Wilkins 450 Double Check Backflow Preventer, N-Pattern, 2-1/2" to 10", Lead-Free*

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 Grade 4), 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 Prevention Assembly shall be a WILKINS Model 450.

Compliance:

• City of LosAngeles Approved
• Massachusetts MA approved
• NSFStandard61
• NSFStandard372
• ASSEStandards
• AWWA Compliant C510, and C550
• CSA® Certified B64.5
• cUPC
• UL
• IPC
• NPCC
• USC Confirmed
• FMApproved

Features:

• Sizes 2 1/2" & 3"
• Maximum working water pressure: 175 PSI
• Maximum working water temperature: 140°F
• Hydrostatic test pressure: 350 PSI
• End connections (Grooved for steel pipe): AWWA C606
• End connections (Flanged): ANSI B16.42 Class 15

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