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Ducting Sales & Design Tools |
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DUCT MONKEY offers assistance to those sales
people and customers who have never designed a ducting system
before. We can assist you in determining the correct duct size
and configuration that will supply you with the correct flow.
We will also assist in training sales sessions for your sales
group.
We have the ability to assist customers in designing a blast-gated
system; taking into account flow dynamics that will be affected
by blast gates. While blast gates can be used to effectively utilize
an undersized filtering system, they can also destroy the flow
if not properly placed.
USING THE CFM / FPM CHART
In the following pages, you will find information
and a chart that allows you to pick the right size duct for the
CFM that is required. Different materials need to be moved at
different velocities so as to prevent the material from falling
out of the air stream. For example: wood chips and saw dust flow
well at 4500 feet per minute. Referring to the chart, you will
see that a 4" duct will convey 395 CFM at 4500 FPM. this will
mean that a 4" pick-up on a machine will take 395 CFM from your
filtering system; or working in reverse, if you know that a machine
will require approximately 400 CFM to remove the waste, then you
should design a 4" duct for the purpose.
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| Description
of Conveyed Material |
Velocity
FPM |
Example |
| Gases, Smoke, Vapor |
1,000 - 2,000 |
All vapors gases and smoke |
| Fumes |
2,000 - 2,500 |
Welding |
| Very Fine Light Dust |
2,500 - 3,000 |
Cotton Lint, Litho Powder, Wood Flour |
| Dry Dusts and Powders |
3,500 - 4,000 |
Light shavings, Rubber Dust, Soap
Dust |
| Typical Industrial Dust |
3,000 - 4,000 |
Grinding or Buffing Dust, Granite/Brick/Clay
Dust |
| Heavy Dusts |
4,000 - 4,500 |
Heavy or Wet Sawdust, Metal Turnings,
Sand Blast Dust, Wood Blocks |
| Heavy or Moist |
4,500 + |
Moist Cement Dust, Quick-Lime Dust,
Sticky Buffing Lint. |
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| YOU CAN ALSO PRINT OUR PARTS TAKE OFF SHEET AND FAX IT TO US - Take Off Sheet |
| THE LINKS BELOW ARE TECHNICAL SHEETS IN PDF FORMAT FOR VARIOUS ITEMS IN OUR PRODUCT LINE |
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