VERDER VERDERFLEX Dura D7 Instruction Manual page 11

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