Description
Description
The Zurn Wilkins 975XL3 Reduced Pressure Principle Backflow Assembly provides high hazard protection against backsiphonage and backpressure in potable water applications. The 975XL3 series offers the most compact and lightest bronze small backflow available on the market today. The design combines the robust time-tested construction of our 975XL/XL2 series with the innovative modular check EZSwap design of our 375 series allowing for ease of repair and greater labor savings compared to all other brands.
- Compact and shortest bronze small backflow valve on the market allowing for installation versatility
- All-bronze body ensures durability against the elements, with a Noryl®* check body and stainless-steel fasteners to resist corrosion over time.
- EZSWAP® modular check with top access speeds up repairs and replacements
- Test ports located on valve’s centerline make install and testing easy
- Interlocking connected checks provide 1/4 turn to access and disassemble.
- Low-cost repair kits extend the lifespan at a significantly lower cost
Standards Compliance
• ASSE Listed 1013
• cUPC Listed
• CSA Certified B64.4
• UL Classified (less shut-off valves)
• C-UL Classified
• AWWA Compliant C511
• Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
• Meets the requirements of NSF/ANSI/CAN 61 and 372* *(Less than 0.25% Weighted Average Lead Content)
Materials
Main valve body Low Lead Cast Bronze ASTM B 584
Access covers Low Lead Cast Bronze ASTM B 584
Fasteners Stainless Steel, 300 Series
Elastomers Silicone (FDA Approved) Buna Nitrile (FDA Approved)
Polymers Noryl™
Springs Stainless Steel, 300 Series
Ball valve handles Stainless Steel
Minimum working water pressure 25 PSI
Maximum working water pressure 175 PSI
Minimum working water temperature 33°F
Maximum working water temperature 180°F
Hydrostatic test pressure 350 PSI
Threaded end connections (FNPT) ANSI B1.20.1
SpecDimension
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