Plumbing Watts Dual Checks | 9Dm2, 3/4″ Brass Dual Check Valve With Intermediate Atmospheric Vent

Series 9D Dual Check Valves With Intermediate Atmospheric Vent Prevent The Reverse Flow Of Hot Or Cold Polluted Water From Entering Into The Potable Water Supply. It Consists Of A Brass Body With Stainless Steel Internal Parts, Integral Strainer, And Two Durable, Tight-Sealing, Rubber Check Valves. Series 9D Is Designed For Continuous Pressure, Non-Health Hazard Applications In Smaller Supply Lines, Such As Laboratory Equipment, Processing Tanks, Sterilizers, Dairy Equipment, And Specifically For Boiler Feed Lines. Minimum Working Pressure: 25Psi (172Kpa), Maximum Working Pressure: 175Psi (12.1 Bar).

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