Zurn Wilkins 4-375DA Model 375DA 4 in. Ductile Iron Flanged 350 psi Backflow Preventer

Product Description

The Zurn Wilkins Model 375DA with MPN 4-375DA serves as a reliable backflow preventer, specifically designed to safeguard against backsiphonage and backpressure of contaminated water, especially in high hazard fire protection applications. Its metered bypass effectively detects leaks and unauthorized water use.

• Accessible relief valve and checks for easy in-line maintenance
• Detection of leaks reduces costs over time
• Protection against contaminated water

Product Highlights

This backflow preventer is built from an epoxy-coated ductile iron body and stainless steel internals, providing durable resistance to corrosion while ensuring compliance with various standards.

Product Information

Standard Information

• Brand: Zurn Wilkins
• Model: 4-375DA

Technical Specifications

• Size: 4 inches
• Type: Reduced Pressure Principle Backflow Preventer
• Length: 40.8 inches
• Width: 21.5 inches
• Height: 32.5 inches
• Weight: 360 lbs
• Material: Ductile Iron
• Connection Size: 4 x 4
• Connection Type: Flanged x Flanged
• Maximum Working Water Pressure: 175 psi
• Maximum Working Water Temperature: 140 deg F
• Mounting Type: Vertical, Horizontal
• Valve Style: In-line
• ASSE Standard: ASSE 1047