Watts 9D 3/4" Brass Dual Check Valve Backflow Preventer Union Female NPT

Key features

• BACKFLOW PREVENTION: The Watts Brass Dual Check Valve Backflow Preventer is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply in smaller supply lines. It is used to protect against health hazard and non-hazard back-siphonage of toxic or non-toxic liquids and meets the specifications of the USC FCCCHR Manual.
• COMMERCIAL GRADE PERFORMANCE: This 3/4" preventer is equipped with everything needed to efficiently prevent the backflow of water: NPT female inlet and outlet connections, stainless steel internal parts, and an integral strainer. Product also features two durable, tight-seating rubber check valves: a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing and a secondary check valve utilizing a rubber disc-to-metal seating.
• DURABLE DESIGN: Suitable for use on both hot or cold water, this preventer is constructed with a highly durable forged brass body, and its compact construction ensures it can be easily handled during installation. It has a broad operating temperature range of 33 degreesF (0.5 degrees C) to 250 degreesF (121 degrees C), a minimum required pressure of 25 psi (1.7 bar) and a maximum of 175 psi (12.1 bar).
• VERSATILE APPLICATIONS: Engineered for smaller supply lines, this versatile preventer can be used under continuous pressure and is particularly suited for laboratory equipment, processing tanks, sterilizers, dairy equipment, and similar applications.
• EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.

The Watts Brass Residential Dual Check Valve Backflow Preventer is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply in smaller supply lines. Capable of being used under continuous pressure, this preventer is particularly suited for use with laboratory equipment, processing tanks, sterilizers, dairy equipment, and similar applications.It is constructed with a highly durable forged brass body with a broad operating temperature range of 33° F (0.5° C) to 250° F (121° C). It can handle a minimum required pressure of 25 psi (1.7 bar) and a maximum pressure of 175 psi (12.1 bar).Equipped with NPT female inlet and outlet connections that contribute to a tight, leak-free seal, the installation of this 3/4" backflow preventer is straightforward and secure and includes everything you need to efficiently prevent the backflow of water in your smaller supply line, such as stainless steel internal working parts, an integral strainer, and rubber discs. Furthermore, it includes two durable, tight-seating rubber check valves: a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing, as we

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