Scaletron’s Model VMF-28 Series Volumetric Screw Feeders offer many advantages that our competitors cannot match! The Model VMF-28 Series feeders are rugged, automatic metering screw feeders that are specifically designed for dispensing dry powdered or pelletized materials into a secondary process and feature accurate feed rates of up to 50 cubic feet per hour, gravimetric feeding and programmable control options, a range of loading configurations, plus corrosion resistant stainless steel and epoxy coated steel construction – all backed by a two-year warranty.