●
Buried service
●
Continuous submersion (observe enclosure protection)
●
Potentially explosive atmospheres
●
Radiation exposed areas in nuclear power plants
No liability can be assumed for inappropriate or unintended use.
Observance of these operation instructions is considered as part of the device's
designated use.
Information
These operation instructions are only valid for the "clockwise closing" standard
version, i.e. driven shaft turns clockwise to close the valve.
1.3.
Applications in Ex zone 22 (option)
Actuators of category Ex II3D basically meet the requirements for applications in
dust hazardous locations of ZONE 22 in compliance with the ATEX directive 94/9/EC.
Actuators for zone 22 are at least designed in enclosure protection IP65 and comply
with the provisions of IEC 60079-0 - Explosive atmospheres - Part 0: Equipment -
General requirements.
To comply with all requirements of IEC 60079-0, it is imperative that the following
points are observed:
●
In compliance with the ATEX directive 94/9/EC, the actuators must be equipped
with an additional identification – II3D IP6X T150 °C.
●
The maximum surface temperature of the actuators, based on an ambient
temperature of +70 °C in accordance with IEC 60079-0 section 5.3, is +150 °C.
In accordance with section 5.3.2, an increased dust deposit on the equipment
was not considered for the determination of the maximum surface temperature.
●
Fulfilling the requirements of the duty type and the technical data are prerequis-
ites for compliance with the maximum surface temperature of devices.
●
The connectors may only be connected or disconnected when not live.
●
The cable glands used also have to meet the requirements of category II3 D
and must at least comply with enclosure protection IP67.
●
The actuators must be connected by means of an external earth connection to
the equipotential earth bonding or integrated into an earthed piping system.
●
As a general rule, the requirements of IEC 60079-0 and EN 13463-1 must be
respected in dust hazardous locations. During commissioning, service, and
maintenance, special care as well as qualified and trained personnel are required
for the safe operation of actuators.
●
Connectors and components remaining live when not connected to a socket
are not permissible.
1.4.
Warnings and notes
The following warnings draw special attention to safety-relevant procedures in these
operation instructions, each marked by the appropriate signal word (DANGER,
WARNING, CAUTION, NOTICE).
Indicates an imminently hazardous situation with a high level of risk. Failure
to observe this warning could result in death or serious injury.
Indicates a potentially hazardous situation with a medium level of risk. Failure
to observe this warning could result in death or serious injury.
Indicates a potentially hazardous situation with a low level of risk. Failure to
observe this warning may result in minor or moderate injury. May also be used
with property damage.
5
SVC 05.1 – SVC 07.5/ SVCR 05.1 – SVCR 07.5
Safety instructions
