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Bronze Dual Check Backflow Preventers



1/2 to 1 1/4 in. (15 to 32mm)


Series 20 Dual Check Backflow Preventers feature straight line, poppet-type construction to minimize pressure drop and provide smooth flow characteristics. They can be installed horizontally or vertically. Maximum Working Pressure: 150psi (10 bar).

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Disclaimer: Ames product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Ames Technical Service. Ames reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Ames products previously or subsequently sold.

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