PolyDome Bulk Bins are the perfect
choice for handling high-moisture
corn, soybeans, and other granular
materials. They are made of highdensity
polyethylene which will never
rust or corrode. PolyDome Bulk
Bins will always remain clean and
The interior surface of PolyDome
Bulk Bins is very smooth to reduce
bridging. Plus, since they are just 2-
piece construction there are no rivets
and grain-clogging seams to contend
with. The translucent polyethylene
allows you to visually check material
line from the outside.
All PolyDome Bulk Bins have a 22"
top opening with a hinged, vented
filler cap and a pull rope that allows
ground control for filling.
There are 3 different transition
collars available for the slide valves -
90°, 45°, and 30° angles. (See
Accessories on page 18.) The new
style collar allows easier attachment
to the bottom cone with little or no
cutting necessary. Our slides feature
a galvanized plate and guide system.
Our auger boots will attach to any of
our slide valves and handle 4” or 6”
augers. The auger boots have a clean
out access cover.
All PolyDome Bulk Bins have a 16”
hole in the bottom cone. The .8 ton
bin has 38" of ground clearance to
the slide valve. The 1.5, 2.5, and 3.5
ton bins have 15" ground clearance
under the slide valves. The 4.5, 6.5,
and 8.5 ton bins have 14" ground
clearance under the 90° slide valve;
and 11" ground clearance under the
PolyDome Bulk Bins feature heavyduty
support frames with extra large
secure plates for more holding power.
They have flat strap cross bracing
for increased stability. The .5 - 3.5
ton units come standard with 4 legs;
the 4.5 thru 8.5 ton units have 6
legs. The legs have large support
tabs which can be bolted to concrete
for added stability especially on the
All PolyDome Bulk Bins have a
sturdy ladder with slip guard. It is
braced securely to the top of the tank
near the filler cap.
All assembly hardware is supplied.
Erection time is one-third of steel
bins. Time is money!
Frames have a baked-on polyester
powder coat finish which resists
It is recommended that you use a
concrete pad at least 5-1/2" thick for
our 4.5 ton thru 8.5 ton units.