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Grundfos
Grundfos CMBE 3-93
CMBE 3-93

Grundfos CMBE 3-93

High-head 93 m booster pump for multi-storey buildings and commercial premises

GrundfosOfficial partner

Grundfos CMBE 3-93 is a high-efficiency compact booster system with a maximum head of 93 metres (333 ft), suitable for multi-storey residential and commercial buildings with demanding pressure requirements. The system comprises a CME pump with an integrated variable frequency drive, 6 AISI 304 stainless steel impellers, 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 quiet operation and low energy consumption.

Features

  • High-efficiency permanent-magnet motor (ECM)
  • Integrated variable frequency drive for constant pressure
  • 6 impellers for a high head of up to 93 m
  • 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

Multi-storey residential buildingsCommercial premisesPressure boosting in large installationsHotels and public buildingsIndustrial applicationsIrrigation systems
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Technical specifications

Key parameters

ModelCMBE 3-93 I-U-C-D-D-A
Part number98374694
Pump typeHorizontal multistage centrifugal
Rated flow rate3.7 m³/h
Maximum flow rate25 GPM / 5.7 m³/h
Maximum head93 m (333 ft)
Maximum working pressure10 bar (145 psi)
Number of impellers6

Electrical data

Power P21.5 kW
Power (HP)2 HP
Voltage1 × 200–240 V
Frequency50/60 Hz
Maximum current9.10–7.60 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)406 × 217 × 455 mm
Net weight20 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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