Zurn Wilkins 4-350ASTOSY Model 350AST 4 in. Ductile Iron Flanged 350 psi Backflow Preventer

Product Description

The Zurn Wilkins 4-350ASTOSY is a backflow preventer designed to protect against backsiphonage and backpressure in low health hazard applications. It features flanged end OS&Y gate valves for secure connections. The patented compound check ensures reliable performance for lower-pressure systems.

• Lightweight design for easy installation
• Corrosion-resistant stainless steel construction
• Model available for custom replacements

Product Highlights

This backflow preventer is suitable for various waterworks applications. It features a compact installation design, reducing maintenance costs due to its durable materials.

Product Information

Standard Information

• Brand: Zurn Wilkins
• Part Number: W350ASTOSYP

Technical Specifications

• Size: 4 inches
• Type: Double Check Backflow Preventer
• Weight: 204 lbs
• Width: 12.5 inches
• Height: 23.25 inches
• Length: 25.63 inches
• Material: Ductile Iron, Stainless Steel
• Application: Waterworks
• Connection Size: 4 x 4 inches
• Connection Type: Flanged x Flanged
• Maximum Working Water Pressure: 175 psi
• Maximum Working Water Temperature: 140 deg F
• Mounting Type: Vertical, Horizontal