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Technical glossary· Ion exchange and softening

Simplex / Duplex Softener

Short definitionA simplex softener has a single tank and supplies no soft water during regeneration; a duplex softener has two tanks and supplies soft water without interruption.

Duplex is a must for facilities that run more than 20 hours a day, hospitals, hotels and continuous production lines. Simplex systems suit businesses that can regenerate at night and for which an interruption is not a problem. A third option, triplex or multi-tank arrangements, is used at very high flow rates.

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