Brabender Technologie - Gravimetric and volumetric metering feeders, weigh-batching systems, discharge aids and flow meters for bulk solids

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The Brabender FlexWall®Pharma Feeder

Loss-in-weight feeder or volumetric feeder for the pharmaceutical industry

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FlexWall®Pharma Feeder

The Technology

  • Flexible hopper made of FDA approved PUR

  • External massage paddles (no stirrer)

  • Ingredient-touched steel parts and housing
    made of stainless steel 1.4404 (AISI 316 L)

  • Quick mounting and dismantling for
    cleaning by quick clamping rings

  • Feed unit removable as one unit 
    for external dismantling and cleaning

  • Sealing system according to the principle
    of aseptic pipeline connections

  • Internal and external wet cleaning

  • Single and twin screw version

  • Volumetric or gravimetric

Options

  • Protective gas connection for dynamic sealing

  • Explosion proofing as per ATEX 95

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International data sheet download (PDF). For North America see >>> North America
Feeders Max. theoretical feed rate (dm³/hr)*
Single screw feeders  Screw types
Volumetric
(without scales)		 Loss-in-weight feeders
(with scales)		 Spiral
screw		 --- ---
60 --- ---
245 --- ---
Twin screw feeders Screw types

Volumetric
(without scales)

 Loss-in-weight feeders
(with scales)		 Twin concave
screws		 Twin spiral
screws		 Double
spiral screws
5 --- ---
45 30 110

* Theoretical values referring to a screw filling level and a motor speed of 100% each. Depending on the flow characteristics the screw filling level may decrease down to 50%, particularly if poorly flowing ingredients are fed. In gravimetric applications, i. e. as part of a loss-in-weight feeder, further feed rate reductions have to be taken into account because part of the upper motor speed range is required to balance bulk density variations.

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