Deringer Model 40 D406BFG Grooved Butterfly Shutoff Valve for RPZ Assemblies

The Deringer Fire Protection Butterfly Valve Model 40 D406BFG is an essential integral component of the Deringer Model 40 Reduced Pressure Zone (RPZ) Backflow Preventer, specifically engineered to provide reliable flow control and critical potable water protection within fire sprinkler and standpipe systems. This robust valve ensures both efficient system isolation and compliance with stringent public health and fire safety regulations.

• Integral Design for Backflow Prevention: This butterfly valve is uniquely integrated into the Deringer Model 40 RPZ assembly, serving as a vital shutoff component that contributes to preventing backpressure and backsiphonage of hazardous contaminants into the potable water supply.
• UL Listed & FM Approved Assembly: As part of the Deringer Model 40 RPZ, this valve contributes to the overall assembly's UL Listing and FM Approval, meeting strict industry standards for both fire protection and backflow prevention systems.
• Grooved End Connections: Featuring industry-standard grooved ends, this valve allows for fast, tool-free, and secure installation, facilitating quicker project completion and simpler future maintenance.
• Durable Construction: Built with a resilient EPDM/304SS disc and housed within the Deringer Model 40's 304 stainless steel body, it ensures long-term performance, corrosion resistance, and reliable sealing in demanding fire protection environments.
• Prewired Supervisory Switches: Equipped with factory-installed, prewired tamper switches, the valve allows for remote monitoring of its open or closed status, providing enhanced security and compliance with NFPA standards.
• Space-Saving Short Lay Length: The integral butterfly shutoff design within the Deringer 40 assembly contributes to a shorter overall lay length, optimizing space in crowded mechanical rooms.
• High-Performance Pressure Rating: Engineered to withstand a maximum working pressure of 175 PSI, ensuring dependable operation in demanding fire protection and potable water applications.

This Deringer butterfly shutoff valve solves critical challenges by delivering reliable, dual-purpose protection. It enables fire system contractors and facility managers to confidently control water flow within fire suppression systems while simultaneously safeguarding the public water supply from potential contamination. The grooved connections significantly reduce installation time and labor costs, making commissioning and routine maintenance more efficient. With its UL/FM certifications and supervisory monitoring capabilities, this valve ensures your fire protection system meets stringent code requirements and provides peace of mind through enhanced safety and operational integrity.