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Pages in this section: F47 F48 (all shown below)
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Removes Contaminants From
Vacuum Pump Exhausts
Features
•
High Efficiency Filtration
•
Low Operating Cost
•
Maintenance Free
•
Completely Disposable
•
Pressure Safe
•
Easily Installed and Replaced
•
Equalizes Air Flow
•
Helps Maintain Safe Working Environment
•
Two Sizes - Koby Standard or Larger Capacity Koby Junior King
Function
K
oby Air Purifiers are installed on exhaust ports of roughing pumps to adsorb
remaining compressed air contaminants such as oil aerosols, oil vapors, certain
other hydrocarbon vapors, and trace moisture. They also trap all foreign solid
particles such as dirt, dust, rust, and pipe scale down to 0.5 microns in size. In addition,
Koby Air Purifiers can be used for efficient adsorption and removal of organic vapors and
aerosols, noxious odors, certain foreign gases and bacteria, and are effective in removing
certain inorganic vapors and aerosols from compressed air and vacuum air.
These carbon filters can be used in conjunction with oil mist eliminators. The oil mist
eliminator traps and returns the oil to the vacuum pump while the Koby Air Purifier removes
any remaining contamination which might otherwise be emitted into the laboratory air.
Range of Possible Adsorption Capacities
Adsorption Capacity
The carbon used in the manufacture
of Koby Air Purifiers has a huge internal
and external surface area with an affinity
for adsorbing organic contaminant’s. Each
gram of carbon has a surface area of
approximately 1500 sq. meters, making
Koby Air Purifiers particularly efficient for
most air purification and gas phase appli-
cations.
Actual adsorption capacity can be as
high as 80% of carbon weight depending
on the specific compound being removed.
Generally (but not always), adsorption
capacity of activated carbon increases
with molecular weight, boiling point, and
concentration
of
contaminants.
Compounds with low molecular weights,
and/or highly polar com-
pounds will not be suf-
ficiently adsorbed at
low
concentra-
tions.
KA-1 Koby Air Purifier with 1/4" NPT
The KA-2 Koby Junior King filter has
twice the trapping capacity
of the KA-1
Contaminant
Initial Removal
% of Carbon
Efficiency
Weight Adsorbed
Oil Vapor
99.9%
50-60%
Organic Solvents
99.9%
15-45%
Oil Aerosols
99.9%
50-60%
Moisture
99.9%
30-50%
Hydrocarbon Vapors
99.9%
50-60%
Oil Mist
99.9%
50-60%
Dirt
to 0.5 microns
N/A
Bacteria
to 0.5 microns
N/A
Standard Pump Filter Kits consisting of a Koby Charcoal filter
in conjunction with an Oil Mist Eliminator are available from
SIS for most Vacuum Pumps. See pages F28 - F29
F47
Koby
®
Vacuum Pump Charcoal Trapping Exhaust Filters
Scientific Instrument Services, Inc.
™
FAX: 908-806-6631
www.sisweb.com/catalog/08/F47
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www.sisweb.com/catalog/08/F48
Koby
®
Vacuum Pump Charcoal Trapping Exhaust Filters
F48
Scientific Instrument Services, Inc.
™
T
he Koby air purifiers can be
mounted in various configura-
tions depending on your vac-
uum system requirements. The air
purifier
can
be
fitted
with
a
QF25100SP25 Part #QF25100SP25--Click to order
Current Price: $46.00
Unit of Measure: EA
Est. Ship Weight=0.25 lbs
Quantity in Stock=14
 fitting to enable it to
mount directly on top of the exhaust
port on the Alcatel vacuum pump. The
rubber flap should be removed from the
vacuum pump exhaust port.
