6 LF880V-NRS-FS
Item Number: F122954Brand - Febco
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- Size: 6 Inch
- Weight: 700.0 lb
- Body Material: Lead Free Ductile Iron
- Shutoffs: Non-Rising Stem (NRS)
- Corrosion Resistance: ArmorTek® Patented 3-Part Epoxy Coating
- Internal Components: Stainless Steel Relief Valve Seat & Check Components
- Flood Detection: SentryPlus Alert® Technology with Integrated Sensor
- Smart Monitoring: Compatible with BAS via Modbus or Nexa® via Wi-Fi
- Pattern: Configurable N-Pattern
Description
Description
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This 6 inch FEBCO LF880V-NRS-FS Reduced Pressure Zone Backflow Preventer Assembly is designed for water services in industrial installations and applications to protect against high hazard (toxic) fluids. It features non-rising stem (NRS) shutoff valves for reliable isolation.
The integrated flood sensor with SentryPlus Alert® technology can be enhanced with an optional add-on sensor connection kit. These kits allow for extended flood monitoring and integration into various building management systems:
- BMS (Building Management Systems)
- Cellular Communication Modules
- Sensor Control Monitor: Enables integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi connectivity.

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Additional Details
This 6 inch lead free MasterSeries® reduced pressure zone backflow preventer assembly is designed to protect water services from high hazard (toxic) fluids in industrial installations and applications.
The assembly features a durable ductile iron body with an advanced ArmorTek® epoxy coating for superior corrosion resistance and includes non-rising stem (NRS) shutoff valves.
Key Features
- Lead Free Construction: Ensures compliance and safety for potable water systems.
- Ductile Iron Body: Provides robust construction and long-lasting durability.
- ArmorTek® Coating: Patented 3-part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion.
- Stainless Steel Components: Features a stainless-steel relief valve seat and stainless-steel check components for maximum performance, dependability, and extended valve life.
- N-Pattern Design: Configurable design for flexible installation.
- Integrated Flood Sensor: Contains a flood sensor with SentryPlus Alert® technology to detect continuous discharge from the relief valve.
- Sensor Compatibility: Compatible with an add-on sensor connection kit to extend flood monitoring and relay alerts for potential flooding events.
- Advanced Monitoring: Integrates with a Sensor Control Monitor for maintenance alerts to Building Automation Systems (BAS) via RS-485 Modbus or the Nexa® platform by Wi-Fi connectivity.
- Complete Assembly: Consists of a lead free body, test cocks, spring loaded check valves, and a pressure differential relief valve.
Specifications
General
- Product Type: Reduced Pressure Zone Backflow Preventer
- Model: LF880V-NRS-FS
- Size: 6 Inch
- Shutoff Valves: Non-Rising Stem (NRS)
- Pattern: N-Pattern (Configurable)
- Application: Non-Health Hazard
Materials
- Body Material: Ductile Iron
- Body Coating: ArmorTek® Patented 3-Part Advanced Epoxy Coating
- Relief Valve Seat: Stainless Steel
- Check Components: Stainless Steel
Performance
- Relief Valve Discharge Rate (6 inch): 450 GPM (Typical Flow Rate)
Smart Features
- Flood Detection: SentryPlus Alert® Technology with Flood Sensor
- Connectivity: Compatible with Add-On Sensor Connection Kits (BMS, Cellular, Sensor Control Monitor for RS-485 Modbus or Wi-Fi to Nexa® platform)