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The Pump filter Kit for the Edwards Pump includes the Edwards EMF30 Oil Mist Eliminator, Koby Charcoal Trap and all the fittings needed to attach this two filter system on the E2M30 Edwards vacuum pumps. Included is the 3/4 Pump Adaptor which screws into the exhaust port of the vacuum pump. The oil mist eliminator then attaches to the NW25 flange on this fitting.
The Koby Charcoal Filters are highly recommended to be placed on the exhaust of vacuum pumps that are normally vented directly into the laboratory. SIS has undertaken extensive studies on the application and efficiency of the Koby filters when used on vacuum pump exhausts. Vacuum exhaust air which is exhausted through the Koby filter, has been shown to be cleaner than normal room air.
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Figure # 1 - Effect of Vacuum Pump Exhaust Filtering |
The chart above shows the steps in filtering air from a vacuum pump after 1.0 ml of gasoline was injected into the pump. The top chromatograph shows the low boiling organics as well as high boiling hydrocarbons that are exhausted out of the vacuum pump before any filtering. The second chromatogram shows the exhaust air after the oil mist eliminator - the oil mist eliminator traps the heavy hydrocarbons from the pump oil and returns them to the pump. The bottom chromatogram shows the exhaust air after it is filtered through the Koby trap - the exhaust air is cleaner than the normal room air.
For additional information and the results of our studies visit the SIS Application Notes on Vacuum Pump Exhaust Filters:
It is normally recommended that the Koby carbon filters be used in conjunction with an oil mist eliminator. The oil mist eliminator traps and returns the vacuum pump oil to the vacuum pump, preventing this oil from saturating the charcoal filter which will reduce its life. The Koby Air Purifier removes any remaining organic contamination which might otherwise be emitted into the laboratory air.
Kits for Other Vacuum Pumps are also available from SIS.
Oil Mist Eliminators and Koby Filters can also be purchased separately from SIS
Ordering Information
Edwards Vacuum Pump Kit (Kit FK241) contains the Edwards Oil Mist Eliminator, Koby Filter and the fittings shown above. This kit is all you need to install the complete two stage exhaust filter to your Edwards vacuum pump model E2M30.
Maintenance Accessories:
Koby Junior Charcoal Filters (KA2) - It is recommended that the Koby Junior Charcoal Traps be changed monthly to assure the highest efficiency of exhaust filtering. But in lots of 10 or more and save.
Replacement Filters for Edwards EMF30 (A46233000) Oil Mist Eliminator - It is recommended that the filter element in the Edwards Oil Mist Eliminator is changed yearly, or more frequently if very caustic materials are pumped through the vacuum pump. - (A22304057)
| UOM=EA | |||||
| Part No. | Description | est wt. |
Quantity In Stock |
Price | Quantity to order |
|---|---|---|---|---|---|
| FK241 | Edwards Large Pump Filter Kit | 5 | 0(#) | $1050.00 | |
| KA2 | Koby Junior King Vacuum Pump Filter, Replacement | 0.5 | 105 | $62.00(*A) | |
| A46233000 | Edwards MF30 Oil Mist Eliminator for Edwards Pump Models E2M28 and E2M30 | 1 | 3 | CALL | |
| A22304057 | Edwards Replacement Oil Filter Element for Edwards MF30 Oil Mist Eliminator | 1 | 1 | $286.00 | |
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(*_) Marked parts have bulk quantity discount pricing:
Discount code 'A' -- 10 or more: 5% off; 50 or more: 10% off.
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| (#) Standard lead-time for out-of-stock items is approximately two weeks. | |||||
Ordering information.
International (non-US) prices available through your
local dealer.
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For information on the Koby Filters - See the Koby Filter page
| SIS Catalog Cross Reference | |
|---|---|
| Page # | Part Numbers |
| F30 - BOC Edwards EM Vacuum Pumps | A46233000 |
| F46 - Koby™ Vacuum Pump Filter Kits | FK241, KA2 |
| F48 - Koby™ Vacuum Pump Charcoal Trapping Exhaust Filters | KA2 |
| F49 - Oil Mist Eliminators | A22304057, A46233000 |
 Yttria coated filament at start |
 Yttria coated filament after 16,000 cycles |
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