Product Marking; Special Conditions For Safe Use "X; Type Of Protection Constructional Safety "C - Nederman FlexFilter EX Manual De Instrucciones

EN

Product marking

The FlexFilter EX is ATEX classified and marked:
II 3D Ex h IIIC T130ºC Dc
-10ºC≤Ta≤40ºC
Nederman 19.HB01X
Part
II:
h:
IIIC:
T130ºC
Dc:
-10ºC≤Ta≤40ºC
Nederman 19 .HB01X

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 com-
plete 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 require-
ments .

Type of Protection constructional safety "c"

Technical documentation contains the information required to maintain the product safety .
20
FlexFilter EX
Explanation
Equipment group (non mining equipment) .
The letter "h" as specified in EN ISO 80079-36
Equipment of Group III is intended for use in places with an explosive dust atmos-
phere 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.
The maximum surface temperature in degrees Celsius .
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.
Ambient temperature range .
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.