Patriot II Security Check Valve - Series 507

Product Details

Clow Swing Check Valves are widely specified by engineers and operating personnel. They are well-proportioned and sturdily constructed, and they provide the ideal solution wherever check valves are needed in water and waste-water treatment plants. Clow  Check Valves shall be all iron body, bronze mounted, full opening swing type. The valve clapper shall swing completely clear of the waterway when the valve is full open, permitting a “full flow” through the valve equal to the nominal pipe diameter. The Models 59-02 Plain Swing Check Valve, 159-02 Lever and Weight, and 259-02 Lever and Spring all meet or exceed the AWWA Standard C-508, latest revision.

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The Patriot II^TM Security Check Valve prevents reverse flow through the fire hydrant, safely protecting drinking water supplies while providing a full-port unobstructed waterway.