Please
take the environmental conditions into account when dimensioning and
specifying an actuator.
The whole positioning unit (the actuator and the valve as a unit)
has to be dimensioned properly.
Only in this case the positioning unit will function without restrictions,
reliable and safe.
The on-site conditions comprise the following environmental factors:
|
Climaticzone
|
moderate climate
cold climate
tropical climate |
|
Mounting arrangement
|
Open air, outdoor or
indoor |
|
Special ambient conditions
|
Heat, radiation, dust,
aggressive atmosphere, vibration,.etc. |
|
Degree of protection
|
according to EN60529 |
|
Mode of operation
|
according to VDE0530 |
|
Operating method
|
tight closing,
travel dependent close, etc. |
|
Control of the actuator
|
conventional,
inverter driven |
|
Age and maintenance status
|
|
|