Flowserve MNV User Manual
Page 12
MNV & MNZ USER INSTRUCTIONS ENGLISH 71569188 11/04
Page 12 of 47
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g) Cover openings in the stuffing box head between
the casing and bearing frame with plastic, taped
in place, to prevent entrance of contaminants into
the stuffing box and line bearing area.
h) Cover the entire pump with a clear plastic sheet
for protection from dust, dirt moisture, etc. and to
allow for visual inspection. The cover should be
open near the top to allow for ventilation.
i) Rotate the pump shaft a minimum of 5
revolutions every two weeks to keep the bearings
coated with lubricant and to minimize the effects
of brinelling.
j) Refer to the vendors instruction manuals for
extended storage procedure for motors, controls,
coupling, etc.,
k)
Prior to start up or installation, an Flowserve
representative should be hired to inspect all
equipment to determine if any damage or
deterioration of parts has occurred and that the
equipment is in "as shipped" condition.
2.5 Recycling and end of product life
At the end of the service life of the product or its
parts, the relevant materials and parts should be
recycled or disposed of using an environmentally
acceptable method and local regulations. If the
product contains substances that are harmful to the
environment, these should be removed and disposed
of in accordance with current regulations. This also
includes the liquids and or gases that may be used in
the "seal system" or other utilities.
Make sure that hazardous substances are
disposed of safely and that the correct personal
protective equipment is used. The safety
specifications must be in accordance with the current
regulations at all times.
3 DESCRIPTION
The MNV/MNZ type pumps are single stage, volute
type, dry pit, centrifugal pumps designed for handling
sewage, storm water, dry dock and industrial waste
applications with end suction side discharge mix flow
non-clog design.
It should be noted that unscreened raw sewage may
introduce some chances of clogging and therefore
clogging may be totally avoided, if appropriate level
of screening is applied.
•
Pump type MNV (with the suction elbow
)
•
Pump type MNZ (with the suction nozzle
)
These are end suction side discharge mix flow non-
clog pump. The information contained in this book
covers long shafted pumps where the pump and
driver are installed separately connected by one or
multiple shafting using universal joints (some
exceptional cases may have rigid or geared
couplings). Type MNV is fitted with a suction elbow
and MNZ with a suction nozzle.