FLEXICON®
Bulk Bag Discharge Frame Installation and Operation Manual
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FLEXICON CORPORATION
2400 Emrick Boulevard Bethlehem, PA 18020-8006 USA
Tel: 1-888-FLEXICON Tel: 1-610-814-2400 Fax: 1-610-814-0600 www.flexicon.com
5.2.4 Raise the bag lift frame and bulk bag via the hoist then position the hoist and trolley in the
center of the frame. Take care to lift the bag and frame smoothly, without “jerking” the bag
into the air.
5.2.5 The height is set properly when the bottom of the full bulk bag is 1 to 2 inches above the
center of the safety frame, with or without Flow Flexers
®
. It may be necessary to position
the bag above or below the preferred 1 to 2 inch distance based on your hopper/bag
downspout configuration. Do not rest bulk bag on the safety frame cross brace.
6.
INTERFACING THE BULK BAG DOWNSPOUT WITH
THE SPECIAL COVER AND IRIS VALVE
Many bulk bag frames feature an iris valve to cinch and release the bulk bag downspout
controlling the flow of material from the bag. A number of additional options are also
available in the area of the bulk bag downspout. These options are not depicted in this
manual. Please refer to the installation and operation manual furnished with the specific
equipment being installed.
The typical outlet spout of a bulk bag has a protective cover, which is released by
loosening a drawstring. The outlet spout is then pulled downward through the open iris
valve.
The open, hinged door on the special cover provides access to pull the outlet spout taut,
while using the iris valve handle to cinch the spout closed. When this is done the operator
can close the door and release the draw string of the bag spout with no danger of an
uncontrolled burst of material from the bag.
By opening the iris valve slowly the operator can control the flow of material gradually and
incrementally. Opening the valve slowly also eliminates dusting caused by uncontrolled
material surges displacing air from the hopper too rapidly.
During normal operation the door should remain closed, when the iris valve is opened to
permit flow of material out of the bag.
7.
FLOW FLEXER
®
BULK BAG AGITATION DEVICE
Semi or non free flowing materials are handled by using Flow Flexer
®
Bulk Bag Agitation
Device plates to manipulate the bulk bag.
Flow Flexer
®
Bulk Bag Agitation Device plates perform two critical functions:
1 . They dislodge bulk materials that have compacted during shipment and
storage.
2.
They raise the bottom of the bag into a steep "V" shape insuring complete
discharge.
