Bulk Bag Discharger - ML Series
The Monorail Loading (ML) Series Bulk Bag Discharger is designed as an independent system for raising bulk bags for loading and discharging materials.


  • Square tube support frame with monorail. The frame is provided with bolt together sections designed to reduce handling and shipping costs.
  • Monorail mounted chain hoist with motorized trolley provided to lift the bulk bag and move it into position to be discharged. The chain hoist with motorized trolley is provide with TENV motor, NEMA 4X control pendant and NEMA 1 motor control enclosure.
  • Low profile bag lifting adaptor with liner retainer is provided for simple and secure bag loop attachment.
  • Two bag massage paddles provide support for the bag and promote material flow out of the bag. Pneumatic cylinders push the massage paddles upward and inward on the bag providing agitation to promote material flow.
  • Integral dust control provided by a vent filter and fan. Dust collected is reintroduced into the bag untie hopper.
  • 24” x 24” square bag untie hopper is provided with an iris valve inlet to limit dusting when the bag spout is opened. The 24” X 12” hopper door is provided with a safety switch intended to disengage the vent filter pulsing and fan, as well as disengage any equipment attached to the hopper discharge that might present a safety hazard.
  • Bulk bag unloader local control assembly (NEMA 4) is provided for local control of the massage paddles. An adjustable cycle timer, pressure regulator, solenoid valve and off/on switch are used to operate the massage paddles in a manual control mode. This assembly also has an additional off/on switch for the activation of the vent filter pulse timer and the vent filter fan. A buyer-provided motor starter is required for the vent filter fan. This assembly can be configured for automated control from a buyer-provided control system.


  • Carbon Steel or stainless steel product contact surfaces.
  • Carbon Steel or stainless steel support frame.
  • Two side bag massage paddles to provide agitation to the middle of the bag sides.
  • Remote dust collection stub in place of integral dust collection.
  • 30” x 30” hopper with 30” x 18” door and fold-up bag rest shelf for intermittent dumping of 50 pound bags.
  • Bag support pan in place of massage paddles for free-flowing products.
  • Load cells for loss-in-weight applications.

Bulk Bag Discharger - ML Series

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