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 Prevention Assembly shall be a ZURN WILKINS Model 350A.
Compliance:
- Massachusetts Approved
- NSF 61
- NSF 372
- ASSE 1015
- CSA B64.5
- cUPC
- UL 1469
- IPC
- NPCC
Features:
- Patented Compound Check ensures reliable, long-lasting performance and improved flow characteristics
- Installation approved and compliant in horizontal and vertical positions
- Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion
- Lightweight design and short lay-length ensures easy, compact installation
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