EN
WIKA additional information Model PG43SA-S (ATEX)
14279987.02 05/2019 EN/DE/FR/ES
7
Marking Designation
Meaning
Specific marking for
explosion protection
Ex symbol
II
Symbol of the
equipment group
Equipment intended for use in other places
than underground parts of mines, and in
those parts of surface installations of such
mines, liable to be endangered by firedamp
and/or combustible dust and an explosive
atmosphere.
2
Symbol of the
equipment category
High safety, approved for zone 1 and 21
G
Ex atmosphere
For areas in which explosive gas, vapour,
mist or air mixtures are present.
D
Ex atmosphere
For areas in which explosive atmospheres
caused by dust can form.
Ex
Ex marking
Standards ISO 80079-36 and ISO 80079-37
applied
h
Ignition protection
type
Non-electrical equipment for use in
explosive atmospheres
An ignition protection type is not applied to
the letter “h”.
IIC
Suitable atmosphere Gas atmosphere group IIC
IIIC
Suitable atmosphere
Combustible flyings, non-conductive dust
and conductive dust
1. Safety
