Zurn 4-375OSY 375 4 in. Ductile Iron Flanged 350 psi Backflow Preventer

Product Description

The Zurn 4-375OSY is a reduced pressure principle backflow preventer, designed for applications where high health risks are present. It is suitable for use with lead-free valves to prevent backsiphonage and backpressure of contaminated water. This model features a ductile iron valve body with complete epoxy coating, protecting it from corrosion.

• Low headloss compound check for reliable performance
• Lead-free design adhering to regulations
• Robust epoxy coating inside and outside

Product Highlights

This backflow preventer ensures safe water supply by preventing the backflow of contaminated water. AWWA compliant and built for durability, it is ideal for waterworks applications.

Product Information

Standard Information

• Brand: Zurn Wilkins
• MPN: 4-375OSY

Technical Specifications

• Type: Reduced Pressure Principle Backflow Preventer
• Size: 4 inches
• Material: Ductile Iron
• Weight: 328 lbs
• Dimensions: 40.8 x 21.5 x 32.5 inches
• Connection Size: 4 x 4 inches
• Mounting Type: Vertical, Horizontal
• Max Working Pressure: 175 psi
• Max Working Temperature: 140 deg F
• Application: Waterworks