The Zurn Wilkins 310 Single Check Valve prevents the reverse flow of non-hazardous substances into the water supply. The 310 is used to protect upstream equipment, and is not adequate for low or high hazard backflow prevention.
Features:
•6″ single check valve with flanged end connections
•Designed for use in fire protection feed lines
•Epoxy-coated ductile iron body resists corrosion
•Utilizes the patented, center-stem guided Compound Check for reliable and superior performance
•Optional metered by-pass and OS&Y shut-off available
•Either flanged (standard) or grooved end connections
•Available as a 310DA, with detector assembly for fire protection