Incorporating baffle and bin vent to attach to central dust collector, or optional bin vent filter over dump area, Bag Dump Hopper provides dust-free way of dumping and filling process system with material received in paper bags. All metal contact parts are available in carbon steel or 304/316 stainless steel. Lift assist hinged door keeps foreign materials from falling into process material when not in use, while expanded metal grid prevents bag pieces from getting into process and hopper.