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Grundfos NBG Close Coupled End Suction Pump With Baseplate 80/50/200 to 80/50/250 (ISO 2858)

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  • Non-self priming, single-stage centrifugal pump according to AS2129 table E.
  • The pump is for the pumping of thin, clean or slightly contaminated liquids without abrasive or long-fibred solids.
  • The pump is directly coupled with an IEC-flanged 3-phase AC motor.
  • The impeller is hydraulically as well as dynamically balanced.

The pump has the following characteristics:

  • flange dimensions according to EN 1092-2,
  • Cast iron volute pump housing,
  • stainless steel shaft and Cast iron impeller and bronze wear rings,
  • unbalanced mechanical shaft seal according to EN 12756.

 

Controls:
Frequency converter:    None
Pressure sensor:    N

Liquid:
Pumped liquid:    Water
Liquid temperature range:    -25 .. 120 °C
Selected liquid temperature:    60 °C
Density:    983.2 kg/m³

Technical:
Pump speed on which pump data are based:    1455 rpm
Rated flow:    31.61 m³/h
Rated head:    8.458 m
Actual impeller diameter:    171 mm
Nominal impeller diameter:    200
Type of impeller:    Standard
Shaft seal arrangement:    Single
Primary shaft seal:    BQQE
Code for shaft seal:    BQQE
Curve tolerance:    ISO9906:2012 3B2
Bearing design:    Standard

Materials:
Pump housing:    Cast iron
     EN-GJL-250
     ASTM class 35
Wear ring:    Bronze
     CuSn10-C
Impeller:    Cast iron
     EN-GJL-200
     ASTM class 30
Internal pump house coating:    CED
Shaft:    Stainless steel
     EN 1.4401
     AISI 316

Installation:
Maximum ambient temperature:    40 °C
Maximum operating pressure:    16 bar
Pipe connection standard:    AS2129 table E
Size of inlet connection:    DN 80
Size of outlet connection:    DN 50
Pressure rating for connection:    PN 16
Bearing lubrication:    Grease
Pump housing with feet (Yes/No):    Yes
Support block (Yes/No):    N

Electrical data:
Motor type:    WEG
Rated power - P2:    1.1 kW
Mains frequency:    50 Hz
Rated voltage:    3 x 220-240/380-415 V
Rated current:    4,13-2,39/4,05-2,34 A
Cos phi - power factor:    0.83-0.77
Rated speed:    1450-1460 rpm
IE efficiency:    IE3 84,3% - IE3 84,8%
IE Efficiency class:    IE3
Motor efficiency at full load:    84.3-84.8 %
Motor efficiency at 3/4 load:    84.7-84.1 %
Number of poles:    4
Enclosure class (IEC 34-5):    IP55
Insulation class (IEC 85):    F
Motor No:    99737187

Others:
Minimum efficiency index, MEI ?:    0.70
Net weight:    54 kg
Gross weight:    71 kg
Shipping volume:    0.315 m³
Country of origin:    CN
Custom tariff no.:    8413709062
Language on pump nameplate:    GB

Estimated Delivery Time Frame:7-14 business days

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Reference ID: 14457965

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