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Main pump

 

Bearing Wholesalers complete pumping systems and solutions for buildings, industry and every aspect of water use. Select your market area below and find out more about how Grundfos meets requirements for energy efficiency and resource management for your application.

In heating and air conditioning systems, water must be distributed from the supply system to the point of consumption. This is done by means of main pumps.

Larger systems can be divided into several pipe circuits with each their local pump. The main pump is the pump that distributes the total amount of water from the supply source.

Due to variations in heat demand and flow in large systems, it is recommended to use speed controlled pumps in parallel as main pumps. By using speed controlled pumps it is also possible to obtain maximum energy savings.

A maximum of three pumps plus one standby pump is recommended.

Single row bearing
6209-2Z/C3 Single Row, Deep Grove, Ball Bearing 45x75x16 (mm)
NA99600 Timken Cone for Tapered Roller Bearings Single Row - FREE SHP
NJ2207 Budget Single Row Cylindrical Roller Bearing 35x72x23mm
Double row bearing
Bearing Kit Center Main wRace Mercury 70-125 hp L3 L4 Double row, Needles & Race
Dura Blue Axle Housing - YAH450 Double Row Ball Bearing 56-2381 0214-0142 YAH450
NEW OTHER, IBC 3208Z (5208) DOUBLE ROW BALL BEARING, SHIELD ONE SIDE.
Multi-row bearing
Radlagersatz Hinterachse beidseitig OPEL - Febi Bilstein 01971
Radlagersatz AUDI SKODA VW SEAT - Ruville 5722
Radlagersatz Vorderachse beidseitig OPEL DAEWOO - Febi Bilstein 03189
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