Is it time to replace that old backflow assembly?

Backflow valves are manufactured using several types of materials: ferrous metals, nonferrous metals and nonmetallic plastics. Ferrous metals include cast iron, ductile iron and steel and are used for 2 ½” -12” backflow assemblies. Nonmetallic materials such as plastics are used on some smaller backflows 2”and below. Nonferrous materials include brass, bronze and stainless steel, while bronze and brass is used for sizes ranging from ¼” -2”….

CLICK HERE FOR FULL ARTICLE

 

Share