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Molecular Sieve Assembly

Molecular Sieves

Stainless Steel Filter Driers to Trap Moisture

Molecular Sieve Filter Driers

A filter drier captures moisture and contaminants during the recovery process of the extraction solvent as it passes through the molecular sieve on its way to the condenser coil or recovery tank. This filtering process combines the micro-porous 2500 mesh (5 microns) gasket which excludes dust particle contaminants. The remaining vapor passes through the gasket into the stainless steel canister which is commonly filled with a dessicant to remove moisture. A drier filter canister typically consists of:

  • 2 x Tri-Clamp Bowl Reducers w/ FNPT ports
  • 2 x Tri-Clamp 2500 Mesh Screens (Viton or FKM)
  • 2 x High-Pressure Clamps
  • 1 x 12 - 24+ inch Tri Clamp Spool

How Do Molecular Sieve Driers Work?

A molecular sieve relies upon a method called physical adsorption (as opposed to absorption-chemical integration). Adsorption is when one substance is held inside another by a physical bond. In a porous dessicant such as silica gel, activated clay, or charcoal, water is removed through the attraction of thin layers of water molecules to the surface of the dessicant. Dessicants by their nature are very porous and thus have a lot of surface area to attract a large volume of water molecules.

Additional Components

We also carry an extensive line of JIC / NPT fittings, as well as -30 Hg up to 300 PSI Pressure Gauges. If you are unable to find what you need from our more popular choices below, we do carry an extensive line of Bowl Reducers, Sanitary Clamps, Screen Gaskets, and Tri-Clamp Spools to meet your needs.


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SKU Item Price
B3115MP-G400-FNPT-050 In Stock: 198 Bowl Reducer | Tri Clamp 4 in. x FNPT 1/2 in. - SS304
40MPUS-400-2500-FDA In Stock: 7 BUNA Screen Gasket | Tri Clamp 4 in. 5 Micron (2500 mesh) - FDA
40MPUS-400-2500-20-FDA In Stock: 4 BUNA Screen Gasket | Tri Clamp 4 in. 5 Micron (2500 mesh) w/ 20 mesh support - FDA
SP-G400-012 In Stock: 37 Sanitary Spool | Tri Clamp 4 in. x 12 in. - SS304 / 3A
SP-G400-018 In Stock: 9ETA by: 09/29/2024 Sanitary Spool | Tri Clamp 4 in. x 18 in. - SS304 / 3A
SP-G400-024 In Stock: 1ETA by: 07/22/2024 Sanitary Spool | Tri Clamp 4 in. x 24 in. - SS304 / 3A
SP-PERF-END-G400-100 In Stock: 112 Screen Gasket Support Spool | Tri Clamp 4 in. x 1 in. w/ 6.5 mm holes - SS304

7 Items

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Return Policy

Glacier Tanks will accept returns of website standard stocking items, but only if:

  1. The item is new, unused, and in resalable condition;
  2. You notify Glacier Tanks and request a return authorization within 30 days of your receipt of the item;
  3. You return the item to Glacier Tanks, postage/shipping prepaid within 5 days of Glacier Tanks' return authorization (RMA);

Once your items have been received by Glacier Tanks and verified to be unused, we will refund your purchase price, less shipping costs. Returns will incur a 15% restocking fee. Return shipping costs are your responsibility and shall not be paid by Glacier Tanks.

The following items are non-returnable:

  • Special or Discounted items - labeled by button color:
    • Discontinued
    • Damaged
    • Non-conforming
    • Refurbished
    • Special Order
    • Drop Ship
    • Build-to-Order
  • Custom order
  • All Gaskets & Seals

Please be sure you understand and agree to any drawings supplied to you prior to purchase of custom or special order items. Payment of deposits for custom or special order items indicates your approval and acceptance of such custom or special order items.

Proudly Serving Our Customers

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A reviewer A reviewer
May 22, 2022 on Google Customer Reviews
Great selection of quality 304. Excellent over the phone service. Next day delivery (if ordered before 10a), to Birmingham, AL. Will order from again. Thank y’all.
Edward Barcenas Edward Barcenas
Nov 15, 2020 on Google Customer Reviews
Excellent. Delivery was on time. Properly packaged. The website is easy to navigate and it has the necessary technical data.