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Grundfos SL1 Series User Manual

Grundfos SL1 Series
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English (GB)
14
Proceed as follows:
1. Fit a 90 ° elbow to the pump outlet port and
connect the outlet pipe or hose.
2. Lower the pump into the liquid by means of a
chain secured to the lifting bracket of the pump.
We recommend that you place the pump on a
plane, solid foundation. Make sure that the pump
is hanging from the chain and not the cable.
Make sure that the pump is standing securely.
3. Hang up the end of the chain on a suitable hook
at the top of the tank and in such a way that the
chain cannot come into contact with the pump
housing.
4. Adjust the length of the power cable by coiling it
up on a relief fitting to ensure that the cable is not
damaged during operation. Fasten the relief
fitting to a suitable hook at the top of the tank.
Make sure that the cable is not sharply bent or
pinched.
5. Connect the power cable.
7.3 Torques for inlet and outlet flanges
Grade 4.6 (5) galvanised steel screws and nuts
Grade A2.50 (AISI 304) steel screws and nuts
The free end of the cable must not be
submerged, as water may penetrate into
the cable.
DN
DC
[mm]
Screws
Specified torques
rounded off by ± 5
[Nm]
Slightly
oiled
Well
lubricated
DN 65 145 4 x M16 70 60
DN 80 160 8 x M16 70 60
DN 100 180 8 x M16 70 60
DN 150 240 8 x M20 140 120
DN
DC
[mm]
Screws
Specified torques
rounded off by ± 5
[Nm]
Slightly
oiled
Well
lubricated
DN 65 145 4 x M16 - 60
DN 80 160 8 x M16 - 60
DN 100 180 8 x M16 - 60
DN 150 240 8 x M20 - 120
The gasket must be a full face, reinforced
paper gasket like Klingersil C4300. If softer
gasket material is used, torques must be
reconsidered.

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Grundfos SL1 Series Specifications

General IconGeneral
BrandGrundfos
ModelSL1 Series
CategoryWater Pump
LanguageEnglish

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