KSB Filtra 22 D [13/36] Design details

4 Description of the Pump (Set)

13 of 36

Filtra N

4.4 Design details

Design

▪ Centrifugal pump

▪ Single-stage

▪ Self-priming

▪ Horizontal installation

▪ Integrated pre-filter consisting of a filter basket with intermediate pipe; the filter

can be hinged open in the middle to facilitate cleaning.

Drive

▪ Surface-cooled

▪ Enclosure IP44

▪ Thermal class F

Single-phase AC motor:

▪ 230V

▪ Temperature switch with automatic reset and start-up

Three-phase motor:

▪ 230/400V

Shaft seal

▪ Mechanical seal

Bearings

▪ Motor runs in grease-lubricated rolling element bearings

4.5 Configuration and function

Fig.2: Sectional drawing

1 Discharge nozzle 2 Suction nozzle

3 Shaft 4 Shaft seal

5 Impeller

Design The pump is designed with a horizontal fluid inlet and a vertical outlet. The hydraulic

system runs in common bearings and is connected to the motor via a shaft.