" One-to-Two or One-to-Four " Separate hopper loaders are designed and developed on the basis of original Euro separate - vacuum hopper Loaders. They feature more functions, easy to operate, and convenient to install. This model, equipped with a high pressure blower and four SHR - U - S type Euro central vacuum hoppers, is applicable to four dehumidifying and drying machines ( dehumidifying dryer " SDD " ) or one gravimetric blender " SGB " to process plastic materials. Besides that, it can also realize the " One-to-Two or One-to- Four " way of conveying materials to different moulding machines or hoppers to greatly lower the cost.