Profile: Westfall Mfg. Co. specializes in custom-engineering components used in pipeline systems for water treatment, wastewater treatment, petrochemical, pharmaceutical, chemical, food and beverage industries. We specialize in custom-developed static mixers. Our mixer consists of a length of pipe fitted with four vanes. The tapered & curved vanes create vortices and multiple zones of turbulence that intersect to turn flow inside out. We offer volumetric feeders, special valves & electric controls for water treatment systems, skid mounted D.E. water treatment systems, venturi flow meters & vacuum D.E. filters.