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Zurn Industries Backflow Prevention Preventers
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Zurn Industries 6'' 350Ast Double Check Backflow Preventer With OsAndY Gate Valves

SKU: 6-350ASTOSY

$12,515.00

List Price / Each

Prices and information shown are subject to verification by our showroom personnel. In the event of a discrepancy, we reserve the right to make any corrections necessary. Freight charges may be applicable to certain products - if so, freight charges will be quoted separately.

  • Finish Polished Stainless Steel

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Product Details

Zurn Industries 6-350ASTOSY

The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body and lightweight design. It provides low hazard protection and corrosion resistance. Multiple shut-off and end connections are available for installation versatility.


The 6'''' 350ASTOSY Double Check Backflow Assembly, with flanged end OS&Y gate valves, protects against backsiphonage and backpressure in low health hazard applications. The use of our Patented Compound Check guarantees reliable performance and improved flow characteristics, making installation ideal for lower-pressure systems. Its 304L grade stainless steel valve body and access covers are corrosion-resistant for lower lifetime maintenance costs. Its lightweight design and short lay-length also ensures easy, compact installation.


  • Weight 406 lbs.
  • Made In USA
  • Made in USA yes
  • Low Lead Compliant yes
  • Material Ductile Iron,Stainless Steel
  • Unit Of Measure Each
  • Prop65 Warning Cancer and reproductive harm - WWW.P65WARNINGS.CA.GOV
  • Minimum Order Quantity 1
  • Shipping L:39"x W:48"x H:26"

Additional information

  • ASSE® Listed 1015
  • AWWA Compliant C510 (with gates only), and C550
  • UL® Classified
  • C-UL® Classified
  • FM® Approved
  • CSA® Certified
  • Stainless steel body and access covers offer corrosion-resistance
  • Lightweight design and short lay-length ensures easy, compact installation
  • Ideal for any Backflow Preventer replacement
  • Model 350ASTR available for custom length, drop-in replacements

About This Brand

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