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  Rotary
Spout
Series 128 Model 247
Divert dusty,
granular or abrasive material up to fifteen positions without
cross-contamination or dusting
The Rotary Spout
automatically diverts granular materials from a single source,
such as a pneumatic conveying system or a gravity feed chute,
to as many as fifteen different bins, hoppers, or silos as required.
The indexing spout slopes at a 60° angle to improve material
flow and minimize material buildup at corners and seams. Welds
are smooth so there are no dead spots for material to collect,
making the Rotary Spout ideal for food products or other applications
where cross-contamination is a major concern.
Inflatable
air seals eliminate dust problems
The heart of the
Rotary Spout is its inflatable seal, which contains pressure
to 35 PSIG as standard and up to 100 PSIG for special applications.
These seals are located at the upper pivot point and at each
of the outlet port connections.
When the main spout
indexes to the desired port, both the top and bottom seals inflate,
squeezing the spout from both directions to form a dust-tight
pressure seal. The blind or unused ports are similarly sealed
when the spout is not moving so hoppers and bins are not exposed
to the atmosphere.
To index the spout
to a new position, the seals are deflated, giving the indexing
spout clearance to rotate freely 360° around the center support
shaft with minimal friction and effort. The indexing spout is
supported by a heavy-duty center shaft and bearing assembly.
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