Safe Use; Operation; Complete Drainage Of Container (Pump Tube Re) - lutz PP 41-R-DL Originalbetriebsanleitung

en
!
CAUTION
Danger of injury due to tipping over of empty drums
and containers!
► The pump tube must always be positioned vertically
in the bunghole.
► This can be ensured with the aid of a drum adapter
or emission control drum adapter.
► Pump tubes with immersion depths of more than
1200 mm (47 Inches) should be fitted with an
installation flange (→ Fig. 2, Item 1).
► When installed in containers with liquids in
motion: The bottom end of the pump tube must
be secured additionally (→ Fig. 2, Item 2).

5.3 Safe use

► Do not subject the discharge to tension or pressure
(→ Fig 3).
► The bending moment M
exceed the following values:
Pump material
Polypropylene (PP)
Polyvinylidene fluoride
(PVDF)
Aluminium (Alu)
Stainless steel (SS
1.4571)
Hastelloy C (HC)
Tab. 5: Maximum permissible bending moment M
► Pump must not submerged further than the
discharge port (→ Fig. 4).
► A foot strainer must be used when pumping liquids
containing large mechanical impurities (e.g. fibrous
materials) (→ Fig. 5).
at the outlet must not
B
Maximum
bending moment M
B
10 Nm
20 Nm
20 Nm
30 Nm
30 Nm
B

6. Operation

3 All connections and fittings are properly tightened.
NOTICE
Damage of property as a result of dry running!
► Supervise the pump tube or monitor with a flow
monitoring device.
► Ensure that the pump is pumping liquid.
► Pump tubes with mechanical seal never may run
dry.
- Sealless pump tubes may run dry 15 minutes
only.
6.1 Complete drainage of container
(pump tube RE)
3 Liquid flow interrupted completely
!
WARNING
Danger of injury and intoxication as a result of
splashing dangerous liquids at low level!
► Use containers with a cover.
► Tip the container up.
► Guide the intake port to the tipping point of the
container.
► End pump action: Close the sealing pot when the
motor is running:
- Pump tube RE SS for complete drum drainage:
Activate lever A (→ Fig 6, item 1).
- Pump tube RE PP for complete drum drainage:
Activate lever A (→ Fig 7, item 1).
► Switch off motor.
► Remove the pump tube and place in the next
container.
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