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Big Bag Unloaders & Dispensers

Big Bag Unloaders and Bulk Bag Dispensers
Choose from single, dual, and portable big unloaders and dispensers. Complete unloading systems and stations are available.

Save time, money, and space. Dust-free unloading and dispensing with unlimited configurations.

Big bag unloaders, also referred to as bulk bag dispensers or dischargers, are used to transfer bulk material from 2,000 - 4,000 pound big bags to downstream equipment such as valve bagging machines, open mouth baggers, mixers, or IBC blending bins. These systems can also condition or agitate the big bags, that can contain a wide range of wet and dry products, such as free flowing powders, pellets, granules and more.

Features

All big bag unloaders and frames can be customized to meet your requirements.

  • Bag transport frame designed for lifting using a fork truck, crane, or hoist
  • 2 ton capacity self-contained hoist with pendant operator control and manual trolley lift speed is 16 feet per minute. Powered trolley with 60 feet per minute lift speed is optional and hazardous duty-rated are available.
  • Bag untie hopper with hinged access door and dust control port.  Sanitary food design is available with special spout clamping feature for internal bag liners.
  • Dust-tight neoprene facial seal with 17 inch diameter discharge outlet.  White neoprene is available for FDA-approved requirements.
  • Bag pincher option includes 2 UHMW elliptical pincher bars to close off bag spout for removal or partially unloaded big bags.
  • Optional liner tensioner mechanism mounted on top of bag transport frame to prevent liner from extruding downward into downstream equipment during unloading.
  • Optional bag extension feature is mounted on upper part of bag transport frame using gas-filled cylinders to raise the frame as the big bag is unloaded, elongating the bag nose for more efficient unloading.

Available Models

2,500 Pound Capacity Big Bag Unloader

2,500 Pound Capacity Big Bag Unloader

Unload very large capacity big bags and transfer material to downstream equipment using this unloader that includes heavy duty 4 inch tubular construction. The bag lifting frame can be used by an overhead hoist or fork truck and includes spring loaded bag strap retainers. The bag untie hopper provides dust-free access to safely untie a bulk bag through an access door. Dust is sent through a 3 inch outlet for collection. Stationary paddles support the bag during unloading.

  • Untie hopper with dust exhaust port
  • Fork truck or hoist loading capabilities
  • Bag lifting frame
  • Stationary bag paddles
  • 2,500 pound capacity
  • Manual air controls
  • Automatic controls
  • Bag agitation paddles
  • Transition or surge hopper
  • Metering feeders and material transfer
  • Partial bag unloading
  • Load cells with controls

Images

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2,500 Pound Capacity Big Bag Unloader

4,000 Pound Capacity Big Bag Unloader

Unload large capacity big bags with different heights using this economical big bag unloading system. The bag lifting frame can be used by an overhead hoist or fork truck and includes spring loaded bag strap retainers. The bag untie hopper provides dust-free access to safely untie a big bag through an access door. Dust is sent through a 3 inch outlet for collection. Stationary paddles support the bag during unloading.

  • Untie hopper with dust exhaust port
  • Fork truck or hoist loading capabilities
  • Bag lifting frame
  • Stationary bag paddles
  • 4,000 pound capacity
  • Manual air controls
  • Automatic controls
  • Bag agitation paddles
  • Transition or surge hopper
  • Material transfer and metering feeders
  • Partial bag unloading
  • Load cells with controls

Photos

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Big Bag Unloading Systems and Stations
big bag dispensing system to batching system
big bag unloader station with hopper and platform

Big Bag Unloading Systems and Stations

These big bag unloading systems have 4,000 pound capacity frames with tubular construction. They can include 1800 RPM vibrating motors with isolation mounts that agitate hard to move material inside the big bags. The unloading frame included in the stations also have fork truck and hoist loading capabilities.

  • Untie hopper with dust exhaust port
  • Fork truck or hoist loading capabilities
  • Bag lifting frame
  • Stationary bag paddles
  • 4,000 pound capacity
  • Operator platform
  • Bulk bag spout spikes
  • Manual air controls
  • Automatic controls
  • Bag agitation paddles
  • Transition or surge hopper
  • Material transfer and metering feeders
  • Partial bag unloading
  • Load cells with controls

Photos

Click on a thumbnail below to view a larger image.

portable bulk bag unloader

Portable Bulk Bag Unloader

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bulk bag unloading with dust collection

Bulk Bag Unloader to Valve Bagging Machine System

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Bulk Bag Unloading System with Screw Conveyor

Unloading Big Bags of Calcium Carbonate using Custom Designed Material Transfer System

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