Product Marking - Nederman 889 Ex Serie Bedienungsanleitung

EN

1 Product marking

Series 889 Ex is ATEX classified and marked:
II 2G Ex h IIB T60ºC...150ºC Gb
II 2D Ex h IIIC T60ºC...150ºC Db
-10ºC≤Ta≤60ºC
Nederman 19.HB08X
Part Explanation
II: From ATEX directive, Equipment group non-mining equipment.
h: The letter "h" as specified in EN ISO 80079-36.
IIB:
Equipment of Group II is intended for use in places with an explosive gas atmosphere other than mines susceptible to
firedamp.
Equipment of Group II is subdivided according to the nature of the explosive gas atmosphere for which it is intended.
Group II subdivisions:
• IIA , a typical gas is propane;
• IIB , a typical gas is ethylene;
• IIC , a typical gas is hydrogen.
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.
T60ºC...150ºC The maximum surface temperature in degrees Celsius.
This is set as a range since it depends on the temperature of the media used.
Gb:
Equipment protection level Gb. Same as old 2G marking.
For explosive atmospheres, caused by mixtures of air and gases, the equipment does not contain any effective ignition
sources in normal operation and expected malfunctions.
Db:
Equipment protection level Dc. Same as old 3D marking.
For explosive atmospheres, caused by mixtures of air and combustible dust, the equipment does not contain any effective
ignition sources in normal operation and expected malfunctions.
-10ºC≤Ta≤60ºC
Ambient temperature range.
Nederman Certificate number. If the sign "X" is placed after the certificate number, it indicates that the equipment is subject to specific
19.HB08X conditions for safe use.
* In ambient temperatures below 0 °C, observe the special instructions on
• Chapter 7 Commissioning
• Chapter 9 Decommissioning
10
Series 889 Ex
*
(freezing when using water)