Grundfos CR 45-11-2 A-F-A-E-HQQE

The Grundfos CR series offers a huge range of pumps with unrivaled reliability, which can be configured for a wide variety of applications. If you are looking for multi-stage centrifugal pumps, CR pumps remain the most sensible choice, due to their high efficiency, reliable performance and configuration options. Whether it concerns complex pump requirements, difficult liquids or challenging operating conditions, there is always a version available.

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Extensive product information

Applications

• Process water systems
• Hygienic washing and cleaning systems
• Seawater applications
• Water treatment
• Acids and alkalis
• Boiler power
• Applications involving temperature control with very high, low or highly variable temperatures

Features and benefits

• Can be used for a wide range of applications
• Configurable for extremely high pressures, extreme temperatures and aggressive, abrasive or flammable liquids
• High efficiency
• Maintenance-friendly
• Highly corrosion resistant
• Space-saving design

Specifications

Productnaam CR 45-11-2 A-F-A-E-HQQE
Productnummer 96122816
EAN nummer 5700396688602

Materials

Pump housing Cast iron
EN 1563 EN-GJS-500-7
ASTM A536 80-55-06
Impeller Stainless steel
EN 1.4301
AISI 304
Material code A
Code for rubber E.
Lower SIC
Support bearing Graflon

Installation details

Maximum ambient temperature 55 ° C
Maximum operating pressure 30 bar
Max. pressure at stated temp. 30 bar / 120 ° C
30 bar / -30 ° C
Type of connection DIN
Size of the suction connection DN 80
Size of the pressure connection DN 80
Pressure stage for pipe connection PN 40
Flange size of the motor FF400
Code for pipe connection F.

Medium

Fluid handled Water
Liquid temperature range -30 .. 120 ° C
Medium temperature during operation 20 ° C
Density 998.2 kg / m³

Electrical data

Motor standard IEC
Engine type SIEMENS
IE efficiency class IE3
Rated power - P2 45 kW
Power (P2) required for pump 45 kW
Mains frequency 50 Hz
Nominal voltage 3 x 380-420D / 660-725Y V.
Nominal current 81.0-74.0 / 47.0-43.0 A.
Starting current 690-690 %
Cos phi - power factor 0.89
Nominal speed 2960 rpm
Efficiency IE3 94.0%
Motor efficiency at rated load 94.0-94.0 %
Motor efficiency at 3/4 power 94.5-94.5 %
Motor efficiency at half power 94.4-94.4 %
Pool number 2
Enclosure class (IEC 34-5) IP55
Insulation class (IEC 85) F.
Motor protection PTC
Engine No. 81U15336

Other information

Minimum Efficiency Index, MEI ≥ 0.70
Net weight 455 kg
Gross weight 506 kg
Transport volume 1.13 m³
Danish VVS No. 385907112
Finnish LVI No. 4925502
Country of origin DK
HS code 84137075
Frequency converter NONE

Grundfos CR 45-11-2 A-F-A-E-HQQE