Grundfos CRE 20-6 NFAE-HQQE
Grundfos CRE 20-6 NFAE-HQQE
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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
• Quality and reliability built through testing and refinement of the design
• Corrosion resistant pumps that can be combined in various ways for almost any application
• Compact design to save space
• Grundfos MGE motor with integrated frequency inverter to vary the speed and deliver the most optimal pump performance
• Special pump solutions to work with extremely high pressures, with extreme temperatures and with liquids that can be aggressive, abrasive, dangerous or flammable
• High efficiency
• Maintenance-friendly
• Space-saving
• Suitable for slightly aggressive liquids
• High corrosion resistance
• Single pump solution, allowing high pressures
Specifications
Product Name CRE 20-6 NFAE-HQQE
Product number 99071671
EAN number 5712606195909
Materials
Pump housing Cast iron
EN 1561 EN-GJL-200
ASTM A48-25B
Impeller Stainless steel
EN 1.4301
AISI 304
Material code A
Code for rubber E.
Lower SIC
Installation details
Maximum ambient temperature 50 °C
Maximum operating pressure 16 bar
Max. pressure at stated temp. 16 bar / 120 ° C
16 bar / -20 ° C
Type of connection DIN
Size of the suction connection DN 50
Pressure connection size DN 50
Pressure stage for pipe connection PN 25
Flange size of the motor FF300
Code for pipe connection F.
Medium
Fluid handled Water
Liquid temperature range -20 .. 120 ° C
Medium temperature during operation 20 ° C
Density 998.2 kg / m³
Electrical data
Motor standard IEC
Motor type 160MH
IE efficiency class IE5
Rated power - P2 11 kW
Power (P2) required for pump 11 kW
Mains frequency 50 / 60 Hz
Rated voltage 3 x 380-500 V
Rated current 20.3-16.0 A
Cos phi – power factor 0.93-0.90
Rated speed 360-4000 rpm
Yield 93.1%
Motor efficiency at rated load 93.1 %
Enclosure class (IEC 34-5) IP55
Insulation class (IEC 85) F.
Motor protection ELEC
Engine No. 98971053
Other information
Minimum Efficiency Index, MEI ≥ 0.70
DOE Pump Energy Index CL 0.00
DOE Pump Energy Index VL 0.00
Net weight 119 kg
Gross weight 150 kg
Transport volume 0.619 m³
Configuration file no. 99059209
Danish VVS No. 386005106
Country of origin DK
HS code 84137075
Control panel Standard
Functional Module 300
Frequency converter Integrated
Pressure sensor Y
EN 
NL