Teka WNA-AL, Руководство по эксплуатации, Страница: 32 / 32

Evaluation of the risk of ignition
based on DIN EN ISO 80079-36:2016-12
PROCEDURE NUMBER --- (cross-project)
MANUFACTURER
TEKA Absaug- und Entsorgungstechnologie GmbH
Millenkamp 9
D-48653 Coesfeld
DEVICE TYPE WNA-AL DEVICE GROUP II
DEVICE DESCRIPTION The construction and intended use of the device are described in separate documentation (see Operating Instructions)
1 2 3 4
RISK OF IGNITION
EVALUATION OF FREQUENCY OF OCCURRENCE WITH
NO ADDITIONAL MEASURES EMPLOYED
MEASURES EMPLOYED TO PREVENT EMERGENCE
FREQUENCY OF OCCURRENCE INCLUDING
MEASURES
a b
a b c d
e a b c a b c d
e f
Seq. No.
POTENTIAL IGNITION
SOURCE
CAUSE
(Under what
circumstances does the
risk of ignition occur?)
IN NORM
A
L OPE
RA
TI
ON
W
H
EN M
A
LF
UNC
TI
ON E
XPE
CT
ED
ON I
NF
RE
QUE
N
T M
A
LF
UNC
TI
ON
NO
T
TO BE
T
A
KE
N I
N
TO A
CCOUN
T
REASON DESCRIPTION
BASIS
(standards,
technical
regulations,
experimental
results)
PROOF
(incl. the relevant
properties listed in
column 1)
IN NORM
A
L OPE
RA
TI
ON
W
H
EN M
A
LF
UNC
TI
ON E
XPE
CT
ED
ON I
NF
RE
QUE
N
T M
A
LF
UNC
TI
ON
NO
T
TO BE
T
A
KE
N I
N
TO A
CCOUN
T
RE
SUL
TI
NG D
EV
ICE
CA
TE
GOR
Y as p
er
RL
20
14
/3
4/
EU F
OR
TH
IS
IGNI
TI
ON
SOURCE
NE
CE
SS
A
RY RE
ST
RI
CT
IONS
12 Static electricity
Agglomeration of dust at
the filter elements
x
Accumulations of
dust/hydrogen in the filter
elements
All filter elements are earthed and
integrated in the equipotential earthing.
Hydrogen can escape due to the design.
Note on regular cleaning in the Operating
Instructions
DIN EN 80079-36
6.7.2
Confirm earthing
measures in
earthing report.
See section on
wear-related
maintenance in the
Operating
Instructions
x
Da, Ga
13 Hot surfaces Hot motor surface x
Motor becomes hot during
operation
Possible maximum surface temperature <
ignition temperature of hydrogen (560°C)
Employed motor corresponds to
temperature class T3 (max. perm. surface
temperature 200°C)
Deactivation of system if motor overheats
- TRGS 723 5.2
- DIN EN 80079-36
6.2
Suitability confirmed
by CE certification
issued by Lammers
x
Ga
Resulting EPL including all existing risks of ignition
Dc, Gc