1)With high efficiency and saving over 20% electric energy than tranditional models;
2)The arcuate-bevel gear is made of chromium-manganese-titanium with carbon-nitride surface treatment.This ensures long usage life spans and high rigidity;

3) A mechanical seal is available to prevent oil leakage;

4) Inside protectors are available to avoid the motor being accidentally burnt out;

5) PE floats, nylon impellers, and stainless steel shafts and frames are available;

6) With oxygen transfer rates of 1.9kg (O2)/h, 36.3% higher than the standard, power efficiency is 1.25kg (O2)/kWh, 36.8% higher than the standard.