5.2 Foundation
Fasten the pump to a solid horizontal foundation by means of
screws through the holes in the base plate. See the figures below.
TM065729
Horizontal foundation
TM063809
Base plate
[mm (inch)]
A 181 (7.13)
B 130 (5.12)
C 144 (5.67)
5.3 Connecting the piping system
Make sure that the pump is not stressed by the piping sys-
tem.
Always loosen and tighten the union nuts on the inlet and
outlet ports by hand. Damage to the inlet and outlet parts
increases the risk of leakage.
1. Turn the union nuts by hand to loosen the inlet and outlet ports.
See the figure below.
2. Seal the pipe fittings with thread sealing tape.
3. Carefully screw the inlet and outlet connections to the pipe
fittings using a pipe wrench or similar tool. Keep the union nut
on the pipe fitting if you have removed it from the pump. The
pump is equipped with flexible connections, ± 5 °, to facilitate
the connection of inlet and outlet pipes.
4. Fasten the connections to the inlet and outlet. Hold the
connection with one hand and tighten the union nut with the
other hand.
TM064318
How to fit the connections
Pos. Description
1 Inlet and outlet port
2 Union nut
3 Pipe fitting
5.4 How to reduce noise in the installation
We recommend to use flexible hoses and mount the pump
on a vibration-damping rubber pad.
Vibrations from the pump may be transferred to the surrounding
structure and create noise in the 20-1000 Hz spectrum, also called
the bass spectrum.
Correct installation using a vibration-damping rubber pad, flexible
hoses and correctly placed pipe hangers for rigid pipes can reduce
the noise experienced by up to 50 %. See the figure below.
Place pipe hangers for the rigid pipes close to the connection of the
flexible hose.
TM064321
How to reduce noise in the installation
Pos. Description
1 Rubber pad
2 Pipe hanger for rigid pipe
3 Flexible hose
9
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