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Watts SD3 Series Backflow Double Check Valves

ASSE 1022 Double Check Vented Backflow Watts SD3

Watts SD-3 Series Backflow Double Check Valves

Watts Series SD-3 Dual Check Valves with Atmospheric Port & Strainer for Carbonated Beverage Machines prevent the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to back pressure backflow. It consists of stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Series SD-3 has an atmospheric port that provides visual indication of failure of the second check and a wye pattern strainer. Series SD-3 is available in a variety of models and is ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. Maximum Working Pressure: 150psi (10 bar).
All materials in contact with the potable water are in compliance with the requirements of the Safe Drinking Water Act, Public Law 93-523, National Interim Primary Drinking Water Regulations.
Features;

ASSE 1022 Approved Dual Check with Atmospheric Vent

Manual Food and Beverage Dispensing Equipment

Corrosion-resistant 316 stainless steel

Streamlined body design minimizes pressure loss and cavitation

Atmospheric port provides visual indication in case of failure of second check

Wye pattern strainer for water supply installations

Certified to ANSI/NSF Standard 18

Maximum working pressure is 150 psi (10 bar)

Endurance tested for more than 500,000 pumping cycles

Strainer manufactured from NSF-approved acetal plastic

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