Unlike slide gates that push bags off to one side and heavier more expensive knife gates butterfly valves or cruder rope closures the pneumatic device provides a far simpler safe and dustfree means to seal bags

Unlike slide gates that push bags off to one side and heavier, more expensive knife gates, butterfly valves or cruder rope closures, the pneumatic device provides a far simpler, safe and dust-free means to seal bags.

Bulk Bag Closing Device

Stops flow from partially discharged bags for dust, emission containment Lightweight, pneumatically-operated Dual blades, not knife gates Effective for calcite, alumina, or bentonite

VIBRA SCREW INC., a manufacturer of equipment and systems for precision processing of dry bulk materials, is offering a new bulk bag closing device designed to quickly, safely stop flow from partially discharged bulk bags.

The lightweight, pneumatically-operated device uses dual blades rather than pinching devices to seal the bag opening at the center more effectively, so the operator can tie it off for removal. Unlike slide gates that push bags off to one side and heavier, more expensive knife gates, butterfly valves or cruder rope closures, the pneumatic device provides a far simpler, safe and dust-free means to seal bags.

The sealing device’s quick sealing capability is particularly effective where fluidized dry materials such as calcite, alumina or bentonite are handled, or materials that do not normally have fluid characteristics become fluid after aeration or during discharge from storage.

The device is also highly effective in preventing plant humidity from reaching hygroscopic materials during discharge, during the closing procedure or during idle time in the process cycle.

Vibra Screw introduced the concept of controlled vibration to condition and drive bulk materials into and through a process more than 40 years ago. Today it manufactures a broad line of equipment incorporating this feature, including bin activators, bulk bag unloaders, volumetric screw and belt feeders, and all types of graimetric feeds, blenders, and controls.

Visit www.vibrascrew.com

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