Series RMI-B
close-coupled design
Page
5
9430-005-en
Revision 03
TM 10456
Edition 06/2022
2
Safety
This
operating
manual
contains
fundamental
information which is to be observed during installation,
operation and maintenance.
It
must
be
read
before
installation
and
commissioning!
This operating manual must always be available at the
place of use of the machine/plant.
Observe the safety notes in all the chapters.
Installation, operation and maintenance are to be per-
formed by qualified staff.
The area of responsibility, authority and supervision of
the staff must be exactly regulated by the customer.
If the staff does not have the necessary expertise, they
are to be trained and instructed.
If necessary, this can be provided by the manufac-
turer/supplier on behalf of the machine operator.
General hazard symbol!
People may be
put at risk.
Safety symbol!
The pump and its function
may be put at risk if this safety symbol is not
observed.
EU marking!
Explosion-protected equip-
ment must be identified for work in poten-
tially explosive areas.
Warning of a magnetic field!
Warning of electric power!
This warning sign must be used if people
with a pacemaker are at risk, e.g. from a
strong magnetic field.
It is imperative to observe signs attached directly to the
pump / unit, e.g.:
♦
Direction of rotation arrow
♦
Warning against dry-running
♦
Type plate
and they are to be kept legible.
Non-observance of the notes on safety may result
in the loss of any and all claims for damages.
Non-observance may involve the following hazards:
♦
Failure of important functions of the machine/plant.
♦
Failure of electronic equipment and measuring in-
struments due to magnetic fields.
♦
Risk to people and their personal property from
magnetic fields.
♦
Risk to people from electric, mechanical and chem-
ical effects.
♦
Risks to the environment through leaks of hazard-
ous substances.
If the unit is used in potentially
explosive areas, special attention is to
be paid to the sections identified with
“Ex” in this operating manual.
2.1 Intended use
Richter pumps of the series RMI-B are plastic-lined
magnetic drive centrifugal pumps for the leak-free con-
veyance of aggressive, toxic, pure and inflammable liq-
uids. The pump is equipped with a permanent magnetic
synchronous drive.
♦
Only operate the pump / the unit in a technically per-
fect condition.
♦
Only use the pump with the media described in the
data sheet.
♦
For vertical installation of the pump, please consult
the manufacturer.
The observance of the specified physical limits is im-
portant for perfect functioning and safe operation, es-
pecially with regard to explosion protection to prevent
potential sources of ignition (see
Section 2.6
):
♦
Avoid dry running
♦
Ensure that the pump is commissioned only with the
pumped medium and is not operated without.
♦
For safe pump operation, we recommend a flow rate
between 0.3 and 1.1 Q
opt
. The maximum operating
temperature must never be exceeded. See
Section
2.6.7
. In case of doubt, you must consult the manu-
facturer.
♦
The manufacturer must be consulted in the event of
entrainment of gas >2% as well as solids in order to
avoid a lack of lubrication and dry-running.
♦
The plant NPSH value (NPSHA) should be 0.5 m
higher than the NPSH value of the pump (NPSHR).
See also
Section 5.4.1
.
Inadmissible modes of operation, even for
brief periods, may result in serious damage
to the unit.
In connection with explosion protection, potential
sources of ignition (overheating, electrostatic and in-
duced charges, mechanical and electric sparks) may
result from these inadmissible modes of operation; their
occurrence can only be prevented by adhering to the
intended use.
