TM059256
Moving unit
Gasket
The gasket is a formed flat O-ring made of EPDM, which
is applicable for drinking water as well. The gasket seals
up stator housing, pump housing, rotor can and bearing
plate.
TM059257
Gasket
TM060846
Sectional drawing showing sealing principle of gasket
Control box
The UPM3 control box housing is made of two composite
parts welded together with an aluminium heat sink on top
and covered by a front foil which cannot be removed.
Power and signal connectors are integrated. There are
two versions available with signal connection designed for
Grundfos UPER/UPM connector or TE Mini Superseal
connector.
The control box contains the PCBs for internal power
supply, control, and communication. The control box
includes all relevant functions and EMC filter components.
It is available with different hard- and software, mainly
different regarding internal or external control, with or
without operating panel and communication signal as
PWM.
TM060826
Control box
Pump housing
As a standard, the pump housing is available in
electrocoated cast iron with threaded inlet and outlet
ports. The reference pump housing is of the in-line type.
The stainless-steel neck ring is pressed into the pump
housing to minimise the amount of liquid running from the
outlet side of the impeller to the inlet side.
A wide range of OEM specific pump housings is available.
TM059254
Pump housing
UPM3 OEM specific housings
UPM3 pumps are available with a wide range of
integrated standard housings or customised pump
housings with different dimensions, in different materials,
designs and with additional functionalities. Composite
housings are mostly injection-moulded at the Grundfos
factory using the tools designed and manufactured by
Grundfos. The advantage of composite housings is the
flexibility in forming complex housings and other hydraulic
parts with low weight and production costs. Composite
housings are limited to high-volume parts due to their high
investment costs.
UPM3
9
38
Technical description
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