the name
plates.
6.3 Special operation conditions including incorrect
practices.
Duty cycle: Motors are designed for an intermittent operation; it means
that they should be stopped for a sufficient period of time after each
operation in order to enable it to cool down (see table 2).
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