Sentry W7900 Refillable Resin Column

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Sentry W7900 refillable resin columns are a low-cost alternative to disposable ion exchange cartridges. An optional auto shut-off quick disconnect kit with 1/4-inch ID tube connections provides isolation during resin replacement.

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Options include three different sizes to interchange with the most popular sized disposable cartridges. Each resin column includes an initial charge of pre-measured color-indicating hydrogen-form cation resin.

Advantages:

Optional quick disconnect kit isolates column from source in either up or down flow direction
Corrosion-resistant mounting clamps included with W7901x models
Slender design ensures plug-free flow and reduces channeling

Process Temperature	125°F (52°C)
Maximum Process Pressure	W7901, W9702: 100 psig at 125°F (6.9 barg at 51.7°C); W9703: 10 psig at 125°F (0.69 barg at 51.7°C)