- Backflow Preventers & Accessories
- Reduced Pressure Zone Assemblies
- M400, M400N, M400Z
M400, M400N, M400Z
Stainless Steel Reduced Pressure Zone Assemblies
Lead Free* Models Available
2 1/2 to 10 in. (65 to 250mm)
Series M400, M400N, M400Z Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of stainless steel body, sleeve and torsion spring check valves. Series M400, M400N, M400Z features the certified lowest pressure loss, a compact design that is 70% lighter than traditional designs and is ideal for health hazard piping applications for protection against backsiphonage or backpressure. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).
To preview and download CAD Drawings for this product, please select a model/size from the list.
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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*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.