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Grundfos Nkg Bare Shaft 300-250-350/306 Water Pump Bare Shaft Pump for Industrial Use

Price $2000.00
Min Order 1 Piece
Availability In Stock
Shipping From Tianjin, China
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Model NO.:
NKG 300-250-350/306
Max.Head:
256 M
Max.Capacity:
1200 M³/H
Driving Type:
Motor
Impeller Number:
Single-Stage Pump
Working Pressure:
25bar
Influent Type of Impeller:
Non - Self - Priming
Position of Pump Shaft:
Horizontal Pump
Pump Casing Combined:
Verticaljoint Surface Pump
Mounting Height:
Non - Self - Priming Single - Stage Volute Centrif
Impeller:
Closed
Usage:
Commercial Buildings
Number of Poles:
6
Actual Impeller Diameter:
306mm
Pump Data Is Based on The Pump Speed on:
1450 Revolutions Per Minute
Rated Flow Rate:
32.3 M³/H
Trademark:
Grundfos
Transport Package:
Standard Export Plywood Case or Carton
Specification:
625 kg
Product Description
NKG 300 - 250 - 350/306 AY1F2AESBQQEXW5
Serial Number 98495346
 
Applicable for
1.Commercial heating
2.Commercial air - conditioning
3.Commercial water pressure boosting
4.District heating
5.Heating
6.Desalination
7.Surface water intake
8.Municipal water transmission and distribution
9.Irrigation

The bare - shaft pump complies with ISO 2858
 

NKG 300 - 250 - 350/306 AY1F2AESBQQEXW5

The non - self - priming single - stage volute centrifugal pump is designed in accordance with the ISO 5199 standard, and its dimensions and rated performance comply with the ISO 2858 standard. The flanges are of PN 16 type, and their dimensions conform to the EN 1092 - 2 standard. The pump has an axial suction port, a radial discharge port, and a horizontal shaft. It adopts a back - pull - out design, enabling maintenance personnel to disassemble the coupling, bearing bracket, and impeller without loosening the motor, pump casing, and pipes.
 
 
 
 
 

Controller                       

Frequency converter: None
Pressure sensor: N

Liquid                       

Liquid being transported: Water
Liquid temperature range: - 25.. 120 °C
Liquid temperature during operation: 20 °C
Density: 998.2 kg/m³

Technology                       

Pump speed based on which pump data is obtained: 970 revolutions per minute
Rated flow rate: 518 m³/h
Pump with motor: N
Rated head: 8.6 meters
Actual impeller diameter: 306 mm
Nominal impeller diameter: 350 mm
Type of impeller: Standard
Main shaft seal: BQQE
Shaft seal code: BQQE
Mechanical seal type: Single
Curve tolerance: ISO9906:2012 3B
Bearing design: Standard
n_min: 500 revolutions per minute
n: 3700 revolutions per minute

Materials                               

Pump casing: Cast iron
Impeller:
Cast iron
EN - GJL - 200
ASTM class 30
Internal pump house coating: CED
Shaft:
Stainless steel
EN 1.4301
AISI 304
 
Installation                             

Maximum operating pressure: 16 bar
Pipe connection standard: EN 1092 - 2
Type of inlet connection: DIN
Type of outlet connection: DIN
Inlet size: DN 300
Outlet size: DN 250
Pressure rating for pipe connection: PN 16
Grouting (Yes/No): N
 
Others                                 

Minimum efficiency index, MEI ≥: 0.70
Net weight: 548 kg
Gross weight: 625 kg
Transport volume: 1.51 m³

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