SPP id: Version 14 > / 150201 / Replaces 140901 / en /
N31568
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Series
2.15
INSTRUCTIONS
February 2015
Page
ISO
G
COPYRIGHT © SULZER PUMPS FINLAND OY
ORIGINAL INSTRUCTION
USER'S MANUAL – AHLSTAR
Safety instructions
Potential ignition source (1)
Measures applied to prevent the
source becoming effective (2)
Ignition
protection used
Normal
operation (1a)
Expected
malfunction (1b)
Rare malfunction
(1c)
An
explosive
mixture remains in
the pipeline.
The installation, operation and
maintenance manual contains
instructions on the ventilation of the
pipeline that is connected to the pump.
There is no ignition source.
EN 13463-1 + AC
15.
IOM
IOM =
I
nstallation,
O
peration and
M
aintenance manual
5.3 Group II category 3 (Ex II 3 G c T1, T2, T3 and T4)
Potential ignition source (1)
Measures applied to prevent the
source becoming effective (2)
Ignition
protection used
Normal
operation (1a)
Expected
malfunction (1b)
Rare malfunction
(1c)
Assembly
Electrostatic
discharge from
the pump’s
external
surfaces and
subsequent
arcing
Electrostatic charging is not possible, as
the pump has no exposed plastic parts.
Metal parts are attached to each other so
that there are no differences in potential.
There is no ignition source.
EN 13463-1 + AC
7.4
EN 13463-1 + AC
11.
EN 13463-5 ’c’
Accumulation of
an explosive
mixture of gases
or air in the
pump
All air or gas mixtures are discharged
from the pump when liquid enters.
The pump is so designed that gases or
air cannot accumulate outside the pump.
There is no ignition source.
EN 13463-1 + AC
15.
EN 13463-5 ’c’
IOM
The clutch cover
makes contact
with the clutch
and causes
frictional arcing
or heat
The clutch cover is designed so that
there is sufficient clearance to prevent
contact between the rotating clutch and
the clutch cover.
There is no ignition source.
EN 13463-5 ’c’
Bearings
Overheating of
bearings
A bearing breaks
and overheats
The bearings are dimensioned for
continuous operation at rated values. The
installation, operation and maintenance
manual contains instructions on the
maintenance and condition monitoring of
bearings. The pump has vibration
measurement fittings through which the
condition of the bearings can be
monitored.
There is no ignition source.
EN 13463-5 ’c’ 6
IOM
Load-bearing parts
Components
Clutch
The clutch delivered meets the
requirements of the ATEX Directive.
There is no ignition source.
EN 13463-1 + AC
Electric motor
The motor delivered meets the
requirements of the ATEX Directive.
There is no ignition source.
Ex requirements