This 6 inch Ames Deringer™ 40X Low Head Loss Reduced Pressure Zone Backflow Preventer assembly is engineered to safeguard potable water systems by preventing hazardous contaminants and non-health hazard pollutants from entering due to backpressure or backsiphonage.

Features

• Oversized checks for extreme performance and lower head loss
• Integral shutoff valves designed for indoor or outdoor application, offering a short lay length
• 100% stainless steel housing for durability
• Tamper-resistant test cocks for added security
• Stainless steel braided wire sensing line
• Balanced chamber relief valve requiring no sliding seals
• Patented Dual-action™ check modules: Poppet action at low flow and Swing action at high flow
• Prewired supervisory switches for monitoring
• Poppet action first check for more reliable relief valve closure
• Includes a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve
• Flanged adapters available for connection versatility
• IPS grooved ends for easy installation

Operational Details

• Employs two independent check modules and two integral resiliently seated shutoff valves, all contained within a single rigid 304 stainless steel valve housing.
• Integral Eccentric-Seal™ butterfly shutoff valves include prewired supervisory tamper switches within a weatherproof actuator housing.
• The relief valve operates using only static seals, ensuring zero dynamic/sliding seals.
• Designed for continuous pressure service and protection against both backpressure and backsiphonage.
• The assembly is fully serviceable without special tools.

The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product.