Slurry Pump
WH15AM1AAA0EN_06B.DOC JAN 05-W02
Installation
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7. Connect the gland water supply pipe, in case of pumps with a water flush gland seal.
Water must be clean, and at the correct pressure and flow rate. See Table 6.4.4-1
and section 9.5.3.
Recommended water quality for flushed gland
pH : 6.5 to 8
Dissolved solids : < 1000 PPM
Suspended solids : < 100 PPM
Max particle size : - 60µ
Max individual dissolved ions :
Hardness (Ca+, Mg+) : < 10º dH
Calcium Carbonate (CaCO3) : < 20 PPM
Sulphate (SO4-) : < 50 PPM
Table 6.4.4-1 Recommended water quality for flush water
8. Ensure that all safety covers are fixed securely in position.
NOTE: IF THE PUMP HAS BEEN BROUGHT OUT OF STORAGE, LUBRICANT RENEWAL MAY BE
ADVISABLE. SEE LONG TERM STORAGE RECOMMENDATIONS IN SECTION 1.2.4 .
6.4.5 Cold climates
Where there is the likelihood of pump being exposed to below freezing conditions the
following precautions are strongly recommended.
1. If practical, on site all pumps should be installed with their outlets in position-3 as
shown in ‘General Arrangement’, sub-section 2.6.
2. Immediately pump is stopped drain discharge pipework.
3. Where practicable, fix adequate drain plugs on discharge pipework local to pump.
4. Disconnect flange fixings to pump oulet and inlet. Siphon out as much of the slurry
as possible.
A small amount of slurry can remain in bottom of pump case provided it does not come in
contact with the impeller.
These precautions will make it possible to drain the pump and its pipework of all slurry
during shut-downs.
6.4.6 Pump outlet positions
To reposition the pump case outlet to suit existing pipework, follow relevant instructions in
Dismantling and Assembly, section 9.5. ‘General Arrangement’, sub-section 2.6 shows
the possible outlet positions.
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