Chopper Pumps - Alligator

Wastewater disposal with small pipe cross-sections, high heads at medium flow rates. The Alligator models shred entrained solids in fractions of a second.

Single-stage submersible pumps in close-coupled design for permanent or transportable usage.

Motor housing, Pump housing, Suction cover (Grey cast iron EN-GJL-250), Impeller and Wear Plate (Hard cast iron EN-GJN-HB555 (XCr23)), Motor shaft (Stainless steel), Mechanical seal (SiC), Cooling jacket (Version U/ET) (Stainless steel), Elastomere (NBR)

Waste water or sewage containing solids. Max. liquid temperature: 40°C, short term up to 60°C.

Three phase electric motor with 2-pole winding. Insulation class H (180 C), Protection IP 68.

Large diameter stainless steel rotor shaft, pre-lubricated bearings.

In addition to the standard version, selected motors are also available explosion proof according to ATEX EX II 2 G Ex c d II B T4,(T3).

Two independently working silicon-carbide mechanical seals in tandem-arrangement. Oil-filled seal chamber with possibility of control by the inspection screw.

EffTec versions with patented PermaCool system: The newly developed PermaCool system is trend-setting. This permanent motor cooling system now allows either wet or dry installation. At the same time, the new, patented design ensures that the cooling jacket cannot become clogged with solids.