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Cartridge Filter By-Pass Feeder DBFC-5

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44.00 LBS

 Product Description

Neptune By-Pass Feeders are a convenient method of introducing treatment chemicals into closed circulating water systems. They are ideal for treating hot and chilled water circulating loops used in heating and air conditioning systems, process heating and cooling or large engine water jackets.

Neptune offers two styles of By-Pass Feeders: A vertical style with dish bottom in and a vertical style with dish bottom out. Filters are available for system cleanup and monitoring. A high pressure cap rated to 300 psi is now standard. The first closure improvement in over two decades.

Vertical Style – Dish Bottom Out

The “DBF” series features wide-mouth caps manufactured by Neptune. These caps utilize a square section “O” ring seal and will close easily by hand. Advantages of this series are demountable leg extensions and a full bottom drain. Optional Filter Bag Kit may be added. ”DBFC” models include a built-in support and mounting for a cartridge filter (order cartridge separately).

Filter Bag Kits

Available for all “VTF” and “DBF” models up to 10 gallons. Kit includes bag, bag frame, tubing and connectors. The addition of a filter bag allows the By-Pass Feeder to function simultaneously as a side stream filter. (A clean bag is rated at approximately 30 microns.) Cannot be used with DBFC models.

Cartridge Filter Units

“DBFC” models include a built-in support and mounting for a cartridge filter. (Order cartridge separately.)
Cartridge filter modification cannot be installed in DBF models; model DBFC must be ordered for use with cartridge filter.


All Neptune By-Pass Feeders offer the new style, quick opening, high pressure closure. These closures offer better sealing with less force and eliminate the need for tools. Design binds cap tightly when under pressure making it necessary to bleed pressure from tank before removing cap. Underside of cap which contacts liquid is epoxy-coated.

Specifications (All Models)

  • Working pressure: to 300 PSI max. at 200°F
  • Tank shell:
    • 2 gallon unit – 11 gauge steel
    • 5 gallon unit – 10 gauge steel
    • 10 gallon unit – 10 gauge steel
    • 12 gallon unit – 10 gauge steel
  • Tank heads:
    • 2 gallon unit – 11 gauge steel
    • 5 gallon unit – 9 gauge steel
    • 10 gallon unit – 9 gauge steel
    • 12 gallon unit – 9 gauge steel
  • Cap:
    • Cast iron with Buna N “O” ring.
    • Wide mouth, easy open/easy close.

For additional information, and choosing the correct feeder for your application, please review
the pdf
Product Brochure, pdf Product Specifications Sheet, and pdf Product Manual.

If you have any questions or need assistance in selecting the correct sample cooler for your application,
please don't hesitate to contact
EnviroAqua at (818) 890-3200.

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