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The Tiermax standard includes materials of construction, welding procedures, surface finish, seal materials, and cleaning access. In many applications, the filtration, drying, and cooling of the conveying air must also comply with recognised standards. Typical applications in the food industry include road tanker offloading, gentle transport of fragile products to storage vessels, process operations, and packing.
Typical ingredients include: spices, starches, bakery ingredients, flour, corn meal, sugar, salt, coffee beans, coffee powder, rice, tea, soy beans, nuts, milk powders, whey powders, potato powder, cheese powders, infant formula, baby food, casein, pet food, snacks, popcorn, bread crumbs.
Most food ingredients are of organic origin and therefore flammable, as they can form explosive dust. Volkmann Vacuum Conveyors are ATEX certified. Even substances with low minimum ignition energy, such as maltodextrin or corn flour, are transported reliably, efficiently, and safely.
Dosing accuracy has become an important topic because of the need to comply with today’s high quality standards in feed production. Dosing influences the homogeneity of the mix which in turn determines quality parameters of the feed. The degree of homogeneity that can be achieved with liquid and solid additives depends partly on the absolute amount dosed.
Tiermax high accurate feeders are specially designed for pet food and fish food ingredients to dose the raw materials (loss in weight, volumetric) or liquids (loss in weight).