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Grundfos : CMB3-37 A-C-A-C-A-A 1×220-240V 50Hz

Product No.: 97530132   

The Grundfos CM Booster with pressure manager PM1
is a compact booster set for water supply in domestic
applications. The pressure booster unit consists of a
Grundfos CM pump and a Grundfos pressure manager
PM1. The pressure manager allows the pump to start
and stop automatically according to demand and
protects the pump from dry running.

The CM Booster is very easy to install. When the
booster has been connected to the pipework, it is all a
matter of plugging the plug into a socket, and the
system is operational.

Features
• compact
• easy installation
• dry-running protection
• anti cycling (leakage detection).

Applications
Grundfos CM PM1 Booster is mainly used for domestic
and light commercial water supply or booster systems.

Technical data
Liquid
Pumped liquidWater
Liquid temperature range0 .. 60 °C
Selected liquid temperature20 °C
Density998.2 kg/m³
Technical
Pump speed on which pump data are based2900 rpm
Rated flow3.1 m³/h
Rated head27.7 m
Primary shaft sealAVBE
Approvals and markingsCE,EAC
Return valveYES
Start pressurePM1 – 1.5 bar
Materials
Pump housingCast iron
EN-JL1030
ASTM 30 B
ImpellerStainless steel
DIN W.-Nr. 1.4301
AISI 304
RubberEPDM
Installation
Maximum ambient temperature55 °C
Flange standardWHITWORTH THREAD RP
Pump inletRp 1
Pump outletEXT. G1
Electrical data
Rated power – P20.5 kW
Mains frequency50 Hz
Rated voltage1 x 220-240 V
Maximum current consumption5.4-5.0 A
Rated speed2750-2790 rpm
Enclosure class (IEC 34-5)IP55
Insulation class (IEC 85)F
Type of cable plugSCHUKO
Mains cable1.5 m
Mains cable1.5 m
Others
Net weight13.6 kg
Gross weight17.1 kg
Net weight22 kg
Country of originCN
Custom tariff no84137042

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