Multistage centrifugal pumps
Type series 21
Type series 21 pumps are single-stage, normal-priming spiral casing pumps in to short-type design.
Materials
The standard materials for pump casing and impeller are cast iron or bronze. But materials can be customized according to individual demands.
Pumping media
Depending on material selection: clean and slightly soiled liquids, cold and hot water, oils, weak leaches and acids.
Drive
Low noise IEC- standard three phase motor according to efficiency class IE2 or IE3. Other executions and typs of engines on special request possible.
Technical details
Operating Data
| Flow rate | Q | up to 42 m³/h |
| Delivery height | H | up to 29 m |
| Medium temperature | t | 0 °C up to +80 °C |
| Operating pressure | p | up to 5 bar |
Other operating conditions possible on request!