Product Marking - Nederman FlexFilter EX Manual De Instrucciones

EN FlexFilter EX
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Product marking

The FlexFilter EX is ATEX classified and marked:
II 3D Ex h IIIC T130ºC Dc
-10ºC≤Ta≤40ºC
Nederman 19.HB01X
Part Explanation
II: Equipment group (non mining equipment).
h: The letter "h" as specified in EN ISO 80079-36.
IIIC: Equipment of Group III is intended for use in places with an
explosive dust atmosphere other than mines susceptible to
firedamp.
Equipment of Group III is subdivided according to the nature of the
explosive dust atmosphere for which it is intended.
Group III subdivisions:
• IIIA: suitable for combustible flyings;
• IIIB: suitable for combustible flyings and non-conductive dust;
• IIIC: suitable for combustible flyings, non-conductive dust and
conductive dust.
T130ºC The maximum surface temperature in degrees Celsius.
Dc: Equipment protection level Dc. Same as old 3D marking.
For explosive atmospheres, caused by mixtures of air and
combustible dusts, the equipment does not contain any effective
ignition sources in normal operation.
-10ºC≤Ta≤40ºC Ambient temperature range.
Nederman 19.HB01X Certificate number. If the sign "X" is placed after the certificate
number, it indicates that the equipment is subject to specific
conditions for safe use.
Special Conditions for Safe Use "X"
The FlexFilter EX is designed to be a part of a complete extraction system. A
complete extraction system usually includes a vacuum unit, connected piping
and a control system as described in this manual.
For the FlexFilter EX to function properly and fulfil necessary safety
requirements as stated in the Declaration of Conformity, the complete system
must be assessed with regards to applicable safety standards and directives
and comply with all requirements described in this manual.
The designer of the system as a whole, must guarantee correct function of
all interacting products or components and ensure that the complete system
meets all necessary safety requirements.
Type of Protection constructional safety "c"
Technical documentation contains the information required to maintain the
product safety.