The free-flow immersion pumps type FZ are equipped with a recessed impeller that makes this model ideal for pumping media with high solids loading or abrasive media such as lubricants and waste water. These pumps are particularly suitable for the use in systems in which centrifugal pumps with closed or semi-open impellers would not be acceptable.

• Robust design
• High reliability
• Individually configurable
• Recessed impeller for media with high solids loading
• Variable immersion depths (250, 320, 450, 550, 750 or 1,000 mm)
• Characteristic field extendable with the use of a variable speed drive
• Free ball passage up to 50 mm
• Also available with 4-pole motor

• Free-flow immersion pump in block design or with ­bearing carrier for standard motors
• For media with high solids loading or abrasive media up to 6 percent by weight
• Flow rate up to 138 m³/h
• Delivery head up to 60 m
• Material: cast iron / stainless steel (316L)
• Various throttling bushings
• Motors: up to 3 kW 230/400 V 50 Hz, from 4 kW 400/690 V 50 Hz, 460 V 60 Hz, other voltages on request

• Return pump for machine tools
• Filtration technology
• Surface technology
• Process engineering
• Environmental technology