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Exhaust Volumes Required
WOODWORKING
Equipment
Size
Min. CFM
Required
Q\
Krife Lengrh
=
Up to 6^
6+ to 12'
'
12+'
to 20'
ovet 20'
350
440
550
800
Sander, Bell
(Horizonlal)
Bell Widlh
=
Upto 6
6+' to I'
9+ ro 14
790
(3)
900
(3)
1240l3J
Sander, Disc
D sc Diameref
=
Up to 12'
12+
to iB
18+'lo 26'
350
450
550
Drum Sudace
=
Up to 200
(in
square nchet 201 to 400
401
to 700
701 lo 1400
350
550
785
1100
Blade Width
=
Up
ro
2'
2+" lo 3'
3+ lo 4'
700
(3)
s00
(3)
1350 {3)
Saw, Badial Hood
behind b ade
=
From
pod
on b ade
glard
=
Total=
430
70
500
Saw, Swing Blade
Diarneter
=
Up lo 20
over 20'
350
440
Blade Diameter
=
lJp to 16'
16+
to 24'
ovet 24
Vaieiv with
dado
=
350
440
550
550
Planer,
Single Knile Length
=
Up to 20'
20+' lo 26'
785
1100
for
Ditterent Applications
(1)
METALWORKING
Equipmenl
Size
Min, CFM
Required
{4)
Bufiing,
Belt Bell Widlh
=
Up to 3'
3+ lo5
5+ lo
7'
7+'lo 9'
9+ to
11'
11+ lo J3
220
300
390
500
610
740
Bufiing,
Wheel
3
5
6
300
500
610
740
1040
Gfindlng Wheel
\5)
1
1/2
2
3
5
6
220
220
390
500
610
880
1200
Grinding wh€el
\5)
1.1/2'
2"
,3'
5'
220
390
610
740
880
1200
(r)
(2)
The exhausl vollme
(CFlVl)
requircmenls shown
arc
trom
the
American
Conference oi Governmentar Industriat
Hygienisls
\ACGIH@),
lntlustriai ventitation:
A Manual ot Fecannnenoeo
P.a.rbes, 1gth
Editiof. Copyighl 1986. Beprnred
wilh
permis-
sion. Consult nranua tor more
detailed recommendaiions.
Conlacl lhem
al www.acgih.org
CFMs
requlred
are mnimums
pereach
equipmenl lype. Duci
velocity should nol
be less lhan 3500 FP[,4 to
prevent
wood
dusifrom setling in ducl work
Abbreviations
used in charts:
CFI\,,|= Cubic leet ol
air
per
minute
FP[,4
=
Feet
per
minute
sflm
=
Surface leet
per
minute
(3)
Feqlires 2 nozzes
or hoods. CF[/is shown
are totatCF|M for
bolh nozzles or hoods.
(4)
For all melalworkng
applications, ducl velociiy should
be at
least
3500 FPM
for light
g
nding or b!fiing
and at least 4500 FPIVI IoT
heavy
grinding
or bltiing
lo
prevenl
seltling in dlciwork.
(5)
The wheel hood
should cover al leasl 75%
oi the wheei 10 be
considered a
good
enclosure.
How
To Select The Proper
These dusl m lectols wllgiv€
you
excellenl resrlts in
co lectirg wood
ch
ps,
Iine dust and metalshav
ngs, theyare noldesigned
to work in targe
centralsyslem
applcalions These are
portable
uritsthatcan be moved
llom machne
to machne. To selecl the
propersize
DustColleclor 6eihe
I Addth€'CFM
BEOUIBED" lor
each machineperlhe above chart. Th
s
5
s
yolr
t0,41cFlv
REourBED.
2 Now,
select the Duslcolieclor modelfrom
Page l wilh a'lvtax
cFM'
6
geater
lhan
your
TOTAL
CFM
FEOU
IRED n step 1 . ll none
or the
models
on Page t have a Max.
CFM
greaferlhan your
TOTAL
CFM
required, you
wi I need more
than one unit ora larger
'centratsyslem'
oryornl
-pFdrosh-
ofInesrw i daloe !l
\odL,rcolecro' <onlv
-
pul
iag lrom or rle
ar a ine'<,Fe nolps b d o 7
c'.qht/.
3. lllhe untwl be n
a lixed nslalalion'at duclworkshoutd
be sheel
metalducl ifsiead
olliexble hose. The
pressure
drop thmugh i exible
hose is aboirl 2
4 I mes lhai of smmlh wa I
pipe
DO NOT use any
Size Dust
Collector
PVC or
plaslic pipe.lt
ca, deliver a severe st.tic
etectric shock
caused by high velocity
dust
passlnglhrcugh
it.
The Dusl
Colreclorsholld be localed ascloselothe machne
aspossible
and
preieraby
fo more lhan 10leel away
Use as iew
erbows as
possible
in
yowducnrofi.
The loss through one
90'ebow
sequallo approxmalery l0ieetotstraighl,
smoollr wat
pipe.
llthedusl
col€clorwil be used on morelhan
one machne,
you
sholld
insla I
sl de
gale
danrpe6 in lhe
ducr at eac, mach ne 10
"close
ofl' lhal
seclion
ol ducl when us ng anolher machire.
This wl allow lhe d!s1
colleclorto
pu
I ffom on
y
one machine
at a time and lhus increase the
dusl col eclor
perlormance.
Iyptal/y
a 1
r/rHP
Model w I work
w th up lo 20 lolat leel ol dLcl work
a
model2HP Modelwl workwlh
uplo30tota leel
ol duct
work
and a
3HP Mode willwor*
with up to 75-85 totat leet
ot ducl wod( These
valuesare
basedon havingdampersat
each machine connection
(as
if
'ro1e
6 above)
and a Iducl work is smooth wal,
sheet meta