Watts 9D Series 3/4 Brass Dual Check Valve Backflow Preventer with Union Female NPT Inlet/Outlet, Compact Design for Vertical or Horizontal Install

About this item

• 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.
• COMPREHENSIVE FEATURES: 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. It also 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 and a secondary check valve utilizing a rubber disc-to-metal seating.
• STURDY BUILD: Designed to work with hot or cold water, this backflow preventer features a strong forged brass body. Its compact size makes it easy to install and handle. It can withstand temperatures from 33° F (0.5° C) to 250° F (121° C) and requires a minimum pressure of 25 psi (1.7 bar) and a maximum of 175 psi (12.1 bar).
• 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.
• 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.