Zurn Wilkins 350AOSY - Double Check Backflow Assembly - grooved gate valve connections with OS&Y gate valves

Provides low hazard protection for all market segments.
The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.
4" Double Check Valve Assembly - grooved gate valve connections with OS&Y gate valves.
Short lay-length for small space installation.
Reliable performance and improved flow characteristics from patented Compound Check.
No threads or taps in body or cover, eliminating exposure to corrosion.
Single access cover reduces maintenance downtime.
Available in flanged, grooved, or grooved x flanged end connections for installation versatility.