GRUNDFOS TP
- the widest range of in-line choices
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Motor design
The efficiency of the motor plays a crucial role in the
efficiency of any pump. Grundfos TP pumps therefore feature
EFF1 motors as standard.

EFF1 motors – standard equipment in TP pumps
All Grundfos TP pumps are now fitted with energy-efficient
EFF1 motors as standard. EFF1 is the most efficient category
of motors in the new European CEMEP norm, which means
that these motors have the lowest energy consumption
currently available. The efficiency and energy consumption of
a pump motor are particularly crucial under the partial-load
conditions at which most pumps actually operate most of the
time. These motors therefore make an important contribution
to Grundfos TP pumps being the most efficient and reliable in-
line pump units currently available anywhere in the world.

Lower heat generation – smaller ventilators
The high level of efficiency in EFF1-standard motors means
that pump operation produces less heat. The cooling
requirement of the motor is therefore reduced, which in turn
means that a smaller ventilator is required.

Low noise level – long bearing life
Fitting a smaller ventilator means the noise level is reduced.
At the same time, the motor bearings benefit from the low
operating temperature, thereby prolonging their service life.

Long lubrication intervals
With the reduced amount of heat being produced, the pump
motor requires less frequent lubrication. This saves both time
and money in the maintenance budget.
Grundfos TP – exceptional reliability

provides both installers and end-users with major benefits and cost
savings.
savings.


Exceptional manufacturing standards
> Grundfos manufacturing facilities throughout the world are certified
to ISO 9000 standard or higher. All Grundfos TP pumps are therefore
exhaustively checked and tested prior to dispatch and all
manufacturing data is fully accessible.
> Components are machined using the most advanced CNC machinery
currently available. This ensures complete uniformity.
> Sourcing components from rigorously evaluated specialist suppliers.
Exceptional design
> An exceptionally rigid construction in which the coupling and shaft of the pump are friction-welded
together to provide an extremely stable, mechanical unit with reduced vibration and friction. This reduces
wear on the bearings and on the mechanical shaft seal, increasing both efficiency and operational
reliability.
> The very rigid shaft and coupling design means that the shaft seal works more efficiently, and vibration
and wear are reduced to an absolute minimum. This also ensures longer service life for the motor
bearings.
> Use of reduced tolerances for the distance between the impeller and the pump casing eliminates
irregular movement and back flow is minimised. This means greater efficiency and lower energy
consumption.
Fast Facts

The integration of coupling and shaft has traditionally been the weak point of
in-line pumps, since this has an important effect on wear in both motor
bearings and the mechanical shaft seal.

The new, fully integrated coupling/shaft used in the Grundfos TP design
addresses this problem by friction-welding them together into one completely
stable mechanical unit. The impeller of the Grundfos TP in-line is balanced in
much the same way as the wheels of a car to ensure as stable and smooth an
operation as possible.
Electronic speed control – only one supplier

All Grundfos TP pumps are available with electronic speed control that automatically adjusts pump output to
match current conditions. This means that energy consumption is always kept to the absolute minimum.

By automatically adjusting their own speed, Grundfos TP pumps are able to regulate the pressure to match
system conditions perfectly.

Electronic speed control is available fully integrated into Grundfos TP pumps up to 22 kW and includes the
necessary application software to achieve an all-in-one solution. For larger capacities, Grundfos provides
solutions with external frequency converters and control systems.
If you would like to order any literature, or information on sizing, new enquiries, replacement needs, please
email: info@harshindia.com or call our local offices.
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