1/2" 9D-M3 Brass Backflow Preventer, 1/2 Inch Dual Check Valve with Intermediate Atmospheric Vent, 1/2 Backflow Preventer Valve 190T012, Replacement for Watts

Category: Industrial & Scientific

Brand: YHUER

Date First Available : 4/2/2025

• [Versatile Applications] The backflow preventer is engineered for smaller supply lines, making it perfect for laboratory equipment, processing tanks, sterilizers, and dairy applications. It is particularly recommended for boiler feed lines to ensure that return pressure remains higher than system pressure during operation.Compatible with all major brands.
• [Robust Performance] This dual check valve backflow preventer operates effectively under continuous pressure, accommodating temperature ranges from 33°F to 210°F. With a maximum working pressure of 175psi (12.1 bar). and a minimum required pressure of 25psi (1.7 bar), Thread Type NPT. this valve guarantees reliable performance in various settings.
• [High-Quality Construction] Crafted with a brass body and stainless steel internal components, this backflow preventer includes an integral filter and durable rubber discs. The main check valve features a rubber disc seat, ensuring tight closure and preventing any reverse flow of contaminated water.
• [Installation Guidelines] To prevent water damage during operation, it is essential to install a drain pipe terminating at least 12 inches above the floor drain. When used with a boiler, avoid using an air gap joint on the surface to prevent scalding; ensure exhaust ports or discharge lines remain unblocked.
• [User-Friendly Design] Designed for easy installation, the backflow preventer can be fitted in both vertical and horizontal orientations at reference cross-connections, providing flexibility for various setups. Its powerful function ensures the safety of your potable water supply by blocking the reverse flow of hot or cold polluted water.