1/4 - 3/8 Backflow Dual Check Repair Kit, SD2

This dual check valve repair kit comes with first and second disc assemblies and gasket. This repair kit is used for carbonated beverage machines to prevent the reverse flow of contaminated water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It is ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. Maximum working pressure is 200psi (13.8 bar).