Donaldson Helps Provide Longer Life Filtering Flour | Donaldson Industrial Dust, Fume & Mis A large durum mill and producer of dry pasta products in the mid-west was dissatisfied with the short filter life it was seeing in its non-Donaldson Torit dust collectors – one of which was Italian-made. With an annual production output of 500+ million pounds, this miller could not afford the downtime associated with the month to month bagfilter change outs. This customer was seeking not only longer filter life in all of its dust collectors but a reduced air-to-cloth ratio as well so its dust collectors could run at a lower operating pressure drop for energy savings. A Donaldson Torit rep recommended this miller utilize bottom-loading, 80” pleated bag filters made of Spunbond media with a Polypropyl

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