Argus E25 MOD II - ATEX Directive and Product Function; Actuator Uses and Applications; Actuator Functional Mechanism

Argus E25 MOD II - Operating Instructions
12
ATEX Directive
Units that comply with the requirements
of ATEX Directive 2014/34/EU or
94/9/EC may be used in areas in which
there is an explosion hazard if they have
been tested and approved as specified
therein.
There
is a copy of the EU Declara-
tion
of Conformity to ATEX Di-
rective
2014/34/EU in the appen-
dix
to these instructions.
IECEx
The IECEx approval is an international
standard for equipment that may be used
in a potentially-explosive atmosphere.
Bureau Veritas has subjected the design
concept, construction, quality assurance
and the finished product to the specified
examinations.
By issuing the
IECEx EPS 15.0046X
certificate, Bureau Veritas confirms con-
formity with the requirements.
You will also find a copy of this certificate
in the appendix.
For voltage and temperature
limits,
please see the typeplate.
Uses and function
Uses
The unit is intended for operating ball
valves, butterfly valves or other valves
with an operating angle between 0° and
360°.
Function
In the body of the unit (2), there are sub-
assemblies which impart a rotary motion
to the operating shaft (5).
By switching on the electric motor (7), the
gear wheel on the released electric brake
(3) is rotated by timing belt (9). This mo-
tion is transmitted by the planetary gear
(1) and gears in the lower part of the unit
to the operating shaft (5).
According to the actuator model, various
types of power supply and different volt-
ages may be used.