Grundfos - CMB
Grundfos - CMB


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Grundfos : CMB5-46 A-C-A-C-P-B 1×220-240V 50Hz 24L

Product No.: 98158281

The Grundfos CM Booster PT is an automatic booster system for water supply in domestic and agricultural applications as well as other installations where small
leakages are expected to occur.
The booster system consists of a Grundfos CM pump, a pressure tank and a pressure switch assembled into one unit.
The system is supplied ready for use, with preset start pressure and corresponding tank precharge pressure.The pressure band is approximately 1 bar.
The system is simple to install. When the system has been connected to the pipework, it is all a matter of inserting the plug into a power supply socket, and the system is operational.
Features:
• CM pump
• pressure tank to minimise the number of pump
starts
• motor protection (single-phase only)
• automatic operation.

The Grundfos CM Booster PT is mainly used for agricultural and light-commercial water supply and similar water installations where minor leakages can be expected.

NB:
Suction lift: Max. 1 m, including suction-pipepressure loss at a liquid temperature of +20 °C. (not self-priming)

Technical data
Liquid
Pumped liquid Water
Liquid temperature range 0 .. 60 °C
Selected liquid temperature 20 °C
Density 998.2 kg/m³
Technical
Pump speed on which pump data are based 2900 rpm
Rated flow 4.6 m³/h
Rated head 38.6 m
Primary shaft seal AVBE
Approvals and markings CE,CN ROHS
Return valve YES
Start pressure 1-5 bar
Materials
Pump housing Cast iron
EN-JL1030
ASTM 30 B
Impeller Stainless steel
DIN W.-Nr. 1.4301
AISI 304
Rubber EPDM
Installation
Maximum ambient temperature 50 °C
Flange standard WHITWORTH THREAD RP
Pump inlet Rp 1 1/4
Electrical data
Rated power – P2 0.9 kW
Mains frequency 50 Hz
Rated voltage 1 x 220-240 V
Maximum current consumption 5.4-5.0 A
Rated speed 2750-2790 rpm
Enclosure class (IEC 34-5) IP55
Insulation class (IEC 85) F
Type of cable plug SCHUKO
Mains cable 1.5 m
Tank
Tank volume 24 l
Others
Net weight 22 kg
Gross weight 25 kg
Country of origin CN
Custom tariff no 84137042

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