8 LF876W-DOSY-GPM

Item Number: 88007340
1 1
$38,261.25
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Size: 8 Inch
  • Weight: 1123.0 lb
  • Body Material: Ductile Iron Grade 65-45-12
  • Coating: ArmorTek Powder Coating for corrosion resistance
  • Maximum Working Pressure: 175 PSI
  • Lead Content: Less than 0.25% lead by weight
  • Bypass: GPM Metered Type II
  • Shutoff Valves: Domestic OSY Resilient Seated Gate Valves
  • Approvals: ASSE 1048, UL Classified, FM Approved, IAPMO/CUPC, AWWA C510, CSA B64.5

Description

The FEBCO MasterSeries LF876W is an 8 inch lead-free double check detector backflow preventer assembly, designed to prevent backpressure and backsiphonage of polluted water into potable water systems. Ideal for fire protection systems, it detects system leaks or unauthorized water usage through its GPM metered bypass. This assembly features a durable ductile iron body with ArmorTek coating for superior corrosion resistance. It offers a competitor N-pattern drop-in replacement lay length and includes domestic OSY shutoff valves. Approved for both horizontal and vertical-up installations, it has a maximum working pressure of 175 PSI. Item number 88007340.

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Connections

  • This 8 inch backflow preventer assembly is equipped with flanged end connections that are compliant to ASME B16.1 Class 125 and AWWA Class D Flange standards.
  • Designed for N-Pattern (horizontal) installation, it offers a competitor drop-in replacement lay length for easy integration into existing systems.
  • The auxiliary bypass line includes a 5/8"x3/4" water meter for monitoring.
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Additional Details

This 8 inch lead free FEBCO MasterSeries LF876W Double Check Detector Backflow Preventer Assembly is designed to prevent the reverse flow of polluted water into the potable water supply due to backsiphonage and/or backpressure conditions.

This assembly is primarily used on fire protection systems to detect system leakage or unauthorized water use, and features a competitor N-pattern drop-in replacement lay length.

Construction & Design

  • Features an epoxy coated ductile iron body with ArmorTek coating technology for advanced corrosion resistance against microbial-induced (MIC) and electrochemical corrosion.
  • Consists of two in-line independent check valves with replaceable stainless steel seats and silicone disc rubbers.
  • Includes a gallons per minute (GPM) metered bypass to detect potential underground water leaks or unauthorized water usage.
  • Equipped with Outside Stem and Yoke (OSY) resilient seated domestic gate valves.
  • Designed for in-line serviceable assembly with no special tools required for check module servicing.
  • Approved for horizontal and/or vertical-up installations.

NOTICE: 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. Inquire with governing authorities for local installation requirements.

Specifications

  • Size: 8 Inch
  • Product Type: Double Check Detector Backflow Preventer Assembly
  • Model: MasterSeries LF876W
  • Orientation: N-Pattern (Horizontal)
  • Main Valve Body Material: Ductile Iron Grade 65-45-12
  • Coating: ArmorTek Powder Coating (3-part advanced epoxy system)
  • Shutoff Valves: OSY Resilient Wedge Gate Valve (AWWA C515 Compliant)
  • Check Seats: Stainless Steel, Field Replaceable
  • Disc Holder: Stainless Steel
  • Elastomer Disc: Silicone
  • Spring Material: Stainless Steel
  • Clamp: AWWA C606
  • Maximum Working Pressure: 175 PSI (12.1 bar)
  • Minimum Working Pressure: 10 PSI (0.7 bar)
  • Hydrostatic Test Pressure: 350 PSI (24.1 bar)
  • Hydrostatic Safety Pressure: 700 PSI (48.3 bar)
  • Temperature Range: 33°F - 140°F (0.5°C ~ 60°C) continuous
  • Lead Content: Wetted surface contains less than 0.25% lead by weight

Bypass Specifications

  • Bypass Type: Type II
  • Bypass Meter: 5/8"x3/4" Water Meter (Gallons Per Minute, ANSI/AWWA C700 Compliant)
  • Bypass Check Assembly: In-line serviceable 3/4" check assembly with field replaceable seat and disc

Certificates & Approvals

  • Approved by Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • ASSE 1048 Listed
  • UL Classified (U.S. & Canada)
  • FM Approved
  • IAPMO/CUPC
  • AWWA Standard C510 Compliant
  • AWWA Standard C700 Compliant (for Water Meter)
  • ASME B16.1 Class 125 & AWWA Class D Flange (End Connections)
  • CSA B64.5

FAQs

What is the primary purpose of this backflow preventer?

This 8 inch FEBCO MasterSeries LF876W Double Check Detector Backflow Preventer Assembly is designed to prevent the reverse flow of polluted water into potable water supplies due to backsiphonage or backpressure, primarily for fire protection systems.

What type of bypass does this assembly include?

This assembly includes a Type II bypass with a 5/8"x3/4" Gallons Per Minute (GPM) water meter, compliant with ANSI/AWWA Standard C700. It helps detect system leakage or unauthorized water usage.

What is the maximum operating pressure for this device?

The maximum working pressure for the FEBCO MasterSeries LF876W Double Check Detector Backflow Preventer Assembly is 175 PSI (12.1 bar).

Is this product suitable for use with potable water?

Yes, this product is designated as lead-free, with the wetted surface containing less than 0.25% lead by weight, making it suitable for potable drinking water systems and fire sprinkler systems where protection from non-potable water is required.

What kind of corrosion protection does the body have?

The ductile iron body is coated with ArmorTek powder coating, a patented three-part advanced epoxy system engineered to reduce microbial-induced corrosion (MIC) and protect against electrochemical corrosion.

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