Powder-handling receivers from VAC-U-MAX, Belleville, N.J., operate under dilute-phase vacuum conveying, continuously processing powders and dusty additives for periodic hopper refill of loss-in-weight feeders in compounding and extrusion processes. Utilizing vacuum, powders and other bulk materials are conveyed via a VAC-U-MAX vacuum receiver, filling it to a pre-defined level, and holding the material charge until the loss-in-weight feeder requests refill. The firm's receivers can be used as refill devices with sources of refill from drums, bags, bulk bags, intermediate bulk containers (IBCs), flexible intermediate bulk containers (FIBCs), or supersacks
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