Zurn Wilkins 4-350DA 4" Double Check Valve Water Backflow Preventer Assembly

Description

The Zurn Wilkins reduced pressure principle assembly with backflow preventer and OS&Y gate valves, is utilized where a potential high health hazard exists and is ideal for use in industrial irrigation and large-scale municipal waterworks applications when lead-free valves are required protecting against both back siphonage and backpressure of contaminated water into the potable water supply. The 375 double check detector assembly includes an epoxy-coated inside and out ductile iron valve body eliminating exposure to corrosion, utilizes the Zurn Wilkins low head loss compound check and offers the lowest lifecycle costs on the market compared to other backflow preventers. Zurn Wilkins water control & backflow products are designed to be easily installed, easy to maintain and to last for the life of the system, saving time and money in both commercial and residential environments when your existing equipment is replaced with a a high quality Zurn backflow preventer.

Zurn Backflow Preventer Features

• Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion

• Zurn backflow preventer utilizes low head loss compound check for reliable and superior performance

• OS&Y (Outside Stem and Yoke) shut-off valves

• Low-lead law compliant ensures a low health hazard

• AWWA Compliant C511, and C550

Backflow Preventers Compliance & Approvals:

Zurn backflow preventers are rigorously tested and comply with major industry standards and certifications, which is crucial for their acceptance by local plumbing codes and water authorities. These include:

• ASSE® (American Society of Sanitary Engineering) Listed: ASSE 1013.

• AWWA (American Water Works Association) Compliant: AWWA C511, C550.

• CSA® (Canadian Standards Association) Certified. B64.4 (2 1/2" thru 8")

• IAPMO® (International Association of Plumbing and Mechanical Officials) Listed.

• UL® (Underwriters Laboratories) Classified.

• FM® (Factory Mutual) Approved (especially for fire protection models).

• Approved by USC's Foundation for Cross Connection Control and Hydraulic Research (FCCCHR).

Product Specifications