WIKA 2 Series - Ignition Hazard Analysis

EN
WIKA operating instructions pressure gauge, model 2 per ATEX18
14375375.01 12/2019 EN/DE
2.7 Ignition hazard analysis
Relevantidentiedignition
hazards
Implementedprotectivemeasures
Hot surfaces
■
The actual surface temperature depends
on the application, i.e. on the medium
temperature
■
Temperature range marking; T range
marking
■
Observation of legibility of marking
▶
Information given in operating instructions
Mechanically generated sparks
and hot surfaces
■
Low contact speed
■
Limitation of vibration
■
Selection of suitable materials
▶
Information given in operating instructions
Stray electric currents, cathodic
corrosion protection
■
Grounding via process connection required
▶
Information given in operating instructions
Static electricity
■
No propagating brush discharge
■
All conductive parts bonded
■
Limitation of projected area of non-conduc-
tive parts
■
Limitation of layer thickness of non-conduc-
tive parts
■
Grounding via process connection required
■
Description of cleaning process
▶
Information given in operating instructions
Exothermic reactions, including
self-ignition of dusts
■
Provision of material data of the wetted
parts for the customer in order to avoid the
use of critical media
▶
Information given in operating instructions
2. Safety