KF-1 Part #KF1--Click to order
Current Price: $50.65
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=15
KF-2 Part #KF2--Click to order
Current Price: $29.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
QF25100SP25 Part #QF25100SP25--Click to order
Current Price: $46.00
Unit of Measure: EA
Est. Ship Weight=0.25 lbs
Quantity in Stock=14
KF-3 Part #KF3--Click to order
Current Price: $30.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Fittings to Adapt Koby Air Purifier to various connectors
The Koby air purifier does not need to
be placed directly on top of the vacuum
pump. In many systems where space is
limited, it is more convenient to attach a
hose to the pump exhaust port and then
using a KF-1 Part #KF1--Click to order
Current Price: $50.65
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=15
, KF-2 Part #KF2--Click to order
Current Price: $29.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
, or KF-3 Part #KF3--Click to order
Current Price: $30.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
 fitting, adapt
the Koby air purifier to fit the hose. lt is
also practical, using these same fittings, to
run a hose or vacuum line from the top or
exit nipple of the air purifier to exhaust any
remaining contaminants to a hood or
building exhaust system.
Purifier Life
Koby Air Purifiers do not have a visual
change element and must be replaced
periodically to insure efficient adsorption
and filtration of compressed air impurities.
For best performance, KA-1 Part #KA1--Click to order
Current Price: $46.95
(10 or more: 5% off; 50 or more: 10% off)
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=92
 filters should
be replaced after 30 days, the KA-2 Part #KA2--Click to order
Current Price: $62.00
(10 or more: 5% off; 50 or more: 10% off)
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=20
 filters
after 60 days of use or sooner, when air
sampling indicates outward air quality has
reached an unacceptable level. Actual
purifier life can vary depending on flow
rate, concentration of contaminants, and
operation temperature. Purifiers will not
deteriorate when not in use.
Fittings - standard fittings on filters
are 1/4" NPT. Optional fittings shown at
left are available to adapt filters to pumps
to various hoses and flanges.
See the following page for details on installation with Alcatel Oil Mist Eliminator.
Phone: 908-788-5550
Part No.
Description
KA-1 Part #KA1--Click to order
Current Price: $46.95
(10 or more: 5% off; 50 or more: 10% off)
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=92
Koby Vacuum Pump Air Filter
When purchasing 10 or more
KA-2 Part #KA2--Click to order
Current Price: $62.00
(10 or more: 5% off; 50 or more: 10% off)
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=20
Koby Filter Junior King
When purchasing 10 or more
DFO Part #DFO--Click to order
Current Price: $38.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
3/4" Exhaust Muffler Filter,
35cfm Discharge Rate Max
KF-1 Part #KF1--Click to order
Current Price: $50.65
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Quantity in Stock=15
1/4" pipe tp 1/2" hose fitting
KF-2 Part #KF2--Click to order
Current Price: $29.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
1/4" pipe to 3/4" hose fitting
KF-3 Part #KF3--Click to order
Current Price: $30.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
1/4" pipe to 1" hose fitting
QF25100SP25 Part #QF25100SP25--Click to order
Current Price: $46.00
Unit of Measure: EA
Est. Ship Weight=0.25 lbs
Quantity in Stock=14
1/4" pipe to NW25 flange
KF-5 Part #KF5--Click to order
Current Price: $36.00
Unit of Measure: EA
Est. Ship Weight=0.5 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
1/4" NPT to1/4" hose fitting
Related information may be found on the following pages of our web site:
PageParts
Vacuum pump exhaust filters, pg F31-2KA1, KF1, KF2, KF3, QF25100SP25
Flange AdaptorQF25100SP25
Koby Low Pressure Disposable Air filter/PurifierKA1, KF1, KF2, KF3, QF25100SP25
Vacuum Pump Exhaust Filter Kits for Edwards Pumps - FK241KA1
Koby Noise Muffler Air PurifiersQF25100SP25
Vacuum Pump Exhaust Filter Kits for Edwards Pumps - FK201KA1
Koby High Pressure Disposable Air filter/PurifierKA2, KF1, KF2, KF3, QF25100SP25
Vacuum Pump Exhaust Filter Kits for Edwards Pumps - FK261KA1
untitledKA1, KF1, KF2, KF3, QF25100SP25
Koby Mini Disposable Air filter/PurifierKF1, KF2, KF3, QF25100SP25
Vacuum Pump Exhaust Filter Kits for Edwards Pumps - FK241KA2
Koby Vacuum Pump In-Line Air PurifiersKF1, KF2, KF3, QF25100SP25
Vacuum Pump Exhaust Filter Kits for Alcatel Vacuum Pumps - FK101KA1
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