Wilkins 350 (350G, 350OSY, 350OSYG) Double Check Backflow Preventer, 2-1/2" to 12", Lead-Free*

Zurn Wilkins 350. The Double Check Backflow Prevention Assembly shall be certified to NSF/ANSI/CAN 61, ASSE® Listed 1015, and supplied with full port gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Backflow Pre-vention Assembly shall be a ZURN WILKINS Model 350.

Compliance:

• Massachusetts Approved, 
• NSF 61,
• NSF 372, 
• UL® Listed, 
• USC Approved, 
• FM ® Approved

Features:

• Short lay-length for small space installation
• Reliable performance and improved flow characteristics from patented Compound Check
• Available in flanged, grooved, or grooved x flanged end connections for installation versatility
• No threads or taps in body or cover, eliminating exposure to corrosion
• Single access cover reduces maintenance down time
  

Keywords: Double Check Backflow Preventer, Wilkins 350, hazard protection, check valve, Backflow Prevention Assembly, shut-off valve, dual check valve assembly, irrigation double check valve

Model : 350, 350G, 350OSY, 350OSYG