4″ Zurn Wilkins 350ASTOSY Double Check Assembly w/ OS&Y Valves
The 4″ Zurn Wilkins 350ASTOSY Double Check Assembly is designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350AST shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use.
Lead Free Compliant, Stainless Steel Body, Double Check Assembly with flanged end OS&Y gate valves.
Part of the 350AST Series