6 LF880V-DNRS-FS
Item Number: F683143Brand - Febco
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- Size: 6 inch
- Weight: 690.0 lb
- Body Material: Lead Free Ductile Iron
- Coating: Patented 3-part ArmorTek® Epoxy
- Shutoff Valves: Domestic Non-Rising Stem (NRS)
- Flood Sensor: SentryPlus Alert® Technology
- Check Components: Stainless Steel
- Relief Valve: Field Reversible
- Pattern: Configurable N-Pattern
Description
Description
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This 6 inch Lead Free Reduced Pressure Zone Backflow Preventer Assembly is designed for installation in water services to industrial installations and applications, where protection against high hazard (toxic) fluids is required. The assembly features domestic non-rising stem shutoff valves for connection to the piping system. Its integrated SentryPlus Alert® flood sensor can be connected via an add-on sensor connection kit to a Sensor Control Monitor. This monitor facilitates integration with Building Automation Systems (BAS) using RS-485 Modbus or can connect to the Nexa® platform through Wi-Fi for remote alerts and monitoring.

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Additional Details
This 6 inch Lead Free MasterSeries® Reduced Pressure Zone Backflow Preventer Assembly is designed to protect against high hazard (toxic) fluids in water services for industrial installations and applications.
Equipped with domestic non-rising stem shutoff valves, this assembly ensures water system integrity. Its advanced design includes a flood sensor with SentryPlus Alert® technology to detect continuous relief valve discharge, enhancing system monitoring.
Construction & Durability
- Features a robust ductile iron body construction.
- The body is fused with a patented 3-part ArmorTek® epoxy coating system, engineered to resist both microbial induced (MIC) and exposed metal substrate corrosion.
- Utilizes a stainless-steel relief valve seat and stainless-steel check components for maximum performance, greater dependability, and extended valve life.
- Includes stainless steel springs for reliable operation.
Features & Connectivity
- Lead free construction ensures compliance with health standards.
- Configurable N-Pattern design allows for flexible installation.
- The relief valve is field reversible for ease of maintenance.
- An add-on sensor connection kit allows for extended flood monitoring.
- Integrates with a Sensor Control Monitor to deliver maintenance alerts to Building Automation Systems (BAS) via RS-485 Modbus or the Nexa® platform by Wi-Fi connectivity.
Specifications
- Product Type: Reduced Pressure Zone Backflow Preventer Assembly
- Nominal Pipe Size: 6 inch
- Body Material: Lead Free Ductile Iron
- Shutoff Type: Domestic Non-Rising Stem (NRS)
- Coating: Patented 3-part ArmorTek® Epoxy Coating
- Relief Valve Seat Material: Stainless Steel
- Check Components Material: Stainless Steel
- Spring Material: Stainless Steel
- Pattern: N-Pattern (Configurable)
- Relief Valve: Field Reversible
- Flood Sensor: SentryPlus Alert® Technology
- Connectivity: RS-485 Modbus, Wi-Fi (via Sensor Control Monitor and Nexa® platform)