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Flextank STACKER Maturation Tank

The STACKER maturation tank features a stacking cage that allows convenient movement or stacking with a fork truck up to three high. The tanks may also be elevated on a fork truck to facilitate gravity racking.

STACKER tanks feature a patented 19 inch diameter man way opening, hermetically sealed with the clamp style lid and gasket shown. The clamp lid requires neither tools nor herculean strength to install or remove as opposed to similar diameter threaded openings. As the tank is filled, wine impacts the convex lower surface of the lid and then fills the gap between lid and tank. Final fill is through the 2 inch threaded bung hole after the lid has been clamped in place. Minimal entrapped air results. The wide opening makes for a versatile tank that can be used for primary and secondary ferments in addition to maturation storage.

Excellent access for cleaning or the addition and removal of oak adjunct products. Two thicknesses of vessel provide passive micro oxygenation performance similar to either second year barrels (Maturation Weight) or “neutral” barrels (Heavyweight) at cellar temperature (55F). The thicker units are primarily intended for aromatic whites where only minimal micro oxygenation is desired. Custom wall thicknesses for either higher oxygen permeation rates or lower are available.

The STACKER maturation tank features a stacking cage that allows convenient movement or stacking with a fork truck up to three high. The tanks may also be elevated on a...
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The STACKER maturation tank features a stacking cage that allows convenient movement or stacking with a fork truck up to three high. The tanks may also be elevated on a fork truck to facilitate gravity racking.

STACKER tanks feature a patented 19 inch diameter man way opening, hermetically sealed with the clamp style lid and gasket shown. The clamp lid requires neither tools nor herculean strength to install or remove as opposed to similar diameter threaded openings. As the tank is filled, wine impacts the convex lower surface of the lid and then fills the gap between lid and tank. Final fill is through the 2 inch threaded bung hole after the lid has been clamped in place. Minimal entrapped air results. The wide opening makes for a versatile tank that can be used for primary and secondary ferments in addition to maturation storage.

Excellent access for cleaning or the addition and removal of oak adjunct products. Two thicknesses of vessel provide passive micro oxygenation performance similar to either second year barrels (Maturation Weight) or “neutral” barrels (Heavyweight) at cellar temperature (55F). The thicker units are primarily intended for aromatic whites where only minimal micro oxygenation is desired. Custom wall thicknesses for either higher oxygen permeation rates or lower are available.

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