The Grundfos NBE 40-125/139 S2-AS-F2-A-BQQE (part number 99534477) is a high-efficiency, speed-regulated, single-stage, in-line centrifugal circulator pump. Designed for various industrial and HVAC applications, this genuine Grundfos pump features a 4 kW IE3 motor operating on 3x380-500V at 50/60 Hz. It delivers a rated flow of 16.6 m³/h and a max head of 13.9 m. The pump is constructed with a robust cast iron housing and impeller, equipped with a durable BQQE SiC/SiC/EPDM mechanical shaft seal. It handles liquid temperatures from -25°C to +120°C and has DN 40 PN 16 flanged connections.
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.
