Twin-Alternating (aka Duplex) Water Softeners. Most boiler systems run 24/7 or pretty close to it. This necessitates a 24/7 soft water feed. While the vast majority of softeners used in residential applications are single tank systems, it's usually advisable to look at a twin-alternating or 'duplex' water softener. A duplex system has two softening tanks and one brine tank.
Product Overview. Water softeners remove calcium and magnesium (hardness) and replace them with sodium. Hardness removal is critical to prevent scale formation on the waterside of the boiler. Scale can decrease boiler efficiency by 10% and create premature pressure vessel failure. Fulton softeners are duplex systems with auto-regenerating features sized for each application.
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Babcock Wanson provides a wide variety of water softening equipment for process industry. With more than 60 years of experience, Babcock Wanson has installed thousands of water softeners and associated equipment, with a particular focus on providing treated water for steam boilers. Water Softening is the process of removing Calcium (Ca+), Magnesium (Mg+), and other metal cations from raw water.
Flier's Quality Water Systems can develop a unique water softening system for your precise application, depending on your specific requirements. Boiler Feed Boiler feeds commonly use water softening systems for pre-treatment.
Rite Boilers Catalog (PDF) Rite Twin Tank Water Softener (PDF) Water Softener Controller (PDF) USING SALT TO SOFTEN WATER. Water is considered soft if its hardness is less than 75 parts per million (ppm), moderately hard at 75 to 150 ppm, hard at 150 to 300 ppm, and very hard at 300 ppm or higher.