3.2
Type F 620 S-157/210
1
2
3
4
6
5
7
8
9
Fig. 2
Cross-section of F 620 S-157/210 (sample view)
Description:
Vertical centrifugal pump for wet installation
The pump is driven by a three-phase motor via a flexible coupling.
The drive shaft is mounted in the inner tube and sealed by a mechanical seal against the
liquid. The closed impeller conveys the liquid through an external pipe tube to the pump
outlet.
Field of applications:
Transferring of non-flammable liquids up to a viscosity of 150 mPas.
Characteristics:
Not safe to run dry, no pump for continuous use; motor changeable,
permanently lubricated shaft bearing; mechanical seal in the liquid area
Type designation
Delivery rate in m³/h
Delivery head in mWc
Viscosity in mPas
Operation temperature in °C
Storage temperature in °C
34 / 80
F 620 S-157/3
13
32
150
0 to 100
> -10
Operating instructions centrifugal immersion pumps
1
Flexible coupling
2
Drive shaft stainless steel 316 Ti
3
Inner tube stainless steel 316 Ti
4
Outer tube stainless steel 316 Ti
5
Mechanical seal
6
Shaft in stainless steel 316 Ti
7
Closed impeller stainless steel
8
Cap nut
9
Spiral housing
F 620 S-157/5
24
33
150
0 to 100
> -10