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Grundfos
Grundfos CMBE 1-44
CMBE 1-44

Grundfos CMBE 1-44

Compact constant-pressure booster pump with an integrated variable frequency drive

GrundfosOfficial partner

Grundfos CMBE 1-44 is a high-efficiency compact booster system for raising pressure, suitable for domestic and light commercial water supply. The system comprises a CME pump with an integrated variable frequency drive, a diaphragm vessel, a pressure gauge, a pressure and flow sensor, a controller and a 5-way fitting with a non-return valve. The permanent-magnet motor (ECM) delivers low energy consumption and exceptionally quiet operation. The pump automatically adjusts its speed to maintain constant pressure.

Features

  • High-efficiency permanent-magnet motor (ECM)
  • Integrated variable frequency drive for constant pressure
  • Low noise level — ≤ 55 dB(A)
  • Dry-running protection with automatic restart
  • AISI 304 stainless steel body and impellers
  • Integrated diaphragm vessel to prevent pressure fluctuations
  • Компактен дизайн "всичко в едно" за лесен монтаж
  • Speed range 360–4000 rpm
  • IP55 protection rating

Applications

Domestic water supplyPressure boosting in residential buildingsMulti-storey buildingsLight commercial premisesIrrigation systemsCirculation systems
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Technical specifications

Key parameters

ModelCMBE 1-44 I-U-C-D-D-A
Part number98374679
Pump typeHorizontal multistage centrifugal
Maximum flow rate13 GPM / 3.0 m³/h
Maximum head44 m
Maximum working pressure10 bar (145 psi)

Electrical data

Power P20.75 kW
Power (HP)1 HP
Voltage1 × 200–240 V
Frequency50/60 Hz
Maximum current8 A
Speed range360–4000 rpm
Protection rating (pump)IP55
Protection rating (sensor)IP44
Insulation classF

Operating conditions

Liquid temperature0–60 °C
Maximum ambient temperature55 °C
Operating temperature−20 to +50 °C
Storage temperature−30 to +60 °C
Noise level≤ 55 dB(A)
Pumped mediumClean water

Connections and dimensions

Connection (inlet)Rp 1" (Whitworth)
Connection (outlet)Rp 1"
Dimensions (L × W × H)325 × 217 × 440 mm
Net weight18 kg
Diaphragm vessel capacity2 litres
Non-return valveYes

Materials

Pump bodyStainless steel DIN W.-Nr. 1.4301 / AISI 304
ImpellersStainless steel DIN W.-Nr. 1.4301 / AISI 304
FlangeCast iron
Stator housingSilumin (aluminium)
Terminal boxComposite material
SealsEPDM

Certification

CertificationCE

* The specifications are for the model given by the part number. For other configurations, get in touch.

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