This is a compact, submersible agitator for biogas reactors and aerobic/anaerobic tanks at WWTP with the high solids content as much as upto 10%. The gear is 1:4.5 or 1:5 . It features a self-cleaning, rust-free propeller and a sealing system.

APPLICATIONS
biogas reactors and aerobic/anaerobic tanks at WWTP

PROPELLER SPEED 300 RPM
Motor speed 1435 RPM

Motor type 3-phase AC motor
Nominal voltage 400 V
Minimum voltage allowed 360 V
Nominal frequency 50 Hz
Applicable for VFD operation Yes
Ingress protection rating IP 68
Insulation class F
ATEX classification II 2 G Ex db h IIB T4 Gb

MATERIALS
Motor housing and oil chamber Cast iron EN-GJL-250
Propeller Steel W1.0038/S235JR Domex 700 (optional)
Stainless steel W1.4301/AISI304 (optional)
W1.4404/AISI316 (optional)
Gear Cast iron EN-GJL-250
Output shaft gear Shaft steel W1.6511/9840 (no contact with the liquid)
Bolts A4
Exterior sealing system: 1 oil sealing ring made of nitrile
Wear bush made of stainless steel W1.4301/AISI304 (ceramic coating optional)
Mechanical shaft seal: silicon carbide/silicon carbide
Interior sealing system Mechanical shaft seal: silicon carbide/silicon carbide

Oil type
Liquid temperature 0–30 °C SP 100
Liquid temperature 30–60 °C GS 220 GS
220 (with moisture detection)

Grease type High temperature grease