Kunal enviro engineers introduces central drive clarifiers and thickeners, of 3 mtrs to 50 mtrs to 50 mtrs diameter, fitted with a sturdy drive arrangement having roller bearings. Twin (double) scraper arm sweeps the floor twice in one revolution and are designed to cover the entire floor area. This accuret complete and sapel sludge removal. Its unique features include: additional scraper blades catered in the central sludge hopper so as to block any provable sludge deposition there; plam & easy to maintain; and inlet (feed) well designed to effectively water without creating undue turbulence in the settling tank.