WesTech Engineering LLC

WesTech Engineering, now affiliated with Swire Water, is a major manufacturer of water and wastewater treatment equipment offering one of the industry's most extensive proprietary product portfolios spanning clarification, thickening, filtration, membrane technology, biological treatment, and package treatment systems. The clarification line includes the Adsorption Clarifier, CONTRAFAST high-rate thickening clarifier, CONTRAFLO solids contact clarifier, COP spiral blade and suction header clarifiers, and SuperSettler inclined plate clarifier, plus dissolved air flotation units including the R5 DAF and mobile ballasted flocculation systems. Thickening and dewatering products cover AltaFlo, HiFlo, Deep Bed, HiDensity, and Titan thickeners, the TOP thickener optimization package, filter presses, and horizontal belt filters. Filtration technologies range from CenTROL gravity filters and MULTICELL horizontal pressure filters to continuous backwash SuperSand filters, SuperDisc disc filters, SuperDrum drum filters, and vacuum filtration systems, supported by LAZERFLO and MULTIBLOCK underdrains. Membrane systems include the AltaPac ultrafiltration package, electrodeionization, reverse osmosis, and VersaFilter open-platform technology. Biological treatment covers the Ana-Flo anaerobic reactor, BioTreater, STM-Aerotor BNR package plants, OxyStream oxidation ditch, and BioDoc and HydroDoc trickling filter distributors. Package water treatment plants include Aquarius, Trident (HS, HSC, HSR variants), Tri-Mite, Multi-Tech, RapiSand Plus, and Water Boy. Sludge handling features the DuoSphere gas holder, ExtremeDuty mixer, Sludge Sucker, and ZICKERT Shark removal system. WesTech provides full design-build-own-operate plant services and serves municipal water, municipal wastewater, mining, power, chemical, and AI data center markets.