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Baker Hughes
Copyright 2021 Baker Hughes Company. All rights reserved.
Explosion Hazard - Substitution of components may impair suitability for use in a Hazardous
Location.
Electrostatic Discharge: Use only a damp cloth when cleaning to avoid electrostatic discharge,
do not use solvent.
All elements are metal and in contact, thus the same potential. Ensure all electrical apparatus
has a proper ground connection. Ensure the complete assembly has a proper ground
connection.
Hot Surface - Process Operating Conditions - Actuator Information Plate Marking TX
• Only place in locations that are correctly identified. Refer to the device label for the description of the
environment in which the device may be installed. Verify that the markings on the label are consistent with
the application.
• Repair only by service personnel qualified to make repairs on the actuator. Use only genuine replacement
parts which are provided by the manufacturer, including not only the major assemblies but also mounting
screws and O- rings, to guarantee that the products comply with the essential safety requirements of the
European Directives.
• If gasses other than air are used for supply, it is the end user’s responsibility to recognize and safely contain
any leaks or vents to atmosphere.
• If the pneumatic system is powered by a combustible gas it is the end user's responsibility to consider if the
installation should be treated as a hazardous classified area.
Risk of Ignition
Actuator surface temperature can be dependent on the process operating conditions.
Masoneilan 51 / 52 / 53 Actuators can withstand ambient temperatures at least equal to the MAXIMUM
OPERATING TEMPERATURE (as shown on Actuator Information Plate).
Surface temperature of the installed actuator will not be greater than the maximum process temperature of
the connected valve body or other process equipment.
• The user shall take necessary actions to ensure the maximum actuator surface temperature does not
exceed the Temperature Class of the Application.
