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Gamma Seal Lids

Gamma Seal Lids are “two part”, unscrewable, snap-on, 5 gallon pail lids with an “o” ring seal.  Modified, they serve nicely as removable dust collection pails for under suspended canister style filters commonly found on dust collection cyclones.  A good source for these is Lowes, where they sell for under $9, plus the cost of the 5 gallon pail.

Installation Procedure Filters with a 12.75″ OD

Unscrew the bottom section from the top section.  It’s the larger section which snaps onto the pail lid.  Set it aside for now.

Remove the “Gamma Seal” sticker from the top section.  This side (with a bead of silicone) and 4 floating gear latches will be mated with the bottom end cap of a 12.75 inch diameter pleated filter canister such as the 13F230NANO, 13R230NANO, the 9L series and some 12.75″ OD filters by others.

Drill four (4), 5/8 inch clearance holes as illustrated.  The floating gear latches will be attached at these four points.

Cut the rest of the center out leaving what will be a 7-3/4 inch hole for the dust to fall through.  Hole size not critical.

Pre-adjust each of the four floating gear latches to have a 2 inch length (prong to prong).  It is recommended to hold the latches with pliers when adjusting them.

Position a latch with the slotted screw head facing upward so the two prongs straddle the center support fin.

Pressing on the latch inward and downward slightly, unscrew the latch until the lower prongs clear the internal filter end cap lip.  Then tighten it hand tight.

Install the other three latches.

Re-tighten each latch (not to tight).  Over tightening will distort the plastic to the point where it could break.

Place the bottom section on the pail lid, press down firmly and tap on it with a mallet until it is seated.

That’s it!

Note:  Gamma Seal lids have other uses:

-Replacing plastic dust collection bags on the underside of single stage collectors with an unscrewable, 5 gallon pail.  A DIY Donut is needed.

-Making a 12.75 inch diameter filter so it can be unscrewed from a support member such as a wall bracket.

Questions? Contact Us

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The following video ( by Shawnee Hills Workshop ) illustrates the attachment of Gamma Seal Lids to filters and Plenum Boxes.

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