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Zurn Wilkins 350OSY - 4" Double Check Backflow Preventer with OS&Y valves
- The Zurn Wilkins 4" 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications.
- The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.
- 4" double check valve assembly with epoxy coated ductile iron body - flanged 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.
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