Grundfos - W7GT78 - Netherlands NK Standard Base Pump

SKU: grundfos-w7gt78

Grundfos - W7GT78 - Netherlands NK Standard Base Pump

€6,950.30

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(Excl. VAT)

€6,950.30

The Grundfos NK 50-125/144 A2F2AE-SBQQE is a genuine standard base pump, identified by product number 98973598 and configuration W7GT78. Designed for robust industrial and commercial applications, this pump features a durable cast iron housing (EN-GJL-250) and impeller (EN-GJL-200), complemented by a stainless steel shaft (EN 1.4057). It operates efficiently at 2900 rpm, delivering a rated flow of 18 m³/h and a rated head of 15.9 m. The pump is equipped with a high-quality SBQQE primary shaft seal (Silicon Carbide/Silicon Carbide/EPDM) and is suitable for a wide liquid temperature range from -25 to 120 °C, with a maximum operating pressure of 16 bar. It features a DN 65 pipe connection with a PN 16 pressure rating and is powered by an IE3 efficiency 2.2 kW motor.
Grundfos
Grundfos is a Danish company, founded in 1945 by Poul Due Jensen in Bjerringbro, Denmark. The company has grown to become one of the world's leading pump manufacturers, with a global presence and a strong focus on innovation and sustainability. While primarily known for its industrial and domestic pumping solutions, its components are integral to various machinery. Grundfos specializes in advanced pump solutions for a wide range of applications, including water supply, wastewater, heating, ventilation, and air conditioning. Its product portfolio includes circulator pumps, submersible pumps, and dosing pumps, often incorporating intelligent controls and energy-efficient designs. These technologies are crucial for reliable fluid management in many systems. At Partao, the Grundfos catalog includes essential components such as Battery Terminals & Cables, Control Modules, Diagnostic Tools, Expansion Tanks, and Hydraulic Pumps. These parts support the maintenance and repair of systems utilizing Grundfos technology in agricultural and industrial settings. Over 22,183 genuine Grundfos spare parts are available at Partao. Customers frequently select Grundfos components for their proven reliability and efficiency in demanding environments. The brand's commitment to quality ensures that its pumps and related parts deliver consistent performance, reducing downtime and operational costs across various applications, from irrigation systems to industrial fluid transfer.

Part Numbers
98973598; 5712604508770; W7GT78; 0DT4244; A0111448; 7481651
Series
NK
Weight kg
52
Motor type
90LB
Rated head m
15.9
Product number
98973598
Pump speed rpm
2900
Rated power kw
2.2
Shaft material
Stainless steel (EN 1.4057)
Flange standard
EN 1092-2
Gross weight kg
57
Pipe connection
DN 65
Rated current a
4.35
Rated speed rpm
2900-2920
Rated voltage v
3 x 380-415
Efficiency class
IE3
Impeller material
Cast iron (EN-GJL-200)
Shipping volume L
203
Mains frequency hz
50
Primary shaft seal
SBQQE (Silicon Carbide/Silicon Carbide/EPDM)
Impeller diameter mm
144
Power factor cos phi
0.86-0.81
Pump housing material
Cast iron (EN-GJL-250)
Rated flow m3 per hour
18
Insulation class iec 85
F
Length between ports mm
280
Enclosure class iec 34 5
IP55
Liquid temperature range c
-25 to 120
Max operating pressure bar
16
Starting current percentage
680-740
Product configuration number
W7GT78
Pressure rating for connection
PN 16
Motor efficiency at 1 2 load percentage
85.9
Motor efficiency at 3 4 load percentage
86.6
Motor efficiency at full load percentage
85.5
Manufacturer
grundfos

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