Beefed Up Brass Backflow Preventer Half Inch Dual Check Valve With Intermediate Atmospheric Vent 9D-M3 190T012 Replacement For Watts Built Tough For Lab Equipment Boiler Feed Lines Dairy Sterilizers
✔️ 1/2in NPT brass body, dual check with vent, 175 psi max
This brass backflow preventer is a compact, high-capacity unit built for small supply lines in labs, dairy processing, and boiler feed lines. It features an intermediate atmospheric vent for proper venting and compatibility with all major brands. Use it to keep return pressure above system pressure during operation and protect potable water from backflow. Color: Yellow.
✅ Brass body with stainless steel internal components for durability
✅ Integral filter and rubber discs provide tight closure and reliability
✅ Dual check valve design supports continuous pressure from 33°F to 210°F and up to 175 psi
✅ NPT thread type ensures easy integration with standard piping, 1/2" connection
💡 What is a backflow preventer used for in lab and boiler lines? Backflow preventers protect potable water by stopping reverse flow and safeguarding equipment from contamination. - Handy for protecting lab water supplies and boiler feed lines - Useful in dairy processing and sterilizers to prevent cross-contamination - Easy to install on standard NPT connections and compatible with major brands