
Grundfos NKG 4-Pole : CI/SS Bare-Shaft Long-Coupled End-Suction Pumps Standard Bearings (Iso 2858)
Product Description
Non-self-priming, single-stage, centrifugal pump designed according to ISO 5199 with dimensions and rated performance according to ISO 2858. Flanges are PN 16 with dimensions according to AS2129 table E. The pump has an axial suction port, a radial discharge port and horizontal shaft. It is of the back pull-out design enabling removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework. The pump has heavy-duty, grease-lubricated bearings. The unbalanced rubber bellows seal is according to DIN EN 12756.
Controls: | ||
Frequency converter: | None | |
Pressure sensor: | N | |
Liquid: | ||
Pumped liquid: | Water | |
Liquid temperature range: | -25 .. 120 °C | |
Selected liquid temperature: | 20 °C | |
Density: | 998.2 kg/m³ | |
Technical: | ||
Pump speed on which pump data are based: | 2900 rpm | |
Rated flow: | 33 m³/h | |
Pump with motor (Yes/No): | N | |
Rated head: | 34.6 m | |
Actual impeller diameter: | 177 mm | |
Nominal impeller diameter: | 160 | |
Type of impeller: | Standard | |
Primary shaft seal: | BQQE | |
Code for shaft seal: | BQQE | |
Mechanical seal type: | Single | |
Curve tolerance: | ISO9906:2012 3B2 | |
Bearing design: | Heavy duty | |
Min. pump speed: | 500 rpm | |
Max. pump speed: | 3700 rpm | |
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 operating pressure: | 16 bar | |
Pipe connection standard: | AS2129 table E | |
Type of inlet connection: | Table E | |
Type of outlet connection: | Table E | |
Size of inlet connection: | DN 50 | |
Size of outlet connection: | DN 32 | |
Pressure rating for connection: | PN 16 | |
Bearing lubrication: | Grease | |
Grouting (Yes/No): | N | |
Others: | ||
Minimum efficiency index, MEI ?: | 0.52 | |
Net weight: | 40.4 kg | |
Gross weight: | 51.2 kg | |
Shipping volume: | 0.159 m³ | |
Country of origin: | CN | |
Custom tariff no.: | 8413709062 | |
Language on pump nameplate: | GB | |