Dilute phase conveying Dense phase conveying Pellet pneumatic transport Big bag emptying BIG-BAG Emptying model SVBF The Big- Bag emptying machine model SVBF allows easy and quick emptying of the content of big-bags, with no leak in the air of the material contained therein. Operators are protected from accidental fall of big-bags during the emptying operatio.. Big bag emptying with hoist Svuota big bag con paranco Big-bag emptying systems are classified according to management system of the big bag .