Page 2920 - Flipbook_SolidDesignSoutheast2020

Bag Spout Interfaces
The operator interface with the
discharge spout varies depending
on the bag style and material
characteristics. The design objective
for every application is a user
friendly access to untie or re-tie the
spout while providing dust free and
complete material discharge.

Untie Box Bag Spout Interface: The untie box provides an enclosed
area for the operator to access the tie strings on the discharge spout of
the bulk bag. A large hinged door on the face of the untie box allows the
operators to easily access the bag spout. The top of the untie box is flanged for
connection to a flow control valve while the bottom is flanged for connection
to existing process equipment or material conveying systems.

A 16” wide x 9” high hinged The top flange on the untie Inflatable bladder seals
access door provides ample box is designed for mounting can be added internally
room for the operator to iris vales, inflatable bladder or externally to the Untie Box
access and untie the bag seals and other spout interface untie box as an added
spout. devices. dust and contamination
preventative. Access door
closed & safety
switch engaged

Access door
opened &
safety switch
disengaged

The base of the unite A keyed safety switch disables A unique toggle action
box is flanged for all moving components below handle allows the
connection to conveying the untie box for operator operator to shut the Operator
and process interface safety while accessing the access door with one
components discharge spout. hand while providing a safely accesses
compression force on the bag’s
the door seal to prevent discharge
dust leaking from the spout to untie
door and untie box and/or re-tie
interface the spout

www.nbe-inc.com • sales@nbe-inc.com • ph. 616.399.2220 • fx. 616.399.7365
05/05