The Reduced Pressure Principle Backflow Preventer shall be certified to NSF/ANSI/CAN 61 and 372, shall be ASSE® Listed 1013, rated to 180° F, and supplied with full port ball valves. The main body and access covers shall be low lead bronze (ASTM B 584), the seat ring and all internal polymers shall be Noryl™ and the seat disc elastomers shall be silicone. The checks shall be oriented at a 45° angle upward and accessible for maintenance without removing the relief valve or the entire device from the line. If installed indoors, the installation shall be supplied with an air gap and “Y” type strainer. The Reduced Pressure Principle Backflow Preventer shall be a ZURN WILKINS Model 975XL2.
Compliance:
- NSF61
- NSF 372
- ASSE 1013
- AWWA C511
- CSA B64.4
- cUPC
- IPC
- NPCC
Features:
- Top access checks provide easy access for repairs in compact locations
- Short lay length eases replacement and installation costs
- Check and relief valve seats are easily replaceable
- All cast bronze body and stainless steel internals provide corrosion-resistance
- Low-lead law compliant
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