WIKA R74.100 Información Adicional página 12

3. Special conditions for use (X conditions)
10) Ignition hazard analysis
Relevant identified
ignition hazards
EN
Hot surfaces
Mechanically
generated sparks and
hot surfaces
Stray electric currents,
cathodic corrosion
protection
Static electricity
Exothermic reactions,
including self-ignition
of dusts
11) The legibility of the marking must be observed during time in use
but at least during inspection periods of three years. If any harm of
the legibility is found please contact the manufacturer to renew the
marking.
12
Implemented protective measures
Actual surface temperature depends on
■
application; media temperature only
Temperature range marking; T range marking
■
Observation of legibility of marking
■
▶
Information given in operation instructions
Low contact speed
■
Limitation of vibration
■
Selection of suitable materials
■
▶
Information given in operation instructions
Grounding via process connection required
■
▶
Information given in operation instructions
No propagating brush discharge
■
All conductive parts bonded
■
Limitation of projected area of non-conductive
■
parts
Limitation of layer thickness of non-conductive
■
parts
Grounding via process connection required
■
Description of cleaning process
■
▶
Information given in operation instructions
Provision of material data of the wetted parts
■
for the customer in order to avoid the use of
critical media
▶
Information given in operation instructions
WIKA additional information models 73, 74 (ATEX)