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Safety instructions and measures
NOTICE
!
Incorrect control due to the formation of ice on the regulator.
Medium temperatures below 0 °C may cause ice to form on the regulator, depending
on the air humidity. This may affect, in particular, the functioning of the plug or dia-
phragm stem guide.
Î Prevent the formation of ice by taking appropriate precautions (e.g. enclosure,
trace heater etc.). The plant operator is responsible for selecting and implementing
appropriate precautions.
Risk of regulator damage due to incorrectly attached slings.
Î Do not attach load-bearing slings to the actuator housing.
Risk of regulator damage due to unsuitable medium properties.
The regulator is designed for a process medium with defined properties.
Î Only use the process medium specified for sizing the equipment.
Risk of regulator damage due to the use of unsuitable lubricants.
The lubricants to be used depend on the regulator material. Unsuitable lubricants may
corrode and damage surfaces.
Î Only use lubricants approved by SAMSON.
Risk of leakage and regulator damage due to excessively high or low tightening
torques.
Observe the specified torques when tightening regulator components. Excessive tighten-
ing torques lead to parts wearing out more quickly. Parts that are too loose may cause
leakage.
Î Observe the specified tightening torques. See section 8.4.
Risk of regulator damage due to the use of unsuitable tools.
Certain tools are required to work on the regulator.
Î Only use tools approved by SAMSON.
10
EB 2723 EN
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