5 Installation at Site
43 of 116
CHTRa
NOTE
Installing check and shut-off elements in the system is recommended, depending on
the type of plant and pump. However, such elements must not obstruct proper
drainage or hinder disassembly of the pump.
1. Thoroughly clean, flush and blow through all vessels, pipelines and connections
(especially of new installations).
2. Before installing the pump in the piping, remove the flange covers on the
suction and discharge nozzles of the pump.
CAUTION
Welding beads, scale and other impurities in the piping
Damage to the pump!
▷
Remove any impurities from the piping.
▷
If necessary, install a filter.
▷
Observe the information in (
CAUTION
Inadmissible forces at the flange connections
Overloaded pump nozzles and leakage!
▷
It must be possible to insert all bolts of the flange into their respective holes
and to remove them without becoming bolt bound (off-set holes).
▷
It must be possible to bring the pipes into their mounting position with one
hand.
▷
It must be possible to prise apart the pump nozzle flanges by approx. 300 mm.
(Fitting the flange seal)
▷
Never use flange bolts to tighten the flanges.
3. If the flange seal has not yet been fitted, insert flange seal. For this purpose, use
an appropriate tool to prise apart the flanges in order to fit the flange seal.
4. Connect the pump nozzles with the piping.
CAUTION
Aggressive flushing liquid and pickling agent
Damage to the pump!
▷
Match the cleaning operation mode and duration of flushing and pickling to
the casing materials and seal materials used.
5.16.6.1 Permissible forces and moments at the pump nozzles
See the general arrangement drawing.
5.16.6.2 Vacuum balance line (if applicable)
NOTE
Where fluid has to be pumped out of a vessel under vacuum, installing a vacuum
balance line is recommended.
The following rules apply to vacuum balance lines:
▪
Minimum nominal line diameter 25 mm.
▪
The line extends above the highest permissible fluid level in the vessel.
Содержание CHTRa
Страница 1: ...Process Pump CHTRa Installation Operating Manual...
Страница 112: ...10 Related Documents 112 of 116 CHTRa 10 5 Order specific documents...
Страница 114: ...Index 114 of 116 CHTRa W Warnings 9 Warranty claims 7 Weight 110...
Страница 115: ......
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