Grundfos CM and CME pumps - the NEW generation of
horizontal multistage pumps.
Authorized Distributor of
The Grundfos CM pump
When customization, modularity, and reliability are key, turn to the new Grundfos CM pump. This horizontal
multistage pump is a compact, modular, reliable and quiet pump solution from Grundfos.
A small pump with gigantic potential
It was once said that great things come in small packages. The new Grundfos CM is proof positive. This
horizontal multistage pump has been created with compactness and modularity as two of its central
features. Add reliability and quiet operation to the mix, and another innovative pump solution from
Grundfos is born.
Flexibility
While each Grundfos CM pump is individually created, the pump family is designed to be used in a variety
of applications, including:
> Washing & cleaning
Degreasing and washing of production equipment
Washing machines
> Temperature control
- Electronic data processing
- Heating and cooling in industrial processes
> Water treatment
- Reverse osmosis
- Ultra-filtration systems
> Chemical and Pharmaceutical industries
- Distilling systems
- Dosing / mixing
> Building Services
- Water circulation / pressure boosting
- Chillers
> Irrigation
- Agriculture and horticulture
- General water service

Materials
Different materials are better suited for different
applications. The modular concept of the Grundfos
CM pump allows you to select the material that best
suits your needs.
Cast iron (type A)
Solid & reliable, it is perfect for washing and cleaning,
pressure boosting, and chillers.
AISI 304/DIN 1.4301 stainless steel (type I)
The perfect choice for water and non-corrosive liquids
used in water treatment, temperature control,
pressure boosting, and washing & cleaning.
AISI 316/DIN 1.4401 stainless steel (type G)
Offers a high degree of corrosion protection against
aggressive liquids used in chemical, pharmaceutical,
food & beverage, and water treatment applications.
All you’ve ever wanted, in a size you appreciate
Innovation is at the heart of all Grundfos product
solutions. And the Grundfos CM pump is no
exception. But innovation sometimes requires more
than marching to the beat of your own drum. We’ve
listened to customers’ feedback and have
incorporated this into the product.
The CM abbreviation derives from the
most basic description of the pump:
Centrifugal Modular. The pump is basically composed
of a series of interchangeable modules, all of which
have been designed to work together seamlessly, in
any application. The CM pump is primarily used as a
build-in pump in OEM solutions. Its compactness and
flexibility make it an optimal solution for installation
and interaction with other components in a larger
product. It can also be used as a system pump,
connected in complete system solutions, or as a
stand-alone pump.


Wide temperature range
Thanks to the numerous configuration possibilities and range of materials, the Grundfos CM pump can
operate over a wide range of temperatures: from -22 °F to 248 °F. If you require different pumps for
different applications, this flexibility and streamlining helps keep maintenance and spare parts costs to a
minimum.
Quiet operation
CM pumps are often used in small spaces, where loud operation is undesirable. Aside from sounding
better, quiet operation eliminates the need for extra insulation around the product.
Compactness
Certain dimensions have been reduced by more than 30% compared
to corresponding pumps. And the reduction in size is at no loss in
performance. These achievements have been made possible due to
use of advanced processes and technologies in the design of the CM.
Reliability
The Grundfos CM has high reliability; built-in. Clamping of the pump’s
impellers has been greatly improved by implementing a new stop ring
to form a well-defined base. Combining this feature with a Nordlock©
washer at the other end of the pump stack creates a robust and
reliable design.

What’s more, industry-wide problems with sticking of shaft seals where SIC-SIC seal faces are used have
been eliminated. The new CM solution builds on both the implementation of a rotation stop on the stationary
ring and the presence of different surface finishing on the stationary and the rotating ring.
CME provides integrated continuous variable speed control
The CM is available with variable speed functionality offering total control of the pumping system while
providing even more flexibility and as much as 80% reduction in energy costs.
Adaptation of performance through frequency controlled speed offers benefits including:
> Energy savings
> Increased comfort
> Control and monitoring of the application and pump performance
The details make the difference
From end to end, Grundfos’ well-known quality and attention to detail make the difference between
Grundfos CM and other pump brands.
Power
0.3 Hp - 8.4 Hp
0.25 - 6.3 kW
Flow
1 GPM - 160 GPM
0.2 m3/h - 36 m3/h
Temp
-22 °F - +248 °F
-30 °C - +120 °C
Pressure
174 PSI / Head 12 bar
232 PSI / System pressure 16 bar
Features and benefits
The broad motor program
contains both single- and three-phase motors, including E-versions and a
wall mounted VFD solution. Grundfos motors are, or can be directly
protected by Klixon, PTC and PT100, or by the frequency drive itself.
Standard IP54 or IP55 protection can also be provided upon request.
Remember: We can meet all your motor needs!
Installation indicator
is a standard feature on all three-phase CM pumps. It shows whether or
not the motor has been connected properly.
Remember: Your installation runs better when the pump rotates in the
correct direction.
A double protection device
for motor bearings is in place to keep maintenance to a minimum.
Remember: You can rely on Grundfos for top performance, even within
harsh environments.

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