Audited Supplier
NKG 300-250-350/306
256 M
1200 M³/H
Motor
Single-Stage Pump
25bar
Non - Self - Priming
Horizontal Pump
Verticaljoint Surface Pump
Non - Self - Priming Single - Stage Volute Centrif
Closed
Commercial Buildings
6
306mm
1450 Revolutions Per Minute
32.3 M³/H
Grundfos
Standard Export Plywood Case or Carton
625 kg
Product Description
NKG 300 - 250 - 350/306 AY1F2AESBQQEXW5
Serial Number 98495346
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
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: NonePressure sensor: N
Liquid
Liquid being transported: WaterLiquid 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 minuteRated 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 ironImpeller:
Cast iron
EN - GJL - 200
ASTM class 30
Internal pump house coating: CED
Shaft:
Stainless steel
EN 1.4301
AISI 304
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
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
Minimum efficiency index, MEI ≥: 0.70
Net weight: 548 kg
Gross weight: 625 kg
Transport volume: 1.51 m³
