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55
Static Discharge Overfilling &
discharge of
pump media
through filler tube
Earth clamp can
be fitted or an
optional level
sensor fitted.
Alternatively an
optional burst
pressure sensor
can be fitted both
of which shut
down the drive
motor.
Instruction
Manual
Control of ignition
source `b` if
second option
fitted
Pump operation
in an explosive
atmosphere
H&S in an
explosive
environment
N/A
Ensure during
pump operation a
warning triangle
with black letters
`Ex’ on a yellow
background is
displayed at
points on entry to
work area
EN 13463-1
Frictional heat of
moving parts
inside the casing
Risk of sparking
N/A
The moving parts
inside the casing
are covered and /
or submersed in
oil which acts as
a lubricant, spark
quenching agent
and coolant
Liquid Immersion
`k`
Unacceptable
loss of lubricant
from casing
through leaks or
suction
N/A
A level plug
is/can be
provided on the
front cover. The
oil level and
sealing joints
have to be
checked weekly.
Alternatively, a
low level sensor
can be fitted and
set BELOW
normal operating
level, taking into
account level
fluctuations.
Instruction
manual or control
of ignition source
`b` if monitoring is
fitted
Front Cover High surface
temperature
N/A As above plus
ensure shimming
is correct and
pump does not
run dry for long
periods
Change in duty
by reduction of
rpm
OverTemp N/A Add forced fan
cooling or
thermistors
Contact drive
manufacturer
To control ignition
source