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- Assimilation Trap (This Page)
Offset with bottom connector for Adixen Vacuum Pumps
Part No. AT300-NW25-OFF
Description
A Rechargeable In-Line Trap to Help Prevent Backstreaming
The Assimilation Traps are similar to our Coaxial Foreline Traps in that they are used between the rough vacuum pump and the diffusion (or turbo) pump to prevent backstreaming of oil into the diffusion pump. In addition, these traps prevent particulate matter from entering the vacuum pump.
Assimilation Traps have the added feature of a replaceable filtering element This allows easy replacement once it becomes contaminated, clogged, or corroded. A variety of different filtering mediums are available for specific applications described below. The quick clamp seal incorporates a Viton® gasket to provide a good vacuum seal. In addition to the elements listed, the user could incorporate his own medium into the assimilation trap for special applications. For example, if a lot of acidic compounds were to be pumped by the vacuum pump, NaOH or other basic compounds could be used in the trap to neutralize acids, and aluminum oxide filtering material could be used for high efficiency filtering. For applications such as lyophilizing (freeze drying), water trapping media such as Drierite® could be used. Activated carbon could also be used to trap organic molecules and keep them from contaminating the vacuum pump oil.
Assimilation Trap Elements
The standard element is coarse OFHC (oxygen free hard copper). Optional filtering elements are available as described below.
Coarse grade OFHC copper elements are standard. They provide a large surface area for condensing oil vapors. The pure copper surface attracts hydrocarbons due to its high affinity for that type of compound.
Coarse grade stainless steel is for applications where a copper element is not desirable due to the reactivity of copper with certain chemicals.
Trapping elements should be replaced every 6 months.
Viton® is a registered trademark of DuPont Dow Elastomers.
Features
- Replaceable element in a wide variety of materials
- Prevents backstreaming
- Wide variety of connections
| Part No. | Body Dimensions (WxL) (in x in) | Top Tubulation | Bottom Tubulation | Replacement Element | Capacity (cfm) | Picture | Quantity In Stock |
Price EA |
Order | |
|---|---|---|---|---|---|---|---|---|---|---|
| SAT75A | Assimilation Trap | |||||||||
| 3 x 6 1/2 | 3/4in OD tube | 3/4in tube | RE-SAT16 | 11 | |
DISCONTINUED | --- | --- | ||
| SAT100A | Assimilation Trap | |||||||||
| 3 x 6 1/2 | 1in OD tube | 1in OD tube | RE-SAT16 | 17 | |
DISCONTINUED | --- | --- | ||
| SAT150A | Assimilation Trap | |||||||||
| 4 x 6 7/8 | 1 1/2in OD tube | 1 1/2in tube | RE-SAT150 | 17 | |
DISCONTINUED | --- | --- | ||
| SAT16A | Assimilation Trap | |||||||||
| 3 x 6 3/4 | NW16 Flange | NW16 Flange | RE-SAT16 | 11 | |
DISCONTINUED | --- | --- | ||
| SAT25A | Assimilation Trap | |||||||||
| 3 x 6 3/4 | NW25 Flange | NW25 Flange | RE-SAT16 | 17 | |
0†Standard lead-time for non-stock items is approximately two weeks depending on the item. | $465.00 | |||
| SAT40A | Assimilation Trap | |||||||||
| 4 x 7 1/8 | NW40 Flange | NW40 Flange | RE-SAT150 | 17 | |
DISCONTINUED | --- | --- | ||
| AT300NW25OFF | Assimilation Trap | |||||||||
| 3 x 4 7/16 | NW25 Flange Offset | NW25 Flange Offset | RE-300 | 17 | |
DISCONTINUED | --- | --- | ||
| Replacement Elements | ||||||||||
| RE250CC | Coarse Mesh OFHC-250 series | |||||||||
 |
DISCONTINUED | --- | --- | |||||||
| RE300CC | Coarse Mesh OFHC-300 series | |||||||||
|
1 | $151.50 | ||||||||
| RE250CS | Coarse Mesh Stainless-250 series | |||||||||
|
DISCONTINUED | --- | --- | |||||||
| RE300CS | Coarse Mesh Stainless-300 series | |||||||||
|
0†Standard lead-time for non-stock items is approximately two weeks depending on the item. | $45.71 | ||||||||
| RESAT16 | COPPER MESH ASSM TRP COPPER MESH FOR SAT75A/SAT100A/SAT16ASAT25A | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| RESAT16SS | SS MESH FOR TRAP SS MESH FOR SAT75A/SAT100A/SAT16A/SAT25A | |||||||||
| 5 | $127.50 | |||||||||
| RESAT150 | COPPER MESH 4" BODY SAT150A/SAT40A | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| RESAT150SS | SS MESH FOR TRAP SS MESH FOR SAT150A/SAT40A | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| Replacement Parts | ||||||||||
| G250 | Replacement Gasket-250 series | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| G300 | Replacement Gasket-300 series | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| SS250 | Filter Screen-250 series | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| SS300 | Filter Screen-300 series | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| 5404 | BODY CLAMP FOR 3" OD TRAP | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| VOR150 | VITON O-RING 3" OD TRAP | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| 13MHHM4 | BODY CLAMP 4" OD TRAP | |||||||||
| DISCONTINUED | --- | --- | ||||||||
| VOR244 | VITON O-RING 4" OD TRAP | |||||||||
| DISCONTINUED | --- | --- | ||||||||
|
* Call for availability. † Standard lead-time for non-stock items is approximately two weeks depending on the item. | ||||||||||
Ordering information.
International (non-US) prices available through your
local dealer.
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Stainless Steel Oil Mist Eliminator 
Quick Flange Clamp, Aluminum and Stainless