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Figure Number: 7140
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7140Flood-Gate® Automatic Backwater Valve

Our Flood-Gate® Backwater Valve completely seals itself during emergency storm conditions or when the building is shut down. Built for long service life, the valve's body is constructed of corrosion resistant Duco coated cast iron housing, a stainless steel gate, and PVC diaphragm. Engineered for drainage control in all commercial. institutional, residential and industrial installations, this valve closes and resets completely automatically without any manual intervention or need for electronic controllers.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning
Shows specifications for standard configuration. Configuration options may change specifications.
  • Variations
    Alarm Control Box, Sensor, 35-Foot Connecting Wire -FGA, Flood-Gate Pits (For Non-traffic Areas Only), Poly Pit, Secured, Gasketed Poly Lid and Hardware-FGP, Poly Pit, Secured, Gasketed Steel Cover and Hardware -FGS, Steel Cover only-FGSL, (2) 3/8” (10) Tappings -TAP
  • Product Type
    Valve
SubmittalSubmittal 7140 Valve
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Technical Drawings
7140 Valve CAD DrawingFlood-Gate® Backwater Valve - In-Line AutomaticDWG227 KB
7140 Valve Revit DrawingFlood-Gate® Backwater Valve - In-Line AutomaticRFA468 KB
Literature / Videos
Article: Flood-Gate® Backwater Valve, Protects 2,700 miles of Sanitary Sewer LineArticle: Flood-Gate® Backwater Valve, Protects 2,700 miles of Sanitary Sewer LinePDF2 MB
Article: "Why the Flood-Gate® Works" by Inventor Bill CookArticle: "Why the Flood-Gate® Works" by Inventor Bill CookPDF105 KB
Flood-Gate Automatic Backwater Valves Brochure (pdf)Brochure Flood-Gate Automatic Backwater ValvesPDF3 MB
MGI Corporate Brochure (pdf)Who we are, Our History, Morris Group International TodayPDF8 MB
MGI Brands Flyer (pdf)MGI Brands Flyer (pdf)PDF712 KB
Specifications for Backwater ValvesSpecifications for Backwater ValvesDOC102 KB
7140 Valve (hi res jpg)Flood-Gate® Backwater Valve - In-Line AutomaticJPG26 KB
Technical Data for Backwater ValvesTechnical Data for Backwater ValvesPDF159 KB
Order Guidelines for Backwater ValvesOrder Guidelines for Backwater ValvesPDF262 KB
Parts Order Guide for Backwater ValvesParts Order Guide for Backwater ValvesPDF549 KB
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