SCHIEBEL

 

Who is SCHIEBEL
Quality Management
Why SCHIEBEL
General Terms of Delivery
References
Info
Introduction
Types of valves
Spindle definition
Definition of torque requirements
Output drives for rotary actuators
Flanges
Protection classes
On-site conditions
Information requirements

Information > Help > On-site conditions

On-site conditions

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
  •