Grundfos NKE 125-250/236 A2F2AE-SBQQE
Grundfos NKE 125-250/236 A2F2AE-SBQQE
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Extensive product information
Applications
• Water supply
• Industrial pressure boosting
• Industrial liquid transport
• Indoor climate (air conditioning, heating and ventilation)
• Irrigation
Features and benefits
• Optimized hydraulics in housing and impeller ensures unimpeded fluid flow
• O-ring seal between pump housing and cover, so there is no risk of leakage
• Impeller housing and wear ring made of different materials, provides improved corrosion resistance and no 'sticky' elements
• Back pull-out design for easy disassembly for service
• The pump is electrophoretically coated for increased corrosion resistance
• PN 10 and 16 bar
Specifications
Product name NKE 125-250/236 A2F2AE-SBQQE
Product number 98973733
EAN number 5712604511329
Materials
Pump housing Cast iron
Pump housing EN-GJL-250
Pump housing ASTM class 35
Wear ring Brass
Impeller Cast iron
EN-GJL-200
ASTM class 30
Shaft Stainless steel
EN 1.4301
AISI 304
Internal coating pump housing CED
Material code A
Code for rubber E.
Installation details
Maximum ambient temperature 40 °C
Maximum operating pressure 16 bar
Pipe connection standard EN 1092-2
Suction connection type DIN
Press connection type DIN
Size of the suction connection DN 150
Pressure connection size DN 125
Pressure stage for pipe connection PN 16
Coupling type Flexible w/spacer
Base frame design EN/ISO
Grouting N
Code for pipe connection F.
Medium
Fluid handled Water
Liquid temperature range -25 .. 120 °C
Medium temperature during operation 20 ° C
Density 998.2 kg / m³
Electrical data
Engine type 160LB
IE efficiency class IE3
Nominal power - P2 15 kW
Mains frequency 50 Hz
Rated voltage 3 x 380-480 V
Rated current 30.0-25.4 A
Cos phi – power factor 0.90-0.85
Rated speed 240-1750 rpm
Efficiency IE3 92.1%
Motor efficiency at rated load 92.1 %
Pool number 4
Enclosure class (IEC 34-5) IP55
Insulation class (IEC 85) F.
Motor protection YES
Engine No. 86906223
Other information
Minimum Efficiency Index, MEI ≥ 0.57
Net weight 417 kg
Gross weight 445 kg
Transport volume 0.841 m³
Country of origin HU
HS code 84137059
Control panel Standard
Functional Module PUMP I/O
Frequency converter Integrated
Pressure sensor N
EN 
NL