ATEX Instruction Manual
Dura 05-55
Version 1.0v-07/2019
11 | Page
Ignition Hazard
Measures Applied to Prevent the Ignition Source Becoming Effective
Potential
Ignition
Source
Description / Basic
Cause (which causes
originate
which ignition
hazard)
Reason for
Assessment
Description of the Measure
Applied
Basis Citation of
Standard
Technical Rules
Mechanical
strength
– Rotor failure
Rotor failure
causing over
temperature in
motor
u
Requirement to use motor pro
-
tection relay.
u
Motors supplied with PTCs.
EN 80079-36:2016 10
Chemical
Reaction
– Pump materials incom-
patible with pumped
media
Hose burst
exposing
casing to media
u
End user/ sales applications
engineer to ensure awareness
of pump construction and
compatibility of hose material
with pumped media.
EN 80079-36:2016 10
Table 9 Ignition Protection