Zurn 8-450DA Model 450DA 8 in. Ductile Iron Flanged 350 psi Backflow Preventer

Product Description

The Zurn 8-450DA Model 450DA is a backflow preventer designed for use in fire protection applications. This device stops backsiphonage and backpressure to maintain water quality. The compact n-pattern design allows for easy installation in tight spaces, making it suitable for both new setups and retrofitting existing systems.

• Compact size suitable for retrofit applications
• Efficiently detects leaks and unauthorized water use
• Made from epoxy-coated ductile iron to resist corrosion

Product Highlights

The Zurn 8-450DA Model 450DA is engineered to protect water systems in low-demand scenarios. It features a patented compound check for improved flow characteristics.

Product Information

Standard Information

• Brand: Zurn Wilkins
• Part Number: W450DALFX

Technical Specifications

• Size: 8 inches
• Type: Double Check Detector Backflow Preventer
• Weight: 972 lbs
• Material: Ductile Iron
• Application: Fire Protection
• Finish Color: Stainless Steel
• Valve Style: Vertical Up Vertical Down (Backflow)
• Maximum Working Water Pressure: 175 psi
• Maximum Working Water Temperature: 140 degrees F
• Connection Size: 8 x 8 inches
• Connection Type: Flanged x Flanged
• ASSE Standard: ASSE 1048