How the Neptune Bypass Feeder DBF-5HP Works and Why It’s Ideal for Water Treatment The Neptune DBF-5HP bypass feeder delivers precise and reliable chemical dosing in closed-loop water treatment systems. It is built for durability and long-term performance. As part of Neptune’s trusted DBF Series, this bypass feeder features a dome-bottom design. Because of this shape, sediment drains more effectively. As a result, system cleanliness improves and maintenance becomes easier. In addition, the Neptune DBF-5HP supports pressures up to 300 PSI, making it suitable for high-pressure applications. It includes a 4-inch wide-mouth cap for fast chemical loading. The ¾″ FNPT connections also allow quick and simple integration into most closed-loop systems. Moreover, this bypass feeder delivers consistent chemical flow in demanding environments. Whether used for boiler water treatment or chilled water loops, it helps maintain proper water chemistry. Therefore, it supports corrosion control and protects system components over time. Finally, available from Water Treatment Supply, the Neptune DBF-5HP is a dependable choice for professionals who need efficient chemical delivery and long-lasting system protection.






