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Operating maual mechanical seal
Rev. 0, 13.02.2004
Should the mechanical seal fail, the hot liquid or steam to be
sealed off may spurt out. Splash guards fitted on the machine,
safety goggles worn by the operating staff, etc. may prevent ha-
zards to persons. The operator/owner is responsible for the pro-
per disposal of leakage, in order to prevent hazards to the envi-
ronment..
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FAULTS/MALFUNCTIONS
Determine and document the nature of the fault/malfunction.
In the event of a fault as evidenced by excessive leakage, ob-
serve the tendency of the leakage amount. Changes in opera-
ting conditions must be documented. If an excessive tempera-
ture rise is detected, the mechanical seal must be shut down for
safety reasons.
A continuous flow of leakage indicates a fault/malfunction at the
mechanical seal.
During the warranty period the mechanical seal shall only be re-
moved and dismantled with the manufacturer’s approval or in
the presence of his representative.
If the fault/malfunction cannot be remedied by the operator or
if the cause is unclear, please contact your responsible KSB
service centre.
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SERVICING / MAINTENANCE
Mechanical seals operated in compliance with manual are
maintenance--free. Wear parts, however, must be replaced as
required.
The mechanical seal shall be inspected in accordance with the
plant inspection schedule. We recommend to have the mecha-
nical seal inspected by competent KSB service staff.
If the mechanical seal is removed during plant inspection, the
contact faces shall be re--worked and all elastomer seals and
springs shall be replaced.
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REPAIR
If the seal needs to be repaired, always return the complete seal
to the manufacturer. The manufacturer’s service personnel will
know best which parts can be re--worked and which parts have
to be replaced to ensure an optimum sealing effect.
If repair on the spot is absolutely necessary (e.g. no spare seal
available, long transport distances, problems with customs pro-
cedures), skilled operator staff may carry out the repair work in
a clean workshop to the directions of the seal manufacturer’s fit-
ters.
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SPARE PARTS
Use only genuine spare parts, to prevent
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the risk of mechanical seal malfunction, involving hazards
to persons and the environment.
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forfeiture of any and all warranty claims.
To ensure quick mechanical seal replacement, we recommend
to stock a complete spare seal.
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REMOVING THE SEAL FROM
THE PUMP
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Shut down the pump, allow to cool down and release pres-
sure as per operating instructions
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No product should contact the mechanical seal Drain the
pump, if necessary!
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Secure the pump against inadvertent start--up!
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Follow the safety instructions (safety data sheets)!
When removing the mechanical seal make sure to observe the
applicable health and safety regulations, as well as the regula-
tions for handling hazardous substances, if the mechanical seal
has already been in operation. If in doubt, the necessary infor-
mation has to be obtained before starting repair work.
Any work on the mechanical seal shall only be performed with
the pump shut down and the pump pressure released.
The sequence of operations required to remove the mechanical
seal from the pump depends on the design of the pump in ques-
tion, which is described in the pump’s operating manual.
Removal of the mechanical seal shall be effected in analogy
with, but in reverse order to, installation.
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CUSTOMER SERVICE
Services provided by the seal manufacturer range from plan-
ning advice to product support after commissioning.
For this purpose, the manufacturer has established a worldwide
network of subsidiaries abroad, partner companies, sales offi-
ces and service centres, to handle any problems.
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PURCHASE ORDERS
For enquiries and purchase orders, the following details are re-
quired:
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KSB order No.
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No. of general pump assembly drawing
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Part item No., description, material, quantity as per drawing.
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DISPOSAL
Usually, mechanical seals can easily be disposed of after a tho-
rough cleaning.
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Metal parts (steel, stainless steel, non--ferrous metals),
shall be sorted and disposed of in the appropriate waste me-
tal collection facility.
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Plastics (elastomers, PTFE) are special waste. After sor-
ting, some of them can be recycled.
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CAUTION!
Material containing fluorine must not be inci-
nerated
.
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Ceramic contact face materials (carbon, ceramics, carbide)
can be separated from their carrier materials and -- being
physiologically harmless -- disposed of as residual waste.
We reserve the right to technical modifications designed to
improve the product
, even if they are not mentioned in this ma-
nual yet.