Operating instructions B-Series
Version 2.4, En Page 39 of 81 21-10-2005
6.2.2 Plan 11
The pump is provided with a pipe assembled between the pump delivery side and the place of the contact
surfaces of the mechanical shaft seal. The contact surfaces are rinsed by the medium originating from the
delivery side of the pump. The pipe is provided with a small throttle, see technical specifications B-Series.
6.2.3 Plan 12
The pump is provided with a pipe assembled between the pump delivery side and the place of the contact
surfaces of the mechanical shaft seal. The contact surfaces are rinsed by the medium originating from the
delivery side of the pump. The pipe is provided with a small throttle and a filter, see technical
specifications B-Series.
6.2.4 Plan 21
The pump is provided with a pipe assembled between the pump delivery side and the place of the contact
surfaces of the mechanical shaft seal. The contact surfaces are rinsed by the medium originating from the
delivery side of the pump. The pipe is provided with a small throttle and a cooler, see technical
specifications B-Series.
6.2.5 Plan 31
The pump is provided with a pipe assembled between the pump delivery side and the place of the contact
surfaces of the mechanical shaft seal. The contact surfaces are rinsed by the medium originating from the
delivery side of the pump. The pipe is provided with a small throttle and a cyclone, see technical
specifications B-Series.
6.3 Piping rinsing and sealing liquid
With the installation of a sealing or rinsing liquid system always use the lowest opening as the inlet and
the highest opening as the outlet if a two-sided connection is used. This allows the simpler removal of air
or gases released.
Also use materials and elastomers which have good resistance to the medium to be pumped.
Make sure that the components of the sealing or rinsing liquid system are mechanically well shielded.
The client/end user is himself responsible for the connection of electronic components which are used for
the sealing or rinsing liquid system.
After the assembly of components to the auxiliary system test to check that the system is fully leaktight.
Opening without
danger:
In the case of pumping volatile and/or dangerous liquids the
dangers of these substances must be taken into account when
opening.
Protection against
other dangers:
In the case of hot liquids being pumped it is the responsibility
of the employer to warn against hot surfaces if employees can
come into contact with them.
Not complying with the instructions in the operating instructions can cause
danger to the user and the environment and/or serious damage to the pump or the
pump set.
Extra point(s) for attention with ATEX pumps.
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