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Typical System, Low Volume, High Density
cfm
I.D. Plastic Hose Size (inches)
Disk sanders 3-9 inch diam.
60-175
1-1.5
Vibratory pad sander - 4" x 9"
100
1.25
Router, 1/8" - 1"
80-100
1-1.25
Belt sander 3" - 4000 fpm
70
1
Pneumatic chisel
60
1
Radial wheel grinder
70
1
Surface die grinder, 1/4"
60
1
Cone wheel grinder
90
1.25
Cup stone grinder, 4"
100
1.25
Cup type brush, 6"
150
1.5
Radial wire brush, 6"
90
1.25
Hand wire brush 3" x 7"
60
1
Rip out knife
175
1.5
Rip out cast cutter
150
1.5
Saber saw
120
1.5
Swing frame grinder 2" x 18"
380
2.5
Saw abrasive 3"
100
1.25

System Notes
Bell and socket, smooth - flow type
tubing and fittings should be used
throughout the system.
When System is used for vacuum
cleaning of abrasive materials. Schedule
Nol40 pipe and cast iron drainage fittings,
or heavier, should be used in place of tubing.

From American Conference of Governmental Industrial Hygienists (ACGIH®), Date: 10-90, Figure VS-40-20, Industrial Ventilation : A Manual of Recommended Practice, 23rd Edition. Copyright 1998. Reprinted with permission.

